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#geologic — Public Fediverse posts

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  1. Timing And Style Of Tectonic Assembly And Exhumation Of The Mchugh Complex Within The Chugach-Kodiak Accretionary Wedge, Alaska
    --
    doi.org/10.1029/2025TC009004 <-- shared paper
    --
    discoveryalert.com.au/chugach- <-- shared technical article
    --
    [this paper is WAY over my head in terms of the nuance of structural geology, but still fascinating; further, I have to say: these are TRULY gorgeous, well-designed & presented, and useful geologic maps, cross-sections, annotated photographs and other visualisations (I am jealous of that level of skill, in the BEST of ways!)]
    #geology #structuralgeology #fieldwork #geologic #mapping #KenaiPeninsula #McHughComplex #tectonics #underplating #faulting #subduction #erosion #Exhumation #ChugachKodiak #AccretionaryWedge #Alaska #coast #coastal #mineralogy #transects #crosssections #model #modeling #sampling #spectroscopy #accretionary #accretionarymargin #plateboundary #trench #interpretation #peneplanation #forearc

  2. Timing And Style Of Tectonic Assembly And Exhumation Of The Mchugh Complex Within The Chugach-Kodiak Accretionary Wedge, Alaska
    --
    doi.org/10.1029/2025TC009004 <-- shared paper
    --
    discoveryalert.com.au/chugach- <-- shared technical article
    --
    [this paper is WAY over my head in terms of the nuance of structural geology, but still fascinating; further, I have to say: these are TRULY gorgeous, well-designed & presented, and useful geologic maps, cross-sections, annotated photographs and other visualisations (I am jealous of that level of skill, in the BEST of ways!)]
    #geology #structuralgeology #fieldwork #geologic #mapping #KenaiPeninsula #McHughComplex #tectonics #underplating #faulting #subduction #erosion #Exhumation #ChugachKodiak #AccretionaryWedge #Alaska #coast #coastal #mineralogy #transects #crosssections #model #modeling #sampling #spectroscopy #accretionary #accretionarymargin #plateboundary #trench #interpretation #peneplanation #forearc

  3. Timing And Style Of Tectonic Assembly And Exhumation Of The Mchugh Complex Within The Chugach-Kodiak Accretionary Wedge, Alaska
    --
    doi.org/10.1029/2025TC009004 <-- shared paper
    --
    discoveryalert.com.au/chugach- <-- shared technical article
    --
    [this paper is WAY over my head in terms of the nuance of structural geology, but still fascinating; further, I have to say: these are TRULY gorgeous, well-designed & presented, and useful geologic maps, cross-sections, annotated photographs and other visualisations (I am jealous of that level of skill, in the BEST of ways!)]
    #geology #structuralgeology #fieldwork #geologic #mapping #KenaiPeninsula #McHughComplex #tectonics #underplating #faulting #subduction #erosion #Exhumation #ChugachKodiak #AccretionaryWedge #Alaska #coast #coastal #mineralogy #transects #crosssections #model #modeling #sampling #spectroscopy #accretionary #accretionarymargin #plateboundary #trench #interpretation #peneplanation #forearc

  4. Timing And Style Of Tectonic Assembly And Exhumation Of The Mchugh Complex Within The Chugach-Kodiak Accretionary Wedge, Alaska
    --
    doi.org/10.1029/2025TC009004 <-- shared paper
    --
    discoveryalert.com.au/chugach- <-- shared technical article
    --
    [this paper is WAY over my head in terms of the nuance of structural geology, but still fascinating; further, I have to say: these are TRULY gorgeous, well-designed & presented, and useful geologic maps, cross-sections, annotated photographs and other visualisations (I am jealous of that level of skill, in the BEST of ways!)]
    #geology #structuralgeology #fieldwork #geologic #mapping #KenaiPeninsula #McHughComplex #tectonics #underplating #faulting #subduction #erosion #Exhumation #ChugachKodiak #AccretionaryWedge #Alaska #coast #coastal #mineralogy #transects #crosssections #model #modeling #sampling #spectroscopy #accretionary #accretionarymargin #plateboundary #trench #interpretation #peneplanation #forearc

  5. Timing And Style Of Tectonic Assembly And Exhumation Of The Mchugh Complex Within The Chugach-Kodiak Accretionary Wedge, Alaska
    --
    doi.org/10.1029/2025TC009004 <-- shared paper
    --
    discoveryalert.com.au/chugach- <-- shared technical article
    --
    [this paper is WAY over my head in terms of the nuance of structural geology, but still fascinating; further, I have to say: these are TRULY gorgeous, well-designed & presented, and useful geologic maps, cross-sections, annotated photographs and other visualisations (I am jealous of that level of skill, in the BEST of ways!)]

  6. : is a naturally occurring gas found in the Earth's crust that can be indicated by "#Fairy ," which are circular, barren depressions in the landscape.

