#geochemistry — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #geochemistry, aggregated by home.social.
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Recent geological research reveals that Earth's temperatures over the past 540 million years were significantly cooler than previously estimated, demonstrating that our planet's climate has been tightly regulated by natural stabilization processes over time.
#Paleoclimatology #Geochemistry #EarthScience #sflorg
https://www.sflorg.com/2026/07/es07102601.html -
Recent geological research reveals that Earth's temperatures over the past 540 million years were significantly cooler than previously estimated, demonstrating that our planet's climate has been tightly regulated by natural stabilization processes over time.
#Paleoclimatology #Geochemistry #EarthScience #sflorg
https://www.sflorg.com/2026/07/es07102601.html -
Deploying a fleet of high-altitude aircraft to artificially dim the sun is not a triumph of human ingenuity; it is a tragic, desperate monument to our collective failure to live within the absolute thermodynamic limits of our world. Yet, if faced with the imminent collapse of the ecosystems that sustain billions of lives, it may quickly become the most desperate, necessary responsibility we ever undertake.
#WhatIs #Climatology #MarineBiology #Geochemistry #sflorg
https://www.sflorg.com/2026/07/wi07092601.html -
Deploying a fleet of high-altitude aircraft to artificially dim the sun is not a triumph of human ingenuity; it is a tragic, desperate monument to our collective failure to live within the absolute thermodynamic limits of our world. Yet, if faced with the imminent collapse of the ecosystems that sustain billions of lives, it may quickly become the most desperate, necessary responsibility we ever undertake.
#WhatIs #Climatology #MarineBiology #Geochemistry #sflorg
https://www.sflorg.com/2026/07/wi07092601.html -
🌎 Why 1960s Geoscience Classics Still Matter in Data Science
Data without domain expertise is noise. It’s easy to get caught up in R or ML, but foundational science drives true insight.
I'm revisiting N.M. Strakhov's masterpiece "Principles of Lithogenesis" (1960-62, translated 1967). Springer’s 2014 digital reprint (Google Books) proves its value. Over 60 years later, his systematic approach to sedimentary environments and geochemistry remains highly relevant.
❓ Why this matters for spatial analytics:
🔹 Ground-Truthing: You can't model watershed contamination, mine waters, or deposits via desktop sowtware alone if you ignore baseline lithological and geochemical laws.
🔹 Feature Engineering: The best domain features come from understanding physical processes—like how basins and geochemical barriers function.❗ Tools change, but physical laws are timeless. Understanding both turns raw data into actionable insights.
#Geology #Geochemistry #DataScience #SpatialAnalysis #Springer #GoogleBooks #Lithogenesis
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🌎 Why 1960s Geoscience Classics Still Matter in Data Science
Data without domain expertise is noise. It’s easy to get caught up in R or ML, but foundational science drives true insight.
I'm revisiting N.M. Strakhov's masterpiece "Principles of Lithogenesis" (1960-62, translated 1967). Springer’s 2014 digital reprint (Google Books) proves its value. Over 60 years later, his systematic approach to sedimentary environments and geochemistry remains highly relevant.
❓ Why this matters for spatial analytics:
🔹 Ground-Truthing: You can't model watershed contamination, mine waters, or deposits via desktop sowtware alone if you ignore baseline lithological and geochemical laws.
🔹 Feature Engineering: The best domain features come from understanding physical processes—like how basins and geochemical barriers function.❗ Tools change, but physical laws are timeless. Understanding both turns raw data into actionable insights.
#Geology #Geochemistry #DataScience #SpatialAnalysis #Springer #GoogleBooks #Lithogenesis
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More than 3.1 billion years ago, before modern plate tectonics existed, surface water was transported deep into Earth’s interior to generate magma and drive volcanic activity.
#Geochemistry #Geology #Volcanology #EarthScience #PlanetaryScience #sflorg
https://www.sflorg.com/2026/07/es07082601.html -
More than 3.1 billion years ago, before modern plate tectonics existed, surface water was transported deep into Earth’s interior to generate magma and drive volcanic activity.
#Geochemistry #Geology #Volcanology #EarthScience #PlanetaryScience #sflorg
https://www.sflorg.com/2026/07/es07082601.html -
#WeekendReading: Remírez et al., about a boron-based salinity proxy for normal marine conditions! I'm going for cautiously optimistic.
Link: https://www.sciencedirect.com/science/article/pii/S0009254126003505
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#WeekendReading: Remírez et al., about a boron-based salinity proxy for normal marine conditions! I'm going for cautiously optimistic.
Link: https://www.sciencedirect.com/science/article/pii/S0009254126003505
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Du nouveau chez Minetosh online (https://www.minetoshsoft.com):
La cinquième et dernière partie d'« AmphiCalc-1 » pour le calcul et la classification des amphiboles est désormais en ligne : « Amp15RX » pour le calcul des compositions d'amphiboles sur la base de 15 cations sans sodium et potassium ; avec le calcium seulement en position B. Ce calcul est particulièrement adapté aux amphiboles Fe-Mg.
