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Now showing items 21-40 of 121
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(2003)Paired apatite fission track and U-Th/He dates provide the first Late Cenozoic cooling ages for the northern Tien Shan. These data clearly argue for pulsed deformation since the Late Miocene, with early (11–10 Ma) and late ...
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(2001)Carbon isotopic composition was studied in oils and hydrocarbon gases from different oil and gas fields and reservoirs hosted in the Upper Cretaceous to Upper Pliocene sequences of the South Caspian mega-depression. It was ...
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(2003)The transition from the Early Miocene to the Middle Miocene is a crucial point for the development of mollusc faunas (gastropods and bivalves) in the Central Paratethys. Here, we first discuss the confusing and partly ...
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(1988)To reconstruct the evolution of the climate, the authors mapped its zoning on the basis of planktonic forminifera characteristic of the end of the middle and the end of the late Miocene. The position of climatic zones in ...
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(2003)Comparative characteristic of spore-pollen assemblages from the Son'e (late Eocene), Bui, Svetlovodnaya (late Eocene-early Oligocene), Amgu (late Oligocene-early Miocene), Dembi, Velikaya Kema (late early Miocene-earliest ...
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(1999)According to the present day knowledge, the stratigraphic equivalents of the Early Miocene volcanic rocks of Sakhalin in the East Sikhote-Alin must be the rocks of the Dembi Suite, a constituent of the Kizinsky Formation ...
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(1999)The Early Miocene volcanic rocks of Sakhalin, constituents of the Chekhov Formation, are separated from the older Late Paleogene volcanics (phase I of Cenozoic volcanism) by a thick normal sedimentary sequence and, hence, ...
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(2002)Upland and shield areas of central and northwestern Europe are characterised by an abundance of relict weathering mantles (saprolites). These saprolites, if accurately dated and interpreted, may serve as an important ...
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(2001)Mineralogical discrimination of iron oxides in soils and sediments is not a trivial task, mainly because of their small grain size and low concentration. With mineral-magnetic techniques, highly magnetic ferrimagnetic ...
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DIAGENETIC AND CATAGENETIC PRODUCTS OF ISORENIERATENE: MOLECULAR INDICATORS FOR PHOTIC ZONE ANOXIA (1996)A wide range of novel diagenetic and catagenetic products of the diaromatic carotenoid isorenieratene, a pigment of the photosynthetic green sulphur bacteria Chlorobiaceae, has been identified in a number of sedimentary ...
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(1989)One of the tasks of the 21st cruise of the RV Yevpatoriya in the Black Sea in 1988 was to search for accumulations of gas hydrates supplied by an underwater mud volcano, and inferred to exist there by analogy with those ...
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(2001)The rodent assemblage from the Middle Members of the Chul’adyr Formation contains seven species that belong to six (sub)families. The dominant Cricetidae are represented by a new genus and species:Aktaumys dzhungaricus and ...
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(2004)The Aral Faunal Assemblage is rich in small mammals. Insectivores there include the hedgehogs Galerix sp., Exallerix efialtes Lopatin, Amphechinus akespensis Lopatin, A. microdus Lopatin, and Amphechinus sp.; the moles ...
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(2000)New high-resolution seismic reflection data from the central part of Lake Baikal provide new insight into the structure and stratigraphy of Academician Ridge, a large intra-rift accommodation zone separating the Central ...
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(1995)In oils and Precambrian- to Miocene-age source rocks from varying depositional environments, we have conclusively identified several novel 3-alkyl sterane and triaromatic steroid series, including (1) 3β-n-pentyl steranes, ...
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(1996)Lherzolite xenoliths in Miocene to Pleistocene basalts from five sites in the Hamar-Daban range in southern Siberia provide sampling of the mantle close to the axis of the Baikal rift. These anhydrous spinel lherzolites ...
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(2003)Two new species, Laricioxylon priamnrensis and Populoxylon priaimtrensis, are described from the upper Miocene of the Erkovetskii brown coal field (Amur River Region) on the basis of wood anatomy. The former combines ...
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(2003)Gel permeation chromatography (GPC) was applied to concentrate steranes and triterpanes in oils and measure their compound-specific carbon isotope ratios (δ13C). Trace steranes and triterpanes were concentrated from ...
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(1989)Analysis of the evolution of Phanerozoic stratigraphic complexes of the western margin of the East European craton (EEC) and the Central European Platform (CEP) shows that their formation depended on the corresponding ...
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(2001)The highest and longest ridges of the East Yakutian mountainous province exist on its periphery as the Verkhoyansk system in the west and the Chersky and Moma systems in the east. Northward, the ridges give way to the ...
Now showing items 21-40 of 121