نتایج جستجو برای: cenozoic
تعداد نتایج: 2977 فیلتر نتایج به سال:
Abstract Foraminifera are one of the most important fossil microorganisms in the Persian Gulf. During micropaleontological investigations in 5 sampling stations around the Kish Island, 14 genera and 15 species of dead Cenozoic benthic foraminifera were determined and described. Next to these assemblages, other organisms, such as microgastropods and spines of echinids were also looked into. In ...
1 State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, 2 Laboratory for Marine Geology, Qingdao National Oceanography Laboratory for Science and Technology, Qingdao, China, 3 Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, 4 Departame...
________________________________________ Introduction __ ___________________________________ Area covered.__________________________________ Aeromagnetic survey.___________________________ Gravity survey.________________________________ Acknowledgments--.. __1________________________ Geology __ __ ____________ _ Rock units_____________________________________ Carboniferous and older rocks._____...
“This continuity disappears, however, if one considers individual parts of the [Central American] chain and examines separate groups of volcanoes within a restricted volcanic field. It then becomes apparent that the continuity of the province as a whole is the result of grouping excessively large segments of the chain.” A.R. McBirney: Compositional variations in Cenozoic calcalkaline suites of ...
1 Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, P.O. Box 9825, 100029 Beijing, China 2 Shandong Institute and Laboratory of Geological Sciences, 250013 Jinan, China 3 Nansen-Zhu International Research Center, Institute of Atmospheric Physics, Chinese Academy of Sciences, 100029 Beijing, China 4 State Key Laboratory of Loess...
Background: The thermal regime of the Upper Rhine Graben (URG) is characterized by a series of anomalies near Soultz-sous-Forêts (France), Rittershoffen (France), and Landau (Germany). These temperature anomalies are associated with groundwater circulation in fractures and faults distributed in the Cenozoic and Mesozoic sedimentary cover associated with and connected to fractures originating de...
The science of reconstructing past climates has evolved rapidly over the past three decades. Having started as a subdiscipline of geology and geochemistry [Imbrie and Imbrie, 1979], it is today an interdisciplinary research field which unifies a large international scientific community. Some of the most innovative and suprising research in this field has important implications for future climat...
[1] Throughout the Cenozoic the Earth experienced global cooling that led to the appearance of continental glaciers in high northern latitudes around 3 Ma ago. At approximately the same time, cold surface waters first appeared in regions that today have intense oceanic upwelling: the eastern equatorial Pacific and the coastal zones of southwestern Africa and California. There was furthermore a ...
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