AmphiCalc-1 calcule automatiquement à partir d'analyses par microsonde les oxydes, les cations, la composition chimique, la répartition Fe²⁺ et Fe³⁺, ainsi que d'autres paramètres des amphiboles. Les résultats peuvent être téléchargés sous forme de fichier csv. Les diagrammes suivants pour la classification des amphiboles sont créés automatiquement et peuvent être téléchargés sous forme de fichiers svg : diagramme de Leake, diagramme ACF, diagramme AFM.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches #français
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Du nouveau chez Minetosh online (https://www.minetoshsoft.com):
La cinquième et dernière partie d'« AmphiCalc-1 » pour le calcul et la classification des amphiboles est désormais en ligne : « Amp15RX » pour le calcul des compositions d'amphiboles sur la base de 15 cations sans sodium et potassium ; avec le calcium seulement en position B. Ce calcul est particulièrement adapté aux amphiboles Fe-Mg.
AmphiCalc-1 calcule automatiquement à partir d'analyses par microsonde les oxydes, les cations, la composition chimique, la répartition Fe²⁺ et Fe³⁺, ainsi que d'autres paramètres des amphiboles. Les résultats peuvent être téléchargés sous forme de fichier csv. Les diagrammes suivants pour la classification des amphiboles sont créés automatiquement et peuvent être téléchargés sous forme de fichiers svg : diagramme de Leake, diagramme ACF, diagramme AFM.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches #français
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News from Minetosh online (https://www.minetoshsoft.com):
The fifth and last part of “AmphiCalc-1” for calculating and classifying amphiboles is now online: “Amp15RX” for calculating amphibole compositions based on 15 cations without sodium and potassium; calcium only on position B. This calculation is particularly suitable for Fe-Mg-amphiboles.
AmphiCalc-1 automatically calculates the oxides, cations, formula occupancy, Fe²⁺ and Fe³⁺ distribution, and other parameters of amphiboles from microprobe analyses. The results can be downloaded as a csv file. The following diagrams for classifying amphiboles are generated automatically and can be downloaded as svg files: Leake diagram, ACF diagram, AFM diagram.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches #english
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News from Minetosh online (https://www.minetoshsoft.com):
The fifth and last part of “AmphiCalc-1” for calculating and classifying amphiboles is now online: “Amp15RX” for calculating amphibole compositions based on 15 cations without sodium and potassium; calcium only on position B. This calculation is particularly suitable for Fe-Mg-amphiboles.
AmphiCalc-1 automatically calculates the oxides, cations, formula occupancy, Fe²⁺ and Fe³⁺ distribution, and other parameters of amphiboles from microprobe analyses. The results can be downloaded as a csv file. The following diagrams for classifying amphiboles are generated automatically and can be downloaded as svg files: Leake diagram, ACF diagram, AFM diagram.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches #english
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Neues von Minetosh online (https://www.minetoshsoft.com):
Der fünfte und letzte Teil von "AmphiCalc-1" zur Berechnung und Klassifizierung von Amphibolen ist nun online: "Amp15RX" zur Berechnung von Amphibol-Zusammensetzungen auf der Grundlage von 15 Kationen ohne Natrium und Kalium; mit Ca nur auf Position B. Dieses Verfahren ist besonders für Fe-Mg-Amphibole geeignet.
AmphiCalc-1 berechnet aus Mikrosondenanalysen automatisch die Oxide, die Kationen, die Formelbesetzung, die Fe²⁺- und Fe³⁺-Verteilung, sowie weitere Parameter von Amphibolen. Die Ergebnisse lassen sich als csv-Datei herunterladen. Folgende Diagramme zur Klassifizierung der Amphibole werden automatisch erstellt und können als svg-Dateien heruntergeladen werden: Leake-Diagramm, ACF-Diagramm, AFM-Diagramm.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches
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Neues von Minetosh online (https://www.minetoshsoft.com):
Der fünfte und letzte Teil von "AmphiCalc-1" zur Berechnung und Klassifizierung von Amphibolen ist nun online: "Amp15RX" zur Berechnung von Amphibol-Zusammensetzungen auf der Grundlage von 15 Kationen ohne Natrium und Kalium; mit Ca nur auf Position B. Dieses Verfahren ist besonders für Fe-Mg-Amphibole geeignet.
AmphiCalc-1 berechnet aus Mikrosondenanalysen automatisch die Oxide, die Kationen, die Formelbesetzung, die Fe²⁺- und Fe³⁺-Verteilung, sowie weitere Parameter von Amphibolen. Die Ergebnisse lassen sich als csv-Datei herunterladen. Folgende Diagramme zur Klassifizierung der Amphibole werden automatisch erstellt und können als svg-Dateien heruntergeladen werden: Leake-Diagramm, ACF-Diagramm, AFM-Diagramm.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches
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Earth, Sweet Earth ( Science For Everyone) by Ekaterina Radkevich
The book is based on the author’s impressions of her numerous expeditions in the many countries. It is a fascinating narrative rather than a mere record of facts irrespective of how scientifically valid they can be. The book is bound to be appreciated as a piece of absorbing reading by anyone who cares to increase the scope of his or her competence about our sweet home of a planet that must be saved from destruction at all costs.
Ekaterina Radkevich, Corresponding Member of the USSR Academy of Sciences, is one of the most distinguished geologists whose works are well known in her own country and in many other parts of the world. The overwhelming success of her publications is chiefly due to her indefatigable practical activity in the USSR and elsewhere and her unflagging interest in theoretical research which she has been conducting for quite some time at the Institute of Geological Studies in the Far East (Viadivostok).
Note: This book was the last remaining volume in the Science for Everyone Series! This completes volume the SFE series in English.
Many, many thanks to Hassaan Ali who purchased and posted this book to us to complete this series. Much appreciated help!