    These circles may form when underground hydrogen gas pressure causes the land to rise and then sink, creating a surface depression.

    knowledgezone.co.in/posts/Geol

  7. #KnowledgeByte: #Geologic #Hydrogen is a naturally occurring gas found in the Earth's crust that can be indicated by "#Fairy #Circles," which are circular, barren depressions in the landscape.

    These circles may form when underground hydrogen gas pressure causes the land to rise and then sink, creating a surface depression.

    knowledgezone.co.in/posts/Geol

  8. #KnowledgeByte: #Geologic #Hydrogen is a naturally occurring gas found in the Earth's crust that can be indicated by "#Fairy #Circles," which are circular, barren depressions in the landscape.

    These circles may form when underground hydrogen gas pressure causes the land to rise and then sink, creating a surface depression.

    knowledgezone.co.in/posts/Geol

  9. #KnowledgeByte: #Geologic #Hydrogen is a naturally occurring gas found in the Earth's crust that can be indicated by "#Fairy #Circles," which are circular, barren depressions in the landscape.

    These circles may form when underground hydrogen gas pressure causes the land to rise and then sink, creating a surface depression.

    knowledgezone.co.in/posts/Geol

  10. #KnowledgeByte: #Geologic #Hydrogen is a naturally occurring gas found in the Earth's crust that can be indicated by "#Fairy #Circles," which are circular, barren depressions in the landscape.

    These circles may form when underground hydrogen gas pressure causes the land to rise and then sink, creating a surface depression.

    knowledgezone.co.in/posts/Geol

  11. : is naturally occurring hydrogen gas found within the Earth's subsurface, offering a potentially vast, low-carbon energy source.

    Unlike industrial hydrogen production, which can have a high carbon footprint, geologic hydrogen is generated and stored naturally within rock formations, similar to oil and natural gas.

    knowledgezone.co.in/posts/Geol

  12. #KnowledgeByte: #Geologic #Hydrogen is naturally occurring hydrogen gas found within the Earth's subsurface, offering a potentially vast, low-carbon energy source.

    Unlike industrial hydrogen production, which can have a high carbon footprint, geologic hydrogen is generated and stored naturally within rock formations, similar to oil and natural gas.

    knowledgezone.co.in/posts/Geol

  13. #KnowledgeByte: #Geologic #Hydrogen is naturally occurring hydrogen gas found within the Earth's subsurface, offering a potentially vast, low-carbon energy source.

    Unlike industrial hydrogen production, which can have a high carbon footprint, geologic hydrogen is generated and stored naturally within rock formations, similar to oil and natural gas.

    knowledgezone.co.in/posts/Geol

  14. #KnowledgeByte: #Geologic #Hydrogen is naturally occurring hydrogen gas found within the Earth's subsurface, offering a potentially vast, low-carbon energy source.

    Unlike industrial hydrogen production, which can have a high carbon footprint, geologic hydrogen is generated and stored naturally within rock formations, similar to oil and natural gas.

    knowledgezone.co.in/posts/Geol

  15. #KnowledgeByte: #Geologic #Hydrogen is naturally occurring hydrogen gas found within the Earth's subsurface, offering a potentially vast, low-carbon energy source.

    Unlike industrial hydrogen production, which can have a high carbon footprint, geologic hydrogen is generated and stored naturally within rock formations, similar to oil and natural gas.

    knowledgezone.co.in/posts/Geol

  16. The thing about humans mostly forget is that, in terms of human timescales, they are all only temporary, always changing, and in terms of timescales, they have never existed at all.

  17. The thing about #borders humans mostly forget is that, in terms of human timescales, they are all only temporary, always changing, and in terms of #geologic timescales, they have never existed at all.

    #humanity #geology

  18. The thing about #borders humans mostly forget is that, in terms of human timescales, they are all only temporary, always changing, and in terms of #geologic timescales, they have never existed at all.

    #humanity #geology

  19. The thing about #borders humans mostly forget is that, in terms of human timescales, they are all only temporary, always changing, and in terms of #geologic timescales, they have never existed at all.

    #humanity #geology

  20. The thing about #borders humans mostly forget is that, in terms of human timescales, they are all only temporary, always changing, and in terms of #geologic timescales, they have never existed at all.

    #humanity #geology

  21. Environmental Impacts of #Geothermal Energy

    Published Mar 5, 2013
    Union of Concerned Scientists

    "The most widely developed type of geothermal power plant (known as #hydrothermal plants) are located near #geologic#HotSpots” where hot molten rock is close to the earth’s crust and produces hot water. In other regions enhanced geothermal systems (or hot dry rock geothermal), which involve drilling into Earth’s surface to reach deeper geothermal resources, can allow broader access to geothermal energy."

    [...]

