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michael14-May-2025 <a href="https://mastodon.social/tags/Alaska" class="mention hashtag" rel="nofollow noopener" target="_blank">#Alaska</a>: Ancient cave sediments provide new <a href="https://mastodon.social/tags/climate" class="mention hashtag" rel="nofollow noopener" target="_blank">#climate</a> clues Discovery of 20,000-year-old cave <a href="https://mastodon.social/tags/sediments" class="mention hashtag" rel="nofollow noopener" target="_blank">#sediments</a> on Prince of Wales Island offers rare land-based evidence of ancient <a href="https://mastodon.social/tags/meltwater" class="mention hashtag" rel="nofollow noopener" target="_blank">#meltwater</a> events<a href="https://www.eurekalert.org/news-releases/1083622" rel="nofollow noopener" translate="no" target="_blank">https://www.eurekalert.org/news-releases/1083622</a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#science</a> <a href="https://mastodon.social/tags/paleoClimate" class="mention hashtag" rel="nofollow noopener" target="_blank">#paleoClimate</a> <a href="https://mastodon.social/tags/glaciers" class="mention hashtag" rel="nofollow noopener" target="_blank">#glaciers</a>

Keller ÎletsLa <a href="https://smugcat.moe/tags/grotte" rel="nofollow noopener" target="_blank">#grotte</a> de <a href="https://smugcat.moe/tags/Tinshemet" rel="nofollow noopener" target="_blank">#Tinshemet</a> se situe à mi-chemin entre <a href="https://smugcat.moe/tags/Jérusalem" rel="nofollow noopener" target="_blank">#Jérusalem</a> et <a href="https://smugcat.moe/tags/Tel-Aviv" rel="nofollow noopener" target="_blank">#Tel-Aviv</a>, à la jonction des hauts plateaux de <a href="https://smugcat.moe/tags/Judée" rel="nofollow noopener" target="_blank">#Judée</a> et de la plaine côtière méditerranéenne. Elle a été découverte dans les années 40, mais ne fait l’objet d’une <a href="https://smugcat.moe/tags/fouille" rel="nofollow noopener" target="_blank">#fouille</a> approfondie que depuis 2017. Fouille difficile : les <a href="https://smugcat.moe/tags/sédiments" rel="nofollow noopener" target="_blank">#sédiments</a> sont cimentés, comme du <a href="https://smugcat.moe/tags/béton" rel="nofollow noopener" target="_blank">#béton</a>. Mais cela vaut le coup. Les premiers résultats que viennent de publier les <a href="https://smugcat.moe/tags/archéologues" rel="nofollow noopener" target="_blank">#archéologues</a> démontrent que la grotte a bien été occupée par des <a href="https://smugcat.moe/tags/humains" rel="nofollow noopener" target="_blank">#humains</a>, il y a 100 000 ans. Ils ont découvert des traces de cendres de <a href="https://smugcat.moe/tags/bois" rel="nofollow noopener" target="_blank">#bois</a>, des dizaines de <a href="https://smugcat.moe/tags/silex" rel="nofollow noopener" target="_blank">#silex</a> savamment taillés, des milliers de <a href="https://smugcat.moe/tags/fragments" rel="nofollow noopener" target="_blank">#fragments</a> d’<a href="https://smugcat.moe/tags/ocre" rel="nofollow noopener" target="_blank">#ocre</a> de tailles, formes, textures et <a href="https://smugcat.moe/tags/couleurs" rel="nofollow noopener" target="_blank">#couleurs</a> variées, des restes d’<a href="https://smugcat.moe/tags/aurochs" rel="nofollow noopener" target="_blank">#aurochs</a>, d’équidés, de gazelles, de sangliers - même une phalange de rhinocéros… Et, surtout, les <a href="https://smugcat.moe/tags/squelettes" rel="nofollow noopener" target="_blank">#squelettes</a> de 5 humains, dont deux quasi-complets, en position fœtale, signe qu’ils ont été enterrés lors d’une <a href="https://smugcat.moe/tags/sépulture" rel="nofollow noopener" target="_blank">#sépulture</a>. C’est déjà très émouvant. Avec quatre autres sépultures de la <a href="https://smugcat.moe/tags/région" rel="nofollow noopener" target="_blank">#région</a> datant de la même époque, dont une qui se trouve à seulement dix kilomètres de là, voilà le plus vieux <a href="https://smugcat.moe/tags/cimetière" rel="nofollow noopener" target="_blank">#cimetière</a> humain jamais découvert. <a href="https://smugcat.moe/tags/Israel" rel="nofollow noopener" target="_blank">#Israel</a> <a href="https://smugcat.moe/tags/archeologie" rel="nofollow noopener" target="_blank">#archeologie</a> <a href="https://www.radiofrance.fr/franceinter/podcasts/la-terre-au-carre/la-terre-au-carre-l-actu-du-mardi-25-mars-2025-6988075" rel="nofollow noopener" target="_blank">https://www.radiofrance.fr/franceinter/podcasts/la-terre-au-carre/la-terre-au-carre-l-actu-du-mardi-25-mars-2025-6988075</a>