You can get the book here and here
Follow us on
Twitter https://x.com/MirTitles
Mastadon https://mastodon.social/@mirtitles
Bluesky https://bsky.app/profile/mirtitles.bsky.social
Tumblr https://www.tumblr.com/mirtitles
Internet Archive https://archive.org/details/mir-titles
Fork us on gitlab https://gitlab.com/mirtitles
Contents
How I Became a Geologist (In Lieu of a Preface) 7Part I. The Earth in the Universe 20
Chapter 1. The Earth as a Cosmic Body 20
Chapter 2. The Planet Earth 29
Chapter 3. The Deep-seated Structure of the Earth 38
Chapter 4. The Development of Views on the Origin of Earth and Other Planets of the Solar System 47
Part II. The History of the Development of the Earth 58
Chapter 5. The Dawn 58
Chapter 6. Life: The Earth’s Chronicle 70
Part III. Geology Everywhere 100
Chapter 7. The Work of the Wind 102
Chapter 8. The Role of Water in the Transformation of Our Planet 113
Chapter 9. The Activity of Subterranean Forces 127
Part IV. The Composition of the Earth’s Crust 147
Chapter 10. Sedimentary Rocks 147
Chapter 11. Magmatic (Igneous) Rocks 159
Chapter 12. Metamorphic Rocks 185
Part V. The Movements of the Earth’s Crust 202
Chapter 13. Mountains: Old and Young 203
Chapter 14. The Deformation of Rocks 208
Chapter 15. Fixism vs. Mobilism 216
Part VI. Mineral Resources 236
Chapter 16. The Mineral Kingdom 236
Chapter 17. Mineral Raw Materials and Technical Progress 258
Chapter 18. The Future of Mineral Raw Resources 280
Chapter 19. How Ores Are Formed 286
Chapter 20. The Science of Metallogeny 308
Chapter 21. In Quest of Ores 328
Chapter 22. At the Metallogenic Map of the Pacific Belt 338
Chapter 23. Mineral Resources of the Seas and the Underwater Storerooms of Mineral Raw Materials 349
Chapter 24. Save Our Earth! 361
To End on a Poetic Note 367
#earthHistory #earthScience #geochemistry #geology #geophysics #historyOfEarth #mineralResources #mining #planetaryScience #plateTectonics #popularScience #rocks #sovietLiterature -
Earth, Sweet Earth ( Science For Everyone) by Ekaterina Radkevich
The book is based on the author’s impressions of her numerous expeditions in the many countries. It is a fascinating narrative rather than a mere record of facts irrespective of how scientifically valid they can be. The book is bound to be appreciated as a piece of absorbing reading by anyone who cares to increase the scope of his or her competence about our sweet home of a planet that must be saved from destruction at all costs.
Ekaterina Radkevich, Corresponding Member of the USSR Academy of Sciences, is one of the most distinguished geologists whose works are well known in her own country and in many other parts of the world. The overwhelming success of her publications is chiefly due to her indefatigable practical activity in the USSR and elsewhere and her unflagging interest in theoretical research which she has been conducting for quite some time at the Institute of Geological Studies in the Far East (Viadivostok).
Note: This book was the last remaining volume in the Science for Everyone Series! This completes volume the SFE series in English.
Many, many thanks to Hassaan Ali who purchased and posted this book to us to complete this series. Much appreciated help!
You can get the book here and here
Follow us on
Twitter https://x.com/MirTitles
Mastadon https://mastodon.social/@mirtitles
Bluesky https://bsky.app/profile/mirtitles.bsky.social
Tumblr https://www.tumblr.com/mirtitles
Internet Archive https://archive.org/details/mir-titles
Fork us on gitlab https://gitlab.com/mirtitles
Contents
How I Became a Geologist (In Lieu of a Preface) 7Part I. The Earth in the Universe 20
Chapter 1. The Earth as a Cosmic Body 20
Chapter 2. The Planet Earth 29
Chapter 3. The Deep-seated Structure of the Earth 38
Chapter 4. The Development of Views on the Origin of Earth and Other Planets of the Solar System 47
Part II. The History of the Development of the Earth 58
Chapter 5. The Dawn 58
Chapter 6. Life: The Earth’s Chronicle 70
Part III. Geology Everywhere 100
Chapter 7. The Work of the Wind 102
Chapter 8. The Role of Water in the Transformation of Our Planet 113
Chapter 9. The Activity of Subterranean Forces 127
Part IV. The Composition of the Earth’s Crust 147
Chapter 10. Sedimentary Rocks 147
Chapter 11. Magmatic (Igneous) Rocks 159
Chapter 12. Metamorphic Rocks 185
Part V. The Movements of the Earth’s Crust 202
Chapter 13. Mountains: Old and Young 203
Chapter 14. The Deformation of Rocks 208
Chapter 15. Fixism vs. Mobilism 216
Part VI. Mineral Resources 236
Chapter 16. The Mineral Kingdom 236
Chapter 17. Mineral Raw Materials and Technical Progress 258
Chapter 18. The Future of Mineral Raw Resources 280
Chapter 19. How Ores Are Formed 286
Chapter 20. The Science of Metallogeny 308
Chapter 21. In Quest of Ores 328
Chapter 22. At the Metallogenic Map of the Pacific Belt 338
Chapter 23. Mineral Resources of the Seas and the Underwater Storerooms of Mineral Raw Materials 349
Chapter 24. Save Our Earth! 361
To End on a Poetic Note 367
#earthHistory #earthScience #geochemistry #geology #geophysics #historyOfEarth #mineralResources #mining #planetaryScience #plateTectonics #popularScience #rocks #sovietLiterature -
Rock Weathering Can Counteract River CO2 Emissions Induced By Permafrost Thaw
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https://doi.org/10.1038/s41586-026-10664-8 <-- shared paper
--
H/T @aaron Bufe
“[The researchers] measured carbon emissions and water chemistry in 50 headwater rivers draining 780,000 km² of the Tibetan Plateau.
