نتایج جستجو برای: middle cenozoic

تعداد نتایج: 157713  

Journal: :Geodinamika i Tektonofizika 2022

The article presents the results of integrated geological and geophysical research works dealt with detailed magnetotelluric (MT) sounding study morphology spatial position sedimentary cover basement structures along key transect Middle Tien Shan crossing Naryn Atbashi depressions. data on distribution deep electrical conductivity crust upper mantle were compared seismic profiling data. compila...

Journal: :Zoological Journal of the Linnean Society 2011

Journal: :Geophysical Research Letters 1995

Journal: :Danmarks Geologiske Undersøgelse Serie B 1982

Journal: :The American naturalist 2012
Ignacio Morales-Castilla Miguel Á Olalla-Tárraga Andy Purvis Bradford A Hawkins Miguel Á Rodríguez

Ecology, evolution, and historical events all contribute to biogeographic patterns, but studies that integrate them are scarce. Here we focus on how biotic exchanges of mammals during the Late Cenozoic have contributed to current geographic body size patterns. We explore differences in the environmental correlates and phylogenetic patterning of body size between groups of mammals participating ...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2002
Mark Pagani

Cenozoic climates have varied across a variety of time-scales, including slow, unidirectional change over tens of millions of years, as well as severe, geologically abrupt shifts in Earth's climatic state. Establishing the history of atmospheric carbon dioxide is critical in prioritizing the factors responsible for past climatic events, and integral in positioning future climate change within a...

2017
Dimitar Z Epihov Sarah A Batterman Lars O Hedin Jonathan R Leake Lisa M Smith David J Beerling

Fossil and phylogenetic evidence indicates legume-rich modern tropical forests replaced Late Cretaceous palm-dominated tropical forests across four continents during the early Cenozoic (58-42 Ma). Tropical legume trees can transform ecosystems via their ability to fix dinitrogen (N2) and higher leaf N compared with non-legumes (35-65%), but it is unclear how their evolutionary rise contributed ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Hubert Staudigel Harald Furnes Maarten DeWit

Microbial corrosion textures in volcanic glass from Cenozoic seafloor basalts and the corresponding titanite replacement microtextures in metamorphosed Paleoarchean pillow lavas have been interpreted as evidence for a deep biosphere dating back in time through the earliest periods of preserved life on earth. This interpretation has been recently challenged for Paleoarchean titanite replacement ...

Journal: :International Geology Review 2022

The Jurassic is one of the most important periods generating hydrocarbon source rocks and coals in Northwest China, Qaidam Basin an petroliferous coal-forming basin. However, a series explorations targeting have failed over past several years. These failures were mainly caused by missing targeted strata, suggesting that current understanding distribution still limited. Therefore, this study con...

Journal: :Geodiversitas 2021

Albanerpetontids are an extinct clade of superficially salamander-like lissamphibians that range from the Middle Jurassic (Bathonian)-Early Pleistocene and have a primarily Laurasian distribution. The best Cenozoic record for is in Europe, where two species type genus AlbanerpetonEstes & Hoffstetter, 1976 occur over 40 localities early Oligocene-Early age Austria, Czech Republic, France, German...

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