💧🌏 Greg CocksUSGS Releases Assessment Of Undiscovered Oil & Gas Resources In Wyoming, Southern Montana -- <a href="https://www.usgs.gov/news/national-news-release/usgs-releases-assessment-undiscovered-oil-and-gas-resources-wyoming" rel="nofollow noopener" translate="no" target="_blank">https://www.usgs.gov/news/national-news-release/usgs-releases-assessment-undiscovered-oil-and-gas-resources-wyoming</a> <-- shared article -- <a href="https://doi.org/10.3133/fs20243049" rel="nofollow noopener" translate="no" target="_blank">https://doi.org/10.3133/fs20243049</a> <-- shared publication -- <a href="https://www.sciencebase.gov/catalog/item/65032556d34ed30c2058be2d" rel="nofollow noopener" translate="no" target="_blank">https://www.sciencebase.gov/catalog/item/65032556d34ed30c2058be2d</a> <-- shared open data -- <a href="https://api.sciencebase.gov/geoserver/ows?service=wms&version=1.3.0&request=GetCapabilities&namespace=sb-65032556d34ed30c2058be2d" rel="nofollow noopener" translate="no" target="_blank">https://api.sciencebase.gov/geoserver/ows?service=wms&version=1.3.0&request=GetCapabilities&namespace=sb-65032556d34ed30c2058be2d</a> <-- shared spatial service -- <a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener" target="_blank">#GIS</a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener" target="_blank">#spatial</a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener" target="_blank">#mapping</a> <a href="https://techhub.social/tags/oilandgas" class="mention hashtag" rel="nofollow noopener" target="_blank">#oilandgas</a> <a href="https://techhub.social/tags/OG" class="mention hashtag" rel="nofollow noopener" target="_blank">#OG</a> <a href="https://techhub.social/tags/naturalresources" class="mention hashtag" rel="nofollow noopener" target="_blank">#naturalresources</a> <a href="https://techhub.social/tags/oil" class="mention hashtag" rel="nofollow noopener" target="_blank">#oil</a> <a href="https://techhub.social/tags/gas" class="mention hashtag" rel="nofollow noopener" target="_blank">#gas</a> <a href="https://techhub.social/tags/fedscience" class="mention hashtag" rel="nofollow noopener" target="_blank">#fedscience</a> <a href="https://techhub.social/tags/model" class="mention hashtag" rel="nofollow noopener" target="_blank">#model</a> <a href="https://techhub.social/tags/modeling" class="mention hashtag" rel="nofollow noopener" target="_blank">#modeling</a> <a href="https://techhub.social/tags/Wyoming" class="mention hashtag" rel="nofollow noopener" target="_blank">#Wyoming</a> <a href="https://techhub.social/tags/Montana" class="mention hashtag" rel="nofollow noopener" target="_blank">#Montana</a> <a href="https://techhub.social/tags/assessment" class="mention hashtag" rel="nofollow noopener" target="_blank">#assessment</a> <a href="https://techhub.social/tags/WindRiverBasin" class="mention hashtag" rel="nofollow noopener" target="_blank">#WindRiverBasin</a> <a href="https://techhub.social/tags/BighornBasin" class="mention hashtag" rel="nofollow noopener" target="_blank">#BighornBasin</a> <a href="https://techhub.social/tags/PowderRiverBasin" class="mention hashtag" rel="nofollow noopener" target="_blank">#PowderRiverBasin</a> <a href="https://techhub.social/tags/exploration" class="mention hashtag" rel="nofollow noopener" target="_blank">#exploration</a> <a href="https://techhub.social/tags/undiscovered" class="mention hashtag" rel="nofollow noopener" target="_blank">#undiscovered</a> <a href="https://techhub.social/tags/energy" class="mention hashtag" rel="nofollow noopener" target="_blank">#energy</a> <a href="https://techhub.social/tags/energysupply" class="mention hashtag" rel="nofollow noopener" target="_blank">#energysupply</a> <a href="https://techhub.social/tags/geology" class="mention hashtag" rel="nofollow noopener" target="_blank">#geology</a> <a href="https://techhub.social/tags/structuralgeology" class="mention hashtag" rel="nofollow noopener" target="_blank">#structuralgeology</a> <a href="https://techhub.social/tags/sediments" class="mention hashtag" rel="nofollow noopener" target="_blank">#sediments</a> <a href="https://techhub.social/tags/lithology" class="mention hashtag" rel="nofollow noopener" target="_blank">#lithology</a> <a href="https://techhub.social/tags/reserves" class="mention hashtag" rel="nofollow noopener" target="_blank">#reserves</a> @USGS

