Browsing ELibrary by Subject "Holocene"
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Browsing ELibrary by Subject "Holocene"
Now showing items 81-100 of 140
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(2004)Mineral-magnetic measurements and analysis of total organic carbon (TOC) and carbon/nitrogen (C/N) were performed on two AMS 14C-dated lacustrine sequences recovered from Xiaoniuchang and Jiangjunpaozi (∼42°N, 117°E). The ...
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(2003)This paper presents the first data on mineral composition of Khubsugul sediments studied in core HSG-01-8. The core was taken by the Benthos gravity corer at the flattened floor in the central part of the lake during the ...
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(2003)The Volga system is sensitive to allogenic control due to its low on- and offshore gradient (∼5 cm/km). In sequence stratigraphy, little attention has been paid to the effects of sea-level change in these ramp-margin ...
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(1997)The Holocene deformations of the central part of the Tien Shan mountain range in Kazakstan were studied in the field and by photointerpretation in order to reconstruct the geometry, kinematics and rate of faulting. The ...
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NEW DATA ON THE DISTRIBUTION AND STRATIGRAPHY OF THE BOTTOM DEPOSITS OF LAKE PEIPSI, EASTERN ESTONIA (2001)The bottom sediments of Lake Peipsi, eastern Estonia, were investigated. Earlier obtained continuous seismic reflection profiling data is compared with the coring data. Generally good accordance is found, with minor ...
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(2001)Based on tephrochronological studies the Novo-Bakening Volcano was dated Early Holocene, and its Holocene activity was reconstructed. A composite section was compiled for the tephra of the area with the description of ...
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(2002)Organic petrologic (maceral analysis) and bulk organic–geochemical studies were performed on five sediment cores from the Eurasian continental margin to reconstruct the environmental changes during the last ∼13 000 yr. The ...
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(2001)To account for the vastness of the northern arid steppes during Glacial episodes, I propose the proximate key variable was simply frequent clear skies. This hitherto under-emphasized point is the hub which best explains ...
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(1990)A number of C25 and C30 highly branched isoprenoid (HBI) sulphur compounds (E.G., thiolanes, 1-oxo-thiolanes, thiophenes, and benzo[b]thiophenes) with 2,6,10,14-tetramethyl-7-(3-methylpentyl)pentadecane and 2,6,10,14,18- ...
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(1999)Detailed paleoseismological investigations were carried out by cutting seismodislocation zones with trenches (nine at three sites) to estimate the number of paleoearthquakes and their absolute age. The detailed structure, ...
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(2001)We conducted a preliminary study of paleoshoreline features associated with Böön Tsagaan Nuur, Tsagaan Nuur, and Orog Nuur, lakes located in the Gobi–Altai transition zone of the Valley of Lakes (Dolina Ozor) which stretches ...
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(2002)The climatic consequences of major increases in the concentration of atmospheric carbon dioxide were calculated over 100 years ago, but only during the last two decades have the effects of human-induced increases in various ...
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(1998)A tephrochronological study revealed that a