    "Some geothermal plants also produce small amounts of #mercury emissions, which must be mitigated using mercury filter technology. Scrubbers can reduce air emissions, but they produce a watery #sludge composed of the captured materials, including #sulfur, #vanadium, #silica compounds, chlorides, #arsenic, mercury, #nickel, and other heavy metals. This #ToxicSludge often must be disposed of at hazardous waste sites."

    [...]

    "Land #subsidence, a phenomenon in which the land surface sinks, is sometimes caused by the removal of water from geothermal reservoirs. Most geothermal facilities address this risk by re-injecting wastewater back into geothermal reservoirs after the water’s heat has been captured.

    "Hydrothermal plants are sited on geological “hot spots," which tend to have higher levels of #earthquake risk. There is evidence that hydrothermal plants can lead to an even greater earthquake frequency. Enhanced geothermal systems (hot dry rock) can also increase the risk of small earthquakes. In this process, water is pumped at high pressures to fracture underground hot rock reservoirs similar to technology used in natural gas hydraulic #fracturing. (See How Natural Gas Works for more information.) Earthquake risk associated with enhanced geothermal systems can be minimized by siting plants an appropriate distance away from major fault lines. When a geothermal system is sited near a heavily populated area, constant monitoring and transparent communication with local communities is also necessary."

    ucsusa.org/resources/environme

    #Fracking #GeothermalEnergy #ThinkBeforeDrilling

  22. Environmental Impacts of #Geothermal Energy

    Published Mar 5, 2013
    Union of Concerned Scientists

    "The most widely developed type of geothermal power plant (known as #hydrothermal plants) are located near #geologic#HotSpots” where hot molten rock is close to the earth’s crust and produces hot water. In other regions enhanced geothermal systems (or hot dry rock geothermal), which involve drilling into Earth’s surface to reach deeper geothermal resources, can allow broader access to geothermal energy."

    [...]

    "Some geothermal plants also produce small amounts of #mercury emissions, which must be mitigated using mercury filter technology. Scrubbers can reduce air emissions, but they produce a watery #sludge composed of the captured materials, including #sulfur, #vanadium, #silica compounds, chlorides, #arsenic, mercury, #nickel, and other heavy metals. This #ToxicSludge often must be disposed of at hazardous waste sites."

    [...]

    "Land #subsidence, a phenomenon in which the land surface sinks, is sometimes caused by the removal of water from geothermal reservoirs. Most geothermal facilities address this risk by re-injecting wastewater back into geothermal reservoirs after the water’s heat has been captured.

    "Hydrothermal plants are sited on geological “hot spots," which tend to have higher levels of #earthquake risk. There is evidence that hydrothermal plants can lead to an even greater earthquake frequency. Enhanced geothermal systems (hot dry rock) can also increase the risk of small earthquakes. In this process, water is pumped at high pressures to fracture underground hot rock reservoirs similar to technology used in natural gas hydraulic #fracturing. (See How Natural Gas Works for more information.) Earthquake risk associated with enhanced geothermal systems can be minimized by siting plants an appropriate distance away from major fault lines. When a geothermal system is sited near a heavily populated area, constant monitoring and transparent communication with local communities is also necessary."

    ucsusa.org/resources/environme

    #Fracking #GeothermalEnergy #ThinkBeforeDrilling

  23. Environmental Impacts of #Geothermal Energy

    Published Mar 5, 2013
    Union of Concerned Scientists

    "The most widely developed type of geothermal power plant (known as #hydrothermal plants) are located near #geologic#HotSpots” where hot molten rock is close to the earth’s crust and produces hot water. In other regions enhanced geothermal systems (or hot dry rock geothermal), which involve drilling into Earth’s surface to reach deeper geothermal resources, can allow broader access to geothermal energy."

    [...]

    "Some geothermal plants also produce small amounts of #mercury emissions, which must be mitigated using mercury filter technology. Scrubbers can reduce air emissions, but they produce a watery #sludge composed of the captured materials, including #sulfur, #vanadium, #silica compounds, chlorides, #arsenic, mercury, #nickel, and other heavy metals. This #ToxicSludge often must be disposed of at hazardous waste sites."

    [...]

    "Land #subsidence, a phenomenon in which the land surface sinks, is sometimes caused by the removal of water from geothermal reservoirs. Most geothermal facilities address this risk by re-injecting wastewater back into geothermal reservoirs after the water’s heat has been captured.