💧🌏 Greg Cocks'The Nastiest Soils On Earth' Are Getting Recognized As A Bigger Problem -- <a href="https://phys.org/news/2024-11-nastiest-soils-earth-bigger-problem.html" rel="nofollow noopener" translate="no" target="_blank">https://phys.org/news/2024-11-nastiest-soils-earth-bigger-problem.html</a> <-- shared technical article -- <a href="https://lnu.diva-portal.org/smash/record.jsf?pid=diva2%3A1895656&dswid=-9242" rel="nofollow noopener" translate="no" target="_blank">https://lnu.diva-portal.org/smash/record.jsf?pid=diva2%3A1895656&dswid=-9242</a> <-- link to doctoral thesis -- <a href="https://techhub.social/tags/acidsulfatesoils" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidsulfatesoils</a> <a href="https://techhub.social/tags/acidrockdrainage" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidrockdrainage</a> <a href="https://techhub.social/tags/microbialecology" class="mention hashtag" rel="nofollow noopener" target="_blank">#microbialecology</a> <a href="https://techhub.social/tags/acidophiles" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidophiles</a> <a href="https://techhub.social/tags/oxidation" class="mention hashtag" rel="nofollow noopener" target="_blank">#oxidation</a> <a href="https://techhub.social/tags/sediments" class="mention hashtag" rel="nofollow noopener" target="_blank">#sediments</a> <a href="https://techhub.social/tags/genesequences" class="mention hashtag" rel="nofollow noopener" target="_blank">#genesequences</a> <a href="https://techhub.social/tags/acidsulfate" class="mention hashtag" rel="nofollow noopener" target="_blank">#acidsulfate</a> <a href="https://techhub.social/tags/soils" class="mention hashtag" rel="nofollow noopener" target="_blank">#soils</a> <a href="https://techhub.social/tags/humanimpacts" class="mention hashtag" rel="nofollow noopener" target="_blank">#humanimpacts</a> <a href="https://techhub.social/tags/risk" class="mention hashtag" rel="nofollow noopener" target="_blank">#risk</a> <a href="https://techhub.social/tags/hazard" class="mention hashtag" rel="nofollow noopener" target="_blank">#hazard</a> <a href="https://techhub.social/tags/waterquality" class="mention hashtag" rel="nofollow noopener" target="_blank">#waterquality</a> <a href="https://techhub.social/tags/ecosystem" class="mention hashtag" rel="nofollow noopener" target="_blank">#ecosystem</a> <a href="https://techhub.social/tags/health" class="mention hashtag" rel="nofollow noopener" target="_blank">#health</a> <a href="https://techhub.social/tags/geochemistry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geochemistry</a> <a href="https://techhub.social/tags/microbiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#microbiology</a> <a href="https://techhub.social/tags/mitigation" class="mention hashtag" rel="nofollow noopener" target="_blank">#mitigation</a> <a href="https://techhub.social/tags/sulfide" class="mention hashtag" rel="nofollow noopener" target="_blank">#sulfide</a> <a href="https://techhub.social/tags/coast" class="mention hashtag" rel="nofollow noopener" target="_blank">#coast</a> <a href="https://techhub.social/tags/coastal" class="mention hashtag" rel="nofollow noopener" target="_blank">#coastal</a> <a href="https://techhub.social/tags/water" class="mention hashtag" rel="nofollow noopener" target="_blank">#water</a> <a href="https://techhub.social/tags/hydrology" class="mention hashtag" rel="nofollow noopener" target="_blank">#hydrology</a> <a href="https://techhub.social/tags/pH" class="mention hashtag" rel="nofollow noopener" target="_blank">#pH</a> <a href="https://techhub.social/tags/acids" class="mention hashtag" rel="nofollow