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Now showing items 1-20 of 257
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(2003)A Cenozoic multi-species record of benthic foraminiferal calcite Sr/Ca has been produced and is corrected for inter-specific offsets (typically less than 0.3 mmol/mol) and for the linear relationship between decreasing ...
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(2000)Remains of a heterosporous plant from the Late Cretaceous of the Tchulymo-Yenisey Basin, Western Siberia, are peculiar in having solitary sporangia on the laminar sporophyll pinnules. The sporangia produce a large number ...
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(2001)Multituberculates are the best represented mammals of the Late Cretaceous in Asia and most of them are from Outer Mongolia. The djadochtatherioidean multituberculate Kryptobaatar mandahuensis n. sp. is described on the ...
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(1998)We collected 47 sites of Upper Triassic to Middle Jurassic siltstones and sandstones and two sites of Lower Cretaceous andesites in a large basin located south of the Mongol–Okhotsk suture. The suture separates the Siberian ...
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(1992)From the unique perspective of the geological record, it appears that the ‘Greenhouse Earth’ was a feature of climate for up to 80 % of the last 500 Ma, and that therefore our present glacially dominated climate is an ...
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(2001)The Early Cretaceous is rapidly being recognized as a crucial time in the origin and dispersal of living vertebrate groups. Cretaceous trackways in Korea are among the most abundant in the world and include the smallest ...
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(2004)We report a detailed rock magnetic and Thellier paleointensity study from Autlan volcanic succession in western Mexico. The whole rock K-Ar age obtained for these lavas, 67.4 ± 1.2 Ma, together with the magnetostratigraphy ...
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(2003)Acid rain from the Cretaceous-Tertiary (K-T) boundary impact event should have caused significant damage to freshwater life, but only minor extinctions of freshwater species are actually observed. We propose a mechanism ...
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(1990)87Sr/86Sr ratios, trace element and REE compositions, and textural characteristics were determined for three hydrogenetic Fe-Mn crusts, one hydrothermal deposit, and two mixed hydrothermalhydrogenetic crusts from the ...
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(1989)The first occurrences of lamproites in Soviet Union were identified on the Aldan Shield, in the region of the Murun Pluton and in the Central Aldan block. By the geological position of the lamproite bodies and the geological ...
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(1999)Different views on the composition and stratigraphic succession of the Cretaceous floras in northeastern Asia are considered. These floras populated different landscapes of that time and their correlation are difficult to ...
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(2004)The stratigraphy and ammonite faunas of the Cretaceous succession in Sakhalin are discussed. A high-resolution bio-stratigraphic zonation (24 zones in total) is proposed; it is correlated with adjacent areas and corresponds ...
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(1997)About 10,000 years ago, at the Pleistocene-Holocene border, some important events occurred: the glaciation stopped abruptly; the sea level elevated, and quick (for 20-50 years) climatic and ecological changes took place, ...
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(2003)A new horned dinosaur, Bainoceratops efremovi gen. et sp. nov., is described on the basis of vertebral series from the well-known Bain-Dzak locality (Mongolia). The new form is distinguished from Protoceratops andrewsi ...
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BELTS OF ARID AND HUMID SEDIMENTATION DURING THE CONIACIAN-MAASTRICHTIAN AGES OF THE LATE CRETACEOUS (1998)The existence of six climatic belts - northern circumpolar humid coal, northern mid-latitude coal-bauxite-kaolinite, northern arid tropical-subtropical evaporite, equatorial humid coal-bauxite-kaolinite, southern arid ...
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(2003)Two biostratigraphic zonations, one based on macrofauna (primarily on inocerams and belemnites) and the other one based on microfossils, mostly on benthic foraminifers, are distinguished in the regional scale of the Upper ...
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(2003)The marine biota of the Arctic paleobiogeographic realm differed from the biota of the Boreal realm in being taxonomically depauperated rather than in having endemics of a high rank (Superrealm). The biota of the West ...
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(2001)Southeastern Russia is characterized by considerable potential coal and brown coal resources. Paleogene to Neogene brown coals and Lower Cretaceous bituminous coals appear to be well developed (Khabarovsk, Bazovsky and ...
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(2002)The Chixculub impact occurred at the Cretaceous/Tertiary (K/T) boundary, and although several other Late Cretaceous and Paleogene impact craters have, at times, been linked with the K/T boundary, isotope geochronology has ...
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(2003)Mollusk migrations of various intensity in the Kimmeridgian to Valanginian time span were established in the Boreal Atlantic (West and East European Provinces), Boreal Pacific (Chukotka-Canadian and Boreal Pacific Provinces), ...
Now showing items 1-20 of 257