The rivers flow in landscapes underlain by continuous permafrost and landscapes in which the permafrost has retreated since the last glacial maximum. They collect[ed] organic carbon from soils and dissolved inorganic carbon that is fixed by rock-weathering.
Where the permafrost cover is continuous, rivers emit CO2 from degrading (permafrost) soil carbon. Weathering reactions in these catchments are relatively slow.
In landscapes with (almost) no permafrost, carbon fluxes from weathering are faster than CO2 emissions from rivers.
Thus, as permafrost landscapes transition to landscapes without permafrost cover, chemical weathering reactions may play an ever more important role in riverine carbon cycling.
Interestingly, weathering can affect the carbon cycle in different ways. Where sulfide minerals are present, weathering reactions can emit CO2. Where silicate minerals dominate, weathering draws down CO2 from the atmosphere…”
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“Climate-induced permafrost thaw unlocks large stores of organic carbon that are mineralized and emitted as carbon dioxide (CO2) from rivers to the atmosphere. Concurrently, warming and permafrost thaw can increase mineral weathering rates, thus affecting the release and sequestration of inorganic carbon. Yet how these biological and geological carbon cycles interact and jointly affect CO2 dynamics (emission compared with drawdown) in permafrost rivers remains unknown. Here [they] combine[d] CO2 emissions, organic and inorganic solute concentrations, dual carbon isotopes (δ13C–Δ14C) and geochemical modelling to infer how permafrost thaw may affect river biogeochemistry over decades to centuries across the Qinghai–Tibet Plateau. Leveraging a gradient of thermal permafrost degradation, we find that river CO2 emissions decline, whereas solute fluxes from rock weathering increase with decreasing permafrost cover. Across this region, net CO2 drawdown fluxes from rock weathering are about 35% of river CO2 emissions, varying from around 15% in catchments with continuous permafrost to more than 100% in catchments with discontinuous or isolated permafrost. Thus, carbon fluxes from chemical weathering may become increasingly important with ongoing permafrost thaw, potentially even outpacing river CO2 emissions. [Their] findings disentangle the interplay between biological and geological carbon fluxes that are important for the cryosphere and the global carbon cycle…”
#permafrost #melting #thaw #climatechange #warming #Tibet #TibetanPlateau #Qinghai #water #hydrology #carbonemissions #CO2 #emissions #waterchemistry #waterquality #cryosphere #sediment #sedimentation #weathering #rock #carbon #river #riverine #carboncyling #geochemistry #biology #geology #soil -
Rock Weathering Can Counteract River CO2 Emissions Induced By Permafrost Thaw
--
https://doi.org/10.1038/s41586-026-10664-8 <-- shared paper
--
H/T @aaron Bufe
“[The researchers] measured carbon emissions and water chemistry in 50 headwater rivers draining 780,000 km² of the Tibetan Plateau.
The rivers flow in landscapes underlain by continuous permafrost and landscapes in which the permafrost has retreated since the last glacial maximum. They collect[ed] organic carbon from soils and dissolved inorganic carbon that is fixed by rock-weathering.
Where the permafrost cover is continuous, rivers emit CO2 from degrading (permafrost) soil carbon. Weathering reactions in these catchments are relatively slow.
In landscapes with (almost) no permafrost, carbon fluxes from weathering are faster than CO2 emissions from rivers.
Thus, as permafrost landscapes transition to landscapes without permafrost cover, chemical weathering reactions may play an ever more important role in riverine carbon cycling.
Interestingly, weathering can affect the carbon cycle in different ways. Where sulfide minerals are present, weathering reactions can emit CO2. Where silicate minerals dominate, weathering draws down CO2 from the atmosphere…”
--
“Climate-induced permafrost thaw unlocks large stores of organic carbon that are mineralized and emitted as carbon dioxide (CO2) from rivers to the atmosphere. Concurrently, warming and permafrost thaw can increase mineral weathering rates, thus affecting the release and sequestration of inorganic carbon. Yet how these biological and geological carbon cycles interact and jointly affect CO2 dynamics (emission compared with drawdown) in permafrost rivers remains unknown. Here [they] combine[d] CO2 emissions, organic and inorganic solute concentrations, dual carbon isotopes (δ13C–Δ14C) and geochemical modelling to infer how permafrost thaw may affect river biogeochemistry over decades to centuries across the Qinghai–Tibet Plateau. Leveraging a gradient of thermal permafrost degradation, we find that river CO2 emissions decline, whereas solute fluxes from rock weathering increase with decreasing permafrost cover. Across this region, net CO2 drawdown fluxes from rock weathering are about 35% of river CO2 emissions, varying from around 15% in catchments with continuous permafrost to more than 100% in catchments with discontinuous or isolated permafrost. Thus, carbon fluxes from chemical weathering may become increasingly important with ongoing permafrost thaw, potentially even outpacing river CO2 emissions. [Their] findings disentangle the interplay between biological and geological carbon fluxes that are important for the cryosphere and the global carbon cycle…”
#permafrost #melting #thaw #climatechange #warming #Tibet #TibetanPlateau #Qinghai #water #hydrology #carbonemissions #CO2 #emissions #waterchemistry #waterquality #cryosphere #sediment #sedimentation #weathering #rock #carbon #river #riverine #carboncyling #geochemistry #biology #geology #soil -
A methodological audit of regional hydrogeochemical literature reveals a systemic gap. Legacy environmental assessments for the Kryvyi Rih Iron Ore Basin rely on frameworks designed for fresh water, which fail when applied to highly mineralized mine waters. Standard equilibrium algorithms are inadequate for environments with extreme ionic strength.