    "Hydrothermal plants are sited on geological “hot spots," which tend to have higher levels of #earthquake risk. There is evidence that hydrothermal plants can lead to an even greater earthquake frequency. Enhanced geothermal systems (hot dry rock) can also increase the risk of small earthquakes. In this process, water is pumped at high pressures to fracture underground hot rock reservoirs similar to technology used in natural gas hydraulic #fracturing. (See How Natural Gas Works for more information.) Earthquake risk associated with enhanced geothermal systems can be minimized by siting plants an appropriate distance away from major fault lines. When a geothermal system is sited near a heavily populated area, constant monitoring and transparent communication with local communities is also necessary."

    ucsusa.org/resources/environme

    #Fracking #GeothermalEnergy #ThinkBeforeDrilling

  24. Environmental Impacts of #Geothermal Energy

    Published Mar 5, 2013
    Union of Concerned Scientists

    "The most widely developed type of geothermal power plant (known as #hydrothermal plants) are located near #geologic#HotSpots” where hot molten rock is close to the earth’s crust and produces hot water. In other regions enhanced geothermal systems (or hot dry rock geothermal), which involve drilling into Earth’s surface to reach deeper geothermal resources, can allow broader access to geothermal energy."

    [...]

    "Some geothermal plants also produce small amounts of #mercury emissions, which must be mitigated using mercury filter technology. Scrubbers can reduce air emissions, but they produce a watery #sludge composed of the captured materials, including #sulfur, #vanadium, #silica compounds, chlorides, #arsenic, mercury, #nickel, and other heavy metals. This #ToxicSludge often must be disposed of at hazardous waste sites."

    [...]

    "Land #subsidence, a phenomenon in which the land surface sinks, is sometimes caused by the removal of water from geothermal reservoirs. Most geothermal facilities address this risk by re-injecting wastewater back into geothermal reservoirs after the water’s heat has been captured.

    "Hydrothermal plants are sited on geological “hot spots," which tend to have higher levels of #earthquake risk. There is evidence that hydrothermal plants can lead to an even greater earthquake frequency. Enhanced geothermal systems (hot dry rock) can also increase the risk of small earthquakes. In this process, water is pumped at high pressures to fracture underground hot rock reservoirs similar to technology used in natural gas hydraulic #fracturing. (See How Natural Gas Works for more information.) Earthquake risk associated with enhanced geothermal systems can be minimized by siting plants an appropriate distance away from major fault lines. When a geothermal system is sited near a heavily populated area, constant monitoring and transparent communication with local communities is also necessary."

    ucsusa.org/resources/environme

    #Fracking #GeothermalEnergy #ThinkBeforeDrilling

  25. Environmental Impacts of #Geothermal Energy

    Published Mar 5, 2013
    Union of Concerned Scientists

    "The most widely developed type of geothermal power plant (known as #hydrothermal plants) are located near #geologic#HotSpots” where hot molten rock is close to the earth’s crust and produces hot water. In other regions enhanced geothermal systems (or hot dry rock geothermal), which involve drilling into Earth’s surface to reach deeper geothermal resources, can allow broader access to geothermal energy."

    [...]

    "Some geothermal plants also produce small amounts of #mercury emissions, which must be mitigated using mercury filter technology. Scrubbers can reduce air emissions, but they produce a watery #sludge composed of the captured materials, including #sulfur, #vanadium, #silica compounds, chlorides, #arsenic, mercury, #nickel, and other heavy metals. This #ToxicSludge often must be disposed of at hazardous waste sites."

    [...]

    "Land #subsidence, a phenomenon in which the land surface sinks, is sometimes caused by the removal of water from geothermal reservoirs. Most geothermal facilities address this risk by re-injecting wastewater back into geothermal reservoirs after the water’s heat has been captured.

    "Hydrothermal plants are sited on geological “hot spots," which tend to have higher levels of #earthquake risk. There is evidence that hydrothermal plants can lead to an even greater earthquake frequency. Enhanced geothermal systems (hot dry rock) can also increase the risk of small earthquakes. In this process, water is pumped at high pressures to fracture underground hot rock reservoirs similar to technology used in natural gas hydraulic #fracturing. (See How Natural Gas Works for more information.) Earthquake risk associated with enhanced geothermal systems can be minimized by siting plants an appropriate distance away from major fault lines. When a geothermal system is sited near a heavily populated area, constant monitoring and transparent communication with local communities is also necessary."

    ucsusa.org/resources/environme

    #Fracking #GeothermalEnergy #ThinkBeforeDrilling

  26. The Solar System May Have Passed Through Dense Interstellar Clouds 2 Million Years Ago, Altering Earth’s Climate
    --
    eurekalert.org/news-releases/1 <-- AAAS press release
    --
    doi.org/10.1038/s41550-024-022 <-- shared paper
    --
    “Astrophysicists calculate the likelihood that Earth was exposed to cold, harsh interstellar clouds, a phenomenon not previously considered in geologic climate models…"
    #GIS #spatial #mapping #interstellar #clouds #astrophysics #climate #climatechange #atmosphere #geologic #paleoclimate #paleoclimatology #cold #iceage #solarwind #plasmashield #heliosphere #radiation #galacticrays #DNA #model #modeling #interstallarmedium #spacephysics #atmosphericchemistry #solarsystem #spaceweather