#sedimentology — Public Fediverse posts

Neogene Uplift Of The Chiribiquete Tabletop Mountains In The Colombian Amazon And Its Paleobiogeographic Implications
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https://doi.org/10.1016/j.palaeo.2026.113645 <-- shared paper
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H/T Richard F. Ott
“The Chiribiquete are table top mountains located deep in the Colombian Amazon and host many rare endemic species. Helanlin Xiang's work shows that the Chiribiquete Mountains likely upifted before the Early Miocene and could have acted as a long-lived stepping stone, connecting species in the Andes with the Guyana Shield…”
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#Miocene #Paleogeography #Palynology #Amazonia #Caquetá #paleobiogeography #Columbia #Amazon #jungle #geomorphology #neogene #uplift #geology #structuralgeology #tectonics #Chiribiquete #tabletopmountains #Andes #GuyanaShield #dating #isotopes #biome #ecosystem #tepui #elevation #sedimentology #stratigraphy #Araracuara #fluvial #lacustrine #deposition orogeny #regional #uplift #drainage #hydrography #hydrology #river #network #GIS #spatial #mapping #spatialanalysis #spatiotemporal #geophysics #seismology

Late Quaternary Variations in the Level of Paleo-Lake Malheur, Eastern Oregon
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https://doi.org/10.1006/qres.1998.2005 <-- shared paper
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https://www.oregonencyclopedia.org/articles/pleistocene-pluvial-lakes/ <-- shared technical article, “Pleistocene Pluvial Lakes” [OR]
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https://en.wikipedia.org/wiki/Malheur_Lake <-- shared Wikipedia page
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#EasternOregon #water #hydrology #geology #surfacewater #paleolake #LakeMalheur #Oregon #SouthernOregon #USA #endorheicbasin #endorheic #quaternary #fluvial #pluvial #fluvial #lacustrine ##Quaternary #Pleistocene #Holocene #PaleoLake #sediment #sedimentary #beaches #gravel #geology #sedimentology #tephra #volcanism #spatialanalysis #spatiotemporal #geologichistory #spatial #mapping #sampling #stratigraphy #dating #radiocarbon #chronology

Leaching Of Legacy Paper Mill Sludge Induces Lithification By Cementation Of Fluvial Sediment
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https://doi.org/10.1016/j.ancene.2025.100523 <-- shared paper
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[For almost 300 years – from 1709 to 2004 – Penicuik and district was producing high-quality paper which went out all over the world; Walter Scott’s Waverley novels and Robert Louis Stevenson’s notebooks were printed on Penicuik paper, and Turner painted on it too.]
#Legacy #Papermill #Penicuik #Midlothian #scotland #Sludge #Anthropogenic #lithification #Conglomerate #Cementation #geology #water #hydrology #fluvial #sediment #calcium #leacging #river #stream #waterways #streambed #calciumcarbonate #CaCO3 #SEM #EDX #sampling #XRD #waste #wastemanagement #industrial #industry #industrialwaste #pollution #sedimentology #geochemistry #papermillsludge #PMS

Mapping a Carrington Storm [in today's setting]
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https://doi.org/10.1029/2025GL116835 <-- shared paper
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#spatial #mapping #spaceweather #Carrington #magneticstorm #historicstorm #model #modeling #spatialanalysis #map #impacts #humaninpacts #geomagnetism #magneticfield #geoelectric #field #magnetotelluric #geophysics #USA #infrastructure #geology #sedimentology #geopotential #communications #utilities #energy #powertransmission #blackouts #rik #hazard #damage #publicsafety #cost #economy #mitigation #benchmark #remotesensing #earthobservation

The Egyptian Pyramid Chain Was Built Along The Now-Abandoned Ahramat Nile Branch
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https://doi.org/10.1038/s43247-024-01379-7 <-- shared paper
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#GIS #spatial #mapping #Egypt #pyramid #pyramids #Nile #NileR #NileRiver #water #hydrology #archaeology #AncientEgypt #desert #meander #branch #radar #satellite #remotesensing #earthobservation #EO #geophysics #GPR #sampling #soil #coring #subsurface #sedimentology #NileValley #Ahramat #AhramatBranch #WesternDesertPlateau #OldKingdom #MiddleKingdom #causeways #ValleyTemples #harbours #construction #engineering #transportation #river #buildingmaterials #paleohydrology