This limitation extends to mass transport: conventional modeling overlooks density-driven convection and gravitational settling of heavy brines, leading to inaccurate spatial migration models.
Overcoming this inertia requires a return to the fundamental laws of chemical thermodynamics and multiphase flow physics, aligning predictive models with actual environmental constraints.
👇 The link to download the updated monograph (v0.80, Open Access, in Ukrainian):
https://doi.org/10.5281/zenodo.20709306#KryvyiRihBasin #IronOre #MineWater #Hydrogeology #PHREEQC #SvystunovaGully #Geochemistry #Contamination #RStats #Groundwater #DataScience
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A methodological audit of regional hydrogeochemical literature reveals a systemic gap. Legacy environmental assessments for the Kryvyi Rih Iron Ore Basin rely on frameworks designed for fresh water, which fail when applied to highly mineralized mine waters. Standard equilibrium algorithms are inadequate for environments with extreme ionic strength.
This limitation extends to mass transport: conventional modeling overlooks density-driven convection and gravitational settling of heavy brines, leading to inaccurate spatial migration models.
Overcoming this inertia requires a return to the fundamental laws of chemical thermodynamics and multiphase flow physics, aligning predictive models with actual environmental constraints.
👇 The link to download the updated monograph (v0.80, Open Access, in Ukrainian):
https://doi.org/10.5281/zenodo.20709306#KryvyiRihBasin #IronOre #MineWater #Hydrogeology #PHREEQC #SvystunovaGully #Geochemistry #Contamination #RStats #Groundwater #DataScience
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As well as the oral presentations at #BOGS2026, there were a number of posters. Four of the seven presented are:
Removal of shrimp aquaculture antibiotics using a combined adsorption and electrochemical oxidation process
UK’37 is unaffected by IODP repository conditions
Predicting the evolution and fate of iron/organic carbon colloids (FeOCc) in natural waters
Chemical markers for tyre wear particles using pyrolysis-GC-MS -
As well as the oral presentations at #BOGS2026, there were a number of posters. Four of the seven presented are:
Removal of shrimp aquaculture antibiotics using a combined adsorption and electrochemical oxidation process
UK’37 is unaffected by IODP repository conditions
Predicting the evolution and fate of iron/organic carbon colloids (FeOCc) in natural waters
Chemical markers for tyre wear particles using pyrolysis-GC-MS -
On the second day of #BOGS2026, Session 4: Proxy Development II
Peatland climate feedbacks during warming intervals mediated by environmental change
Understanding microbe-mineral-organic interactions in Icelandic hot springs
The stable carbon and hydrogen isotopic compositions of microbial phospholipid fatty acids reveal contrasting carbon sources and metabolism across tropical peatlands and global environments -
On the second day of #BOGS2026, Session 4: Proxy Development II
Peatland climate feedbacks during warming intervals mediated by environmental change
Understanding microbe-mineral-organic interactions in Icelandic hot springs
The stable carbon and hydrogen isotopic compositions of microbial phospholipid fatty acids reveal contrasting carbon sources and metabolism across tropical peatlands and global environments -
#WeekendReading: Liu et al. on redox control on protodolomite formation in post-extinction (after the Great Dying) microbialites. I like how they finding suggest cyclic redox, which is something I suggested several times.
Link: https://www.sciencedirect.com/science/article/pii/S0016703726002784
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#WeekendReading: Liu et al. on redox control on protodolomite formation in post-extinction (after the Great Dying) microbialites. I like how they finding suggest cyclic redox, which is something I suggested several times.
Link: https://www.sciencedirect.com/science/article/pii/S0016703726002784
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A 113-million-year-old pterosaur wing from Brazil was exceptionally preserved through oxidative processes driven by ancient marine bacteria, sealing both its physical structure and chemical biomarkers in stone.
#Paleontology #Geochemistry #Microbiology #EarthScience #sflorg
https://www.sflorg.com/2026/06/pal06182601.html -
A 113-million-year-old pterosaur wing from Brazil was exceptionally preserved through oxidative processes driven by ancient marine bacteria, sealing both its physical structure and chemical biomarkers in stone.
#Paleontology #Geochemistry #Microbiology #EarthScience #sflorg
https://www.sflorg.com/2026/06/pal06182601.html -
🔥 Dear colleagues! I present to you the new version (0.80) of my monograph dedicated to the hydrogeochemical (thermodynamic) modeling of the contamination plume around the storage pond in the Svystunova Gully (in Ukrainian).