noopener" target="_blank">#acids</a> <a href="https://techhub.social/tags/metals" class="mention hashtag" rel="nofollow noopener" target="_blank">#metals</a> <a href="https://techhub.social/tags/rainfall" class="mention hashtag" rel="nofollow noopener" target="_blank">#rainfall</a> <a href="https://techhub.social/tags/snowmelt" class="mention hashtag" rel="nofollow noopener" target="_blank">#snowmelt</a> <a href="https://techhub.social/tags/dissolution" class="mention hashtag" rel="nofollow noopener" target="_blank">#dissolution</a> <a href="https://techhub.social/tags/precipitation" class="mention hashtag" rel="nofollow noopener" target="_blank">#precipitation</a> <a href="https://techhub.social/tags/waterbodies" class="mention hashtag" rel="nofollow noopener" target="_blank">#waterbodies</a> <a href="https://techhub.social/tags/plants" class="mention hashtag" rel="nofollow noopener" target="_blank">#plants</a> <a href="https://techhub.social/tags/fish" class="mention hashtag" rel="nofollow noopener" target="_blank">#fish</a> <a href="https://techhub.social/tags/fisheries" class="mention hashtag" rel="nofollow noopener" target="_blank">#fisheries</a> <a href="https://techhub.social/tags/heavymetals" class="mention hashtag" rel="nofollow noopener" target="_blank">#heavymetals</a> <a href="https://techhub.social/tags/aluminum" class="mention hashtag" rel="nofollow noopener" target="_blank">#aluminum</a> <a href="https://techhub.social/tags/fishkill" class="mention hashtag" rel="nofollow noopener" target="_blank">#fishkill</a> <a href="https://techhub.social/tags/mortality" class="mention hashtag" rel="nofollow noopener" target="_blank">#mortality</a> <a href="https://techhub.social/tags/oxidation" class="mention hashtag" rel="nofollow noopener" target="_blank">#oxidation</a> <a href="https://techhub.social/tags/bioremediation" class="mention hashtag" rel="nofollow noopener" target="_blank">#bioremediation</a>

Nina DavtianMy first first-authored <a href="https://mastodon.world/tags/scientific" class="mention hashtag" rel="nofollow noopener" target="_blank">#scientific</a> <a href="https://mastodon.world/tags/publication" class="mention hashtag" rel="nofollow noopener" target="_blank">#publication</a> as a former <a href="https://mastodon.world/tags/postdoc" class="mention hashtag" rel="nofollow noopener" target="_blank">#postdoc</a> at ICTA-UAB, published in <a href="https://mastodon.world/tags/Journal" class="mention hashtag" rel="nofollow noopener" target="_blank">#Journal</a> of <a href="https://mastodon.world/tags/Chromatography" class="mention hashtag" rel="nofollow noopener" target="_blank">#Chromatography</a> A one year and a half ago, deserves a <a href="https://mastodon.world/tags/thread" class="mention hashtag" rel="nofollow noopener" target="_blank">#thread</a> on <a href="https://mastodon.world/tags/Mastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mastodon</a> as well! We selectively extract <a href="https://mastodon.world/tags/levoglucosan" class="mention hashtag" rel="nofollow noopener" target="_blank">#levoglucosan</a> and its isomers from complex matrices, such as <a href="https://mastodon.world/tags/sediments" class="mention hashtag" rel="nofollow noopener" target="_blank">#sediments</a>, for quantification by liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS)! <a href="https://mastodon.world/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://mastodon.world/tags/ScienceMastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#ScienceMastodon</a> <a href="https://mastodon.world/tags/Paper" class="mention hashtag" rel="nofollow noopener" target="_blank">#Paper</a> <a href="https://mastodon.world/tags/LiquidChromatography" class="mention hashtag" rel="nofollow noopener" target="_blank">#LiquidChromatography</a> <a href="https://mastodon.world/tags/MassSpectrometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#MassSpectrometry</a> <a href="https://doi.org/10.1016/j.chroma.2023.463935" rel="nofollow noopener" translate="no" target="_blank">https://doi.org/10.1016/j.chroma.2023.463935</a> (1/28)

