#cenozoic — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #cenozoic, aggregated by home.social.
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The geology of the #NorwegianSea began to form 60 million years ago in the early #Cenozoic, as rifting led to the eruption of #mafic oceanic crust, separating #Scandinavia and #Greenland. Together with the #NorthSea the Norwegian Sea has become highly researched since the 1960s with the discovery of oil and natural gas in thick offshore sediments on top of the #NorwegianContinentalShelf.
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#Sanidine from the Fish Canyon Tuff is essential to understanding the pace of events in the #Cenozoic
High potassium, quickly erupted and cooled, and old enough to have accumulated sufficient 40Ar from radioactive decay. These crystals calibrate neutron flux for 40Ar/39Ar dating. The 28.2 Ma age of the FCT sanidine has been fine-tuned using #Milankovitch cycles of other ash beds in stable sedimentary basins.
photo from MinDat.org by Dan Polhemus
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#Sanidine from the Fish Canyon Tuff is essential to understanding the pace of events in the #Cenozoic
High potassium, quickly erupted and cooled, and old enough to have accumulated sufficient 40Ar from radioactive decay. These crystals calibrate neutron flux for 40Ar/39Ar dating. The 28.2 Ma age of the FCT sanidine has been fine-tuned using #Milankovitch cycles of other ash beds in stable sedimentary basins.
photo from MinDat.org by Dan Polhemus
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#Sanidine from the Fish Canyon Tuff is essential to understanding the pace of events in the #Cenozoic
High potassium, quickly erupted and cooled, and old enough to have accumulated sufficient 40Ar from radioactive decay. These crystals calibrate neutron flux for 40Ar/39Ar dating. The 28.2 Ma age of the FCT sanidine has been fine-tuned using #Milankovitch cycles of other ash beds in stable sedimentary basins.
photo from MinDat.org by Dan Polhemus
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#Sanidine from the Fish Canyon Tuff is essential to understanding the pace of events in the #Cenozoic
High potassium, quickly erupted and cooled, and old enough to have accumulated sufficient 40Ar from radioactive decay. These crystals calibrate neutron flux for 40Ar/39Ar dating. The 28.2 Ma age of the FCT sanidine has been fine-tuned using #Milankovitch cycles of other ash beds in stable sedimentary basins.
photo from MinDat.org by Dan Polhemus
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#Sanidine from the Fish Canyon Tuff is essential to understanding the pace of events in the #Cenozoic
High potassium, quickly erupted and cooled, and old enough to have accumulated sufficient 40Ar from radioactive decay. These crystals calibrate neutron flux for 40Ar/39Ar dating. The 28.2 Ma age of the FCT sanidine has been fine-tuned using #Milankovitch cycles of other ash beds in stable sedimentary basins.
photo from MinDat.org by Dan Polhemus
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Pulga del Cenozoico que quedó atrapada en el ámbar hace 20 millones de años. En su probóscide contiene lo que se cree una cepa ancestral de Yersinia pestis, regurgitada porque forma una masa viscosa en el proventrículo, impidiendo que se alimente de sangre. 📷George Poinar, Jr. #cenozoico #cenozoic
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Pulga del Cenozoico que quedó atrapada en el ámbar hace 20 millones de años. En su probóscide contiene lo que se cree una cepa ancestral de Yersinia pestis, regurgitada porque forma una masa viscosa en el proventrículo, impidiendo que se alimente de sangre. 📷George Poinar, Jr. #cenozoico #cenozoic
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Pulga del Cenozoico que quedó atrapada en el ámbar hace 20 millones de años. En su probóscide contiene lo que se cree una cepa ancestral de Yersinia pestis, regurgitada porque forma una masa viscosa en el proventrículo, impidiendo que se alimente de sangre. 📷George Poinar, Jr. #cenozoico #cenozoic
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Pulga del Cenozoico que quedó atrapada en el ámbar hace 20 millones de años. En su probóscide contiene lo que se cree una cepa ancestral de Yersinia pestis, regurgitada porque forma una masa viscosa en el proventrículo, impidiendo que se alimente de sangre. 📷George Poinar, Jr. #cenozoico #cenozoic
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Pulga del Cenozoico que quedó atrapada en el ámbar hace 20 millones de años. En su probóscide contiene lo que se cree una cepa ancestral de Yersinia pestis, regurgitada porque forma una masa viscosa en el proventrículo, impidiendo que se alimente de sangre. 📷George Poinar, Jr. #cenozoico #cenozoic
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Sketch of an Oreodont made with graphite. ✏️
#oreodont #jurassicpark #fossils #oligocene #paleontology #prehistoricplanet #prehistoric #cenozoic #fossil #jurassicworld #prehistoricmammals #lifeonourplanet #nature #extinctanimals #prehistory #geology #art #realism