I have significantly expanded the theoretical and practical sections, adding a description of the hydrodynamic properties and behavior of highly mineralized plumes.The comprehensive concept of the gradual advancement of the contamination plume and the resulting technogenic karst is now revealed.
❗ In the section 1.2 I critically analyze the methodologies and conclusions of previous studies on the technogenic water bodies of the Kryvbas and the propagation processes of contamination plumes from these sites.
The link to the new version of the monograph:
https://doi.org/10.5281/zenodo.20709306#phreeqc #SvystunovaGully #geochemistry #minewater #contamination #RStats #groundwater #DataScience #IronOreMining #GIS #EnvironmentalDataScience
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🔥 Dear colleagues! I present to you the new version (0.80) of my monograph dedicated to the hydrogeochemical (thermodynamic) modeling of the contamination plume around the storage pond in the Svystunova Gully (in Ukrainian).
I have significantly expanded the theoretical and practical sections, adding a description of the hydrodynamic properties and behavior of highly mineralized plumes.The comprehensive concept of the gradual advancement of the contamination plume and the resulting technogenic karst is now revealed.
❗ In the section 1.2 I critically analyze the methodologies and conclusions of previous studies on the technogenic water bodies of the Kryvbas and the propagation processes of contamination plumes from these sites.
The link to the new version of the monograph:
https://doi.org/10.5281/zenodo.20709306#phreeqc #SvystunovaGully #geochemistry #minewater #contamination #RStats #groundwater #DataScience #IronOreMining #GIS #EnvironmentalDataScience
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Asteroid bombardment during the Earth's formative eons fractured the upper crust, generating extensive, high-permeability hydrothermal systems that established the geochemical environments necessary for the emergence of life.
#PlanetaryScience #Geophysics #Astrobiology #Geochemistry #sflorg
https://www.sflorg.com/2026/06/ps06092601.html -
🚨Job Alert‼️🚨
5 year PostDoc, Technical University Berlin. #Mineralogy, #petrology, #geochemistry
Responsible for laser/solution-ICP-MS laboratory; research and teaching.
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🚨Job Alert‼️🚨
5 year PostDoc, Technical University Berlin. #Mineralogy, #petrology, #geochemistry
Responsible for laser/solution-ICP-MS laboratory; research and teaching.
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CO₂ pressure and injection strategy strongly control solubility–mineral trapping in high-salinity reservoirs, while intermittent injection can boost trapping capacity by up to 3×! #openaccess at https://shortlink.uk/1qL5h
#CCUS #CO2Storage #CarbonStorage #CO2 #Geochemistry #energytransition -
CO₂ pressure and injection strategy strongly control solubility–mineral trapping in high-salinity reservoirs, while intermittent injection can boost trapping capacity by up to 3×! #openaccess at https://shortlink.uk/1qL5h
#CCUS #CO2Storage #CarbonStorage #CO2 #Geochemistry #energytransition -
Updating the graphical materials for the new edition of the monograph on the thermodynamic modeling of processes in technogenic waters. The figures present pe-pH stability (Pourbaix) diagrams for the vanadium and zinc systems, calculated using the PHREEQC core engine. Unlike simplified "water–element" systems, these models compute the thermodynamic equilibrium of the comprehensive solution matrix, accounting for actual macrocomponent concentrations, ionic strength, and ligand competition at every point of the computational space. Utilizing multicomponent calculations allows for the analysis of physicochemical processes in real water samples, rather than simply reproducing idealized "textbook diagrams".
#Geochemistry #PHREEQC #RStats #MineWater #EnvironmentalScience #DataScience #SvystunovaGully #RedModRphree #FOSS
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Updating the graphical materials for the new edition of the monograph on the thermodynamic modeling of processes in technogenic waters. The figures present pe-pH stability (Pourbaix) diagrams for the vanadium and zinc systems, calculated using the PHREEQC core engine. Unlike simplified "water–element" systems, these models compute the thermodynamic equilibrium of the comprehensive solution matrix, accounting for actual macrocomponent concentrations, ionic strength, and ligand competition at every point of the computational space. Utilizing multicomponent calculations allows for the analysis of physicochemical processes in real water samples, rather than simply reproducing idealized "textbook diagrams".
#Geochemistry #PHREEQC #RStats #MineWater #EnvironmentalScience #DataScience #SvystunovaGully #RedModRphree #FOSS
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Recent research reveals that ice is an active chemical environment that significantly accelerates the breakdown of iron minerals, releasing more iron into ecosystems than current environmental models predict.
#EnvironmentalChemistry #Geochemistry #ClimateScience #sflorg
https://www.sflorg.com/2026/05/env05262601.html -
Recent research reveals that ice is an active chemical environment that significantly accelerates the breakdown of iron minerals, releasing more iron into ecosystems than current environmental models predict.
#EnvironmentalChemistry #Geochemistry #ClimateScience #sflorg
https://www.sflorg.com/2026/05/env05262601.html -
Canada’s Billion-Year-Old Rocks Could Hold the Future of Clean Energy
Continuous long-term measurement underground at a mine in northern Ontario provided evidence of sustained accumulation and discharge of…
#NewsBeep #News #Environment #Energy #environment #Geochemistry #Hydrogen #Science #UK #UnitedKingdom #universityoftoronto
https://www.newsbeep.com/uk/597927/ -
Canada’s Billion-Year-Old Rocks Could Hold the Future of Clean Energy
Continuous long-term measurement underground at a mine in northern Ontario provided evidence of sustained accumulation and discharge of…
#NewsBeep #News #Environment #AU #Australia #Energy #Geochemistry #hydrogen #Science #universityoftoronto
https://www.newsbeep.com/au/687162/ -
The earliest known eukaryotic organisms were exclusively benthic, inhabiting shallow, oxygenated marine seafloors rather than drifting in the anoxic open oceans. Their evolution and geographic distribution were fundamentally constrained by the highly localized availability of oxygen.