Planetary EcologistDesert pavement (Deserts 🏜️)A desert pavement, also called reg, serir, gibber, or saï is a desert surface covered with closely packed, interlocking angular or rounded rock fragments of pebble and cobble size. They typically top alluvial fans. Desert varnish collects on the exposed surface rocks over time. Geologists debate the mechanics of pavement formation and their age.<a href="https://en.wikipedia.org/wiki/Desert_pavement" rel="nofollow noopener" translate="no" target="_blank">https://en.wikipedia.org/wiki/Desert_pavement</a><a href="https://botsin.space/tags/DesertPavement" class="mention hashtag" rel="nofollow noopener" target="_blank">#DesertPavement</a> <a href="https://botsin.space/tags/Deserts" class="mention hashtag" rel="nofollow noopener" target="_blank">#Deserts</a> <a href="https://botsin.space/tags/Sediments" class="mention hashtag" rel="nofollow noopener" target="_blank">#Sediments</a> <a href="https://botsin.space/tags/AeolianLandforms" class="mention hashtag" rel="nofollow noopener" target="_blank">#AeolianLandforms</a>

Lukas VFN 🇪🇺Mud Could Have Made Meandering Rivers Long Before <a href="https://scholar.social/tags/Plants" class="mention hashtag" rel="nofollow noopener" target="_blank">#Plants</a> Arrived <a href="https://eos.org/research-spotlights/mud-could-have-made-meandering-rivers-long-before-plants-arrived" rel="nofollow noopener" target="_blank">https://eos.org/research-spotlights/mud-could-have-made-meandering-rivers-long-before-plants-arrived</a>Pre-<a href="https://scholar.social/tags/Vegetation" class="mention hashtag" rel="nofollow noopener" target="_blank">#Vegetation</a>, Single-Thread <a href="https://scholar.social/tags/Rivers" class="mention hashtag" rel="nofollow noopener" target="_blank">#Rivers</a> Sustained by Cohesive, Fine-Grained Bank <a href="https://scholar.social/tags/Sediments" class="mention hashtag" rel="nofollow noopener" target="_blank">#Sediments</a>: <a href="https://scholar.social/tags/Mesoproterozoic" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mesoproterozoic</a> Stoer Group, NW <a href="https://scholar.social/tags/Scotland" class="mention hashtag" rel="nofollow noopener" target="_blank">#Scotland</a> <a href="https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023GL104379" rel="nofollow noopener" target="_blank">https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023GL104379</a>"New evidence from 1.2-billion-year-old rocks suggests that single, sinuous channels could have formed in muddy floodplain sediments without the stabilizing help of vegetation."

Lukas VFN 🇪🇺Clues in the clay: <a href="https://scholar.social/tags/Scientists" class="mention hashtag" rel="nofollow noopener" target="_blank">#Scientists</a> narrow the search for the first animals <a href="https://news.yale.edu/2023/06/27/clues-clay-scientists-narrow-search-first-animals" rel="nofollow noopener" target="_blank">https://news.yale.edu/2023/06/27/clues-clay-scientists-narrow-search-first-animals</a><a href="https://scholar.social/tags/Fossilisation" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fossilisation</a> processes and our reading of animal antiquity <a href="https://www.cell.com/trends/ecology-evolution/fulltext/S0169-5347(23)00137-4" rel="nofollow noopener" target="_blank">https://www.cell.com/trends/ecology-evolution/fulltext/S0169-5347(23)00137-4</a>"They studied areas around the world with <a href="https://scholar.social/tags/sediments" class="mention hashtag" rel="nofollow noopener" target="_blank">#sediments</a> closest to the conditions of the <a href="https://scholar.social/tags/BurgessShale" class="mention hashtag" rel="nofollow noopener" target="_blank">#BurgessShale</a>, particularly deposits with similar <a href="https://scholar.social/tags/clay" class="mention hashtag" rel="nofollow noopener" target="_blank">#clay</a> compositions. Those sites date to 789 million years ago and older. But none of those sites yielded animal <a href="https://scholar.social/tags/fossils" class="mention hashtag" rel="nofollow noopener" target="_blank">#fossils</a>, implying that <a href="https://scholar.social/tags/animals" class="mention hashtag" rel="nofollow noopener" target="_blank">#animals</a> had not evolved by that time."

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