نتایج جستجو برای: stratotype

تعداد نتایج: 195  

Journal: :Geography, Environment, Sustainability 2023

The history of the early Middle Pleistocene small mammal faunas Eastern Europe is very complicated. which spanned from Brunhes-Matuyama transition (772.9 ka BP, within MIS 19) till beginning Likhvin Interglacial (424 11) includes a number interglacials and glaciations. Rodent species Tiraspolian faunal assemblage were found in Chaudian fluvial deposits Cape Pekla section (northern coast Taman P...

2017
Kenneth G. Miller James D. Wright

We review examples of placement of select Cenozoic Global Boundary Stratotype Sections and Points (GSSP = “golden spikes”) from a geochemical and magnetostratigraphic perspective. Though biostratigraphy is the sine qua non for placing modern chronologic tools (high-resolution radiometric dates, magnetochronology, and astrochronology) into proper stratigraphic context, its use as the primary cor...

2002
Matthew R. Saltzman

Carbon isotope (N13C) analyses of marine carbonates spanning the Silurian^Devonian transition are compared from three richly fossiliferous, well-dated sequences in North America. The three sections, in the central Appalachian Mountains (West Virginia), Great Basin (Nevada), and the southern Mid-continent (Oklahoma), reveal positive N13C shifts beginning in the late Pridoli and reaching peak val...

Journal: :Bulletin de l'Association française pour l'étude du quaternaire 1978

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