#Paleontology #Geochemistry #EvolutionaryBiology #Sedimentology #sflorg
https://www.sflorg.com/2026/05/pal05202601.html -
The earliest known eukaryotic organisms were exclusively benthic, inhabiting shallow, oxygenated marine seafloors rather than drifting in the anoxic open oceans. Their evolution and geographic distribution were fundamentally constrained by the highly localized availability of oxygen.
#Paleontology #Geochemistry #EvolutionaryBiology #Sedimentology #sflorg
https://www.sflorg.com/2026/05/pal05202601.html -
Analysis of ancient remains reveals that the earliest livestock herders in eastern Africa did not immediately adopt a specialized pastoral diet but maintained highly diverse, individualized diets consisting of fish, wild game, and foraged plants alongside domesticated animals for over a millennium.
#Geochemistry #Anthropology #Archaeology #sflorg
https://www.sflorg.com/2026/05/anth05182601.html -
Analysis of ancient remains reveals that the earliest livestock herders in eastern Africa did not immediately adopt a specialized pastoral diet but maintained highly diverse, individualized diets consisting of fish, wild game, and foraged plants alongside domesticated animals for over a millennium.
#Geochemistry #Anthropology #Archaeology #sflorg
https://www.sflorg.com/2026/05/anth05182601.html -
New paper live from HybridMind42.
“The Limit-State Regime: Latency-Limited Persistence in the Thorium-232 → Lead-208 Decay Series”
This paper introduces the Resolution–Transport Ratio (R):
R = τ_transport / τ_resolution
The core result is simple:
Identical boundaries can behave as effectively open or closed depending on whether transport or stochastic resolution completes first.
Using the Thoron vs Radon-222 comparison, the paper proposes that effective permeability is governed not solely by material structure, but by competing timescales.
This establishes the “limit-state regime” of the Boundary-Filtered Persistence Framework (BFPF).
Persistence becomes a measurable competition between clocks.
#BoundaryDynamics #BFPF #Thorium232 #Radon222 #Geochemistry #SystemsScience #Persistence
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New paper live from HybridMind42.
“The Limit-State Regime: Latency-Limited Persistence in the Thorium-232 → Lead-208 Decay Series”
This paper introduces the Resolution–Transport Ratio (R):
R = τ_transport / τ_resolution
The core result is simple:
Identical boundaries can behave as effectively open or closed depending on whether transport or stochastic resolution completes first.
Using the Thoron vs Radon-222 comparison, the paper proposes that effective permeability is governed not solely by material structure, but by competing timescales.
This establishes the “limit-state regime” of the Boundary-Filtered Persistence Framework (BFPF).
Persistence becomes a measurable competition between clocks.
#BoundaryDynamics #BFPF #Thorium232 #Radon222 #Geochemistry #SystemsScience #Persistence
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🦈🔦 Researchers at the University of #Melbourne developed a method using laser-induced mass #spectrometry to analyze #elements within shark vertebrae.
The technique allows for more accurate age estimation and environmental tracking than traditional visual growth ring analysis.
👉 https://phys.org/news/2026-05-scientists-lasers-age-sharks.html
#sharks #marinebiology #science #lasers #technology #tech #geochemistry #ocean #research #conservation #ecology #data #discovery
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🦈🔦 Researchers at the University of #Melbourne developed a method using laser-induced mass #spectrometry to analyze #elements within shark vertebrae.
The technique allows for more accurate age estimation and environmental tracking than traditional visual growth ring analysis.
👉 https://phys.org/news/2026-05-scientists-lasers-age-sharks.html
#sharks #marinebiology #science #lasers #technology #tech #geochemistry #ocean #research #conservation #ecology #data #discovery
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Du nouveau chez Minetosh online (https://www.minetoshsoft.com):
La quatrième partie d'« AmphiCalc-1 » pour le calcul et la classification des amphiboles est désormais en ligne : « Amp15KC » pour le calcul des compositions d'amphiboles sur la base de 15 cations sans potassium et calcium aussi en position C. Ce calcul est particulièrement adapté aux amphiboles sodiques.
AmphiCalc-1 calcule automatiquement à partir d'analyses par microsonde les oxydes, les cations, la composition chimique, la répartition Fe²⁺ et Fe³⁺, ainsi que d'autres paramètres des amphiboles. Les résultats peuvent être téléchargés sous forme de fichier csv. Les diagrammes suivants pour la classification des amphiboles sont créés automatiquement et peuvent être téléchargés sous forme de fichiers svg : diagramme de Leake, diagramme ACF, diagramme AFM.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches #français
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Du nouveau chez Minetosh online (https://www.minetoshsoft.com):
La quatrième partie d'« AmphiCalc-1 » pour le calcul et la classification des amphiboles est désormais en ligne : « Amp15KC » pour le calcul des compositions d'amphiboles sur la base de 15 cations sans potassium et calcium aussi en position C. Ce calcul est particulièrement adapté aux amphiboles sodiques.
