Results 131 to 140 of about 3,529 (187)
Seawater temperature recorded in the last phase of Late Cretaceous in the Yarkand Basin. [PDF]
Sci RepLi Y, Wang J, Yang S, Cao Y.
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Expanded subsurface ocean anoxia in the Atlantic during the Paleocene-Eocene Thermal Maximum. [PDF]
Nat CommunYao W +5 more
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Paleocene stratigraphy in Egypt
Journal of African Earth Sciences, 2016Abstract The Egyptian Paleocene is widely distributed with vertical and lateral facies changes geographically separated and subject to different tectonic and sedimentary regimes. Five coeval facies associations of the Paleocene outcrops are identified and named from south to north: Garra El-Arbain, Nile Valley, Farafra, Sinai, and Southern Galala ...
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Nitrification in Paleocene Shale
Science, 1974Exchangeable ammonium nitrogen is present in Paleocene (Fort Union) shale below a depth of 10 meters in North Dakota and eastern Montana. Above 10 meters, exchangeable ammonium nitrogen is nitrified in situ. The lack of viable nitrifying organisms and the probable lack of oxygen prevent in situ nitrification below 10 meters.
J F, Power +3 more
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Mechanisms of Climate Warming at the End of the Paleocene
Science, 1999An abrupt episode of global warming marked the end of the Paleocene epoch. Oxygen and carbon isotope records from two widely separated sites support the notion that degassing of biogenic methane hydrate may have been an important factor in altering Earth's climate.
, Bains, , Corfield, , Norris
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Mammalian Dispersal at the Paleocene/Eocene Boundary
Science, 2002A profound faunal reorganization occurred near the Paleocene/Eocene boundary, when several groups of mammals abruptly appeared on the Holarctic continents. To test the hypothesis that this event featured the dispersal of groups from Asia to North America and Europe, we used isotope stratigraphy, magnetostratigraphy, and quantitative biochronology to ...
Gabriel J, Bowen +7 more
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2017
This chapter introduces the reader to philosophical and ethical inquiry by forging a distinction between descriptive and normative claims, as well as explanatory and justificatory arguments. It utilizes cases of paleontological discovery and climate communication to argue that “catastrophe reasoning” about climate change is not only politically but ...
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This chapter introduces the reader to philosophical and ethical inquiry by forging a distinction between descriptive and normative claims, as well as explanatory and justificatory arguments. It utilizes cases of paleontological discovery and climate communication to argue that “catastrophe reasoning” about climate change is not only politically but ...
openaire +1 more source
The Paleocene Primate Plesiolestes and the Origin of Microsyopidae
Folia Primatologica, 1973Comparison of the dental morphology of the Middle Paleocene paromomyid primate Plesiolestes problematicus with that of the Early Eocene microsyopid Cynodontomystatideas indicates that Plesiolestes and Cynodontomys are closely related and that the Microsyopidae are derived from paromomyid primates.
T M, Bown, P D, Gingerich
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