Results 31 to 40 of about 3,916,400 (215)
Impact of global climate cooling on Ordovician marine biodiversity
Global cooling has been proposed as a driver of the Great Ordovician Biodiversification Event, the largest radiation of Phanerozoic marine animal Life.
Daniel Eliahou Ontiveros +5 more
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The Ordovician saw major diversification in marine life abruptly terminated by the Late Ordovician mass extinction (LOME). Around 85% of species were eliminated in two pulses 1 m.y. apart.
D. Bond, S. Grasby
semanticscholar +1 more source
Lower Palaeozoic source rocks in Manjiaer Sag, Tarim Basin
Considering its vertical distribution characteristics, this article argues that the Lower Palaeozoic source rock in the Manjieer Sag is composed of three sets of source rocks of Middle-Lower Cambrian, Middle-Lower Ordovician, and Upper Ordovician.
Meng-jun ZHAO +5 more
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This report provides oxygen isotopes from apatite of late Middle and Late Ordovician conodonts from the southern Holy Cross Mountains in south-eastern Poland.
Wiesław Trela +3 more
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The Digital Atlas of Ordovician Life: digitizing and mobilizing data for paleontologists and the public [PDF]
A new online resource, “The Digital Atlas of Ordovician Life: Exploring the Fauna of the Cincinnati Region” (www.OrdovicianAtlas.org), provides a tool for exploring the diversity, systematics, biogeography and stratigraphy of Late Ordovician fossils of ...
Alycia L. Stigall +2 more
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The youngest representatives of the genus Ribeiria Sharpe, 1853 from the late Katian of the Prague Basin (Bohemia) [PDF]
Ribeiria apusoides and Ribeiria johni sp. nov. are described from the late Katian of the Prague Basin (Bohemia) as the youngest representatives of the genus Ribeiria.
Marika Polechová
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The three main regions of Indochina are defined as the Truong Son, Loei-Phetchabun, and Kontum terranes. The aim of this review is to integrate numerous petrological studies with sedimentary, palaeontological, and provenance studies in order to construct
Clive Burrett +3 more
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The Permian tight clastic reservoir and Ordovician carbonate reservoir were developed in the central-southern Ordos Basin. This study investigated the fluid inclusion petrography, diagenetic fluid characteristics, formation process of natural gas ...
Ruijing Zhu +6 more
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Five new malformed trilobites from Cambrian and Ordovician deposits from the Natural History Museum [PDF]
Injured trilobites present insight into how a completely extinct group of arthropods responded to traumatic experiences, such as failed predation and moulting complications.
Russell D.C. Bicknell, Patrick M. Smith
doaj +2 more sources
Mercury spikes suggest volcanic driver of the Ordovician-Silurian mass extinction
The second largest Phanerozoic mass extinction occurred at the Ordovician-Silurian (O-S) boundary. However, unlike the other major mass extinction events, the driver for the O-S extinction remains uncertain.
Qing Gong +8 more
doaj +1 more source