AmphiCalc-1 calcule automatiquement à partir d'analyses par microsonde les oxydes, les cations, la composition chimique, la répartition Fe²⁺ et Fe³⁺, ainsi que d'autres paramètres des amphiboles. Les résultats peuvent être téléchargés sous forme de fichier csv. Les diagrammes suivants pour la classification des amphiboles sont créés automatiquement et peuvent être téléchargés sous forme de fichiers svg : diagramme de Leake, diagramme ACF, diagramme AFM.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches #français
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News from Minetosh online (https://www.minetoshsoft.com):
The fourth part of “AmphiCalc-1” for calculating and classifying amphiboles is now online: “Amp15KC” for calculating amphibole compositions based on 15 cations without potassium; calcium also on position C. This calculation is particularly suitable for sodium amphiboles.
AmphiCalc-1 automatically calculates the oxides, cations, formula occupancy, Fe²⁺ and Fe³⁺ distribution, and other parameters of amphiboles from microprobe analyses. The results can be downloaded as a csv file. The following diagrams for classifying amphiboles are generated automatically and can be downloaded as svg files: Leake diagram, ACF diagram, AFM diagram.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches #english
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News from Minetosh online (https://www.minetoshsoft.com):
The fourth part of “AmphiCalc-1” for calculating and classifying amphiboles is now online: “Amp15KC” for calculating amphibole compositions based on 15 cations without potassium; calcium also on position C. This calculation is particularly suitable for sodium amphiboles.
AmphiCalc-1 automatically calculates the oxides, cations, formula occupancy, Fe²⁺ and Fe³⁺ distribution, and other parameters of amphiboles from microprobe analyses. The results can be downloaded as a csv file. The following diagrams for classifying amphiboles are generated automatically and can be downloaded as svg files: Leake diagram, ACF diagram, AFM diagram.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches #english
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Neues von Minetosh online (https://www.minetoshsoft.com):
Der vierte Teil von "AmphiCalc-1" zur Berechnung und Klassifizierung von Amphibolen ist nun online: "Amp15KC" zur Berechnung von Amphibol-Zusammensetzungen auf der Grundlage von 15 Kationen ohne Kalium; mit Calcium auch auf Position C. Diese Berechnung ist besonders für Na-Amphibole geeignet.
AmphiCalc-1 berechnet aus Mikrosondenanalysen automatisch die Oxide, die Kationen, die Formelbesetzung, die Fe²⁺- und Fe³⁺-Verteilung, sowie weitere Parameter von Amphibolen. Die Ergebnisse lassen sich als csv-Datei herunterladen. Folgende Diagramme zur Klassifizierung der Amphibole werden automatisch erstellt und können als svg-Dateien heruntergeladen werden: Leake-Diagramm, ACF-Diagramm, AFM-Diagramm.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches
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Neues von Minetosh online (https://www.minetoshsoft.com):
Der vierte Teil von "AmphiCalc-1" zur Berechnung und Klassifizierung von Amphibolen ist nun online: "Amp15KC" zur Berechnung von Amphibol-Zusammensetzungen auf der Grundlage von 15 Kationen ohne Kalium; mit Calcium auch auf Position C. Diese Berechnung ist besonders für Na-Amphibole geeignet.
AmphiCalc-1 berechnet aus Mikrosondenanalysen automatisch die Oxide, die Kationen, die Formelbesetzung, die Fe²⁺- und Fe³⁺-Verteilung, sowie weitere Parameter von Amphibolen. Die Ergebnisse lassen sich als csv-Datei herunterladen. Folgende Diagramme zur Klassifizierung der Amphibole werden automatisch erstellt und können als svg-Dateien heruntergeladen werden: Leake-Diagramm, ACF-Diagramm, AFM-Diagramm.
#Minetosh #geologie #geology #géologie #amphibol #amphibole #LeakeDiagramm, #AcfDiagramm, #AfmDiagramm #LeakeDiagram, #AcfDiagram, #AfmDiagram #LeakeDiagramme, #AcfDiagramme, #AfmDiagramme #leakediagram, #acfdiagram, #afmdiagram #geochemie #geochemistry #géochimie #mineralogie #mineralogy #metamorphose #metamorphism #métamorphose #gesteine #rocks #roches
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In this comprehensive research report, we undertake an extensive examination of one of the most transformative biological discoveries of the modern scientific era. For centuries, the foundational dogma of terrestrial ecology was absolute: the sun was the ultimate and singular source of energy capable of sustaining complex life.
#WhatIs #MarineBiology #Geochemistry #Microbiology #Biogeochemistry #Astrobiology #sflorg
https://www.sflorg.com/2026/05/wi05052601.html -
Geoscience Plugins and QGIS 4
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https://youtu.be/xtu1XVq88DQ?si=-Vzwd73GCkm4JC9w <-- shared video webinar / tutorial
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#GIS #spatial #geological #mapping #usecase #alldataisspatial #geology #geoscience #plugins #tutorial #webinars #opendata #opensource #QGIS #QGIS4 #resourcegeology #remotesensing #geophysics #mining #drilling #visualisation #geochemistry #crosssection @QGIS Australia | @QGIS | @OGC -
May the 4th be with you! 🌍✨
In a galaxy not so far away… scientists are fighting for open data, open access, and reproducible research.
#OpenScience #OpenAccess #EarthSciences #Geochemistry #DiamondOA #MayThe4thBeWithYou #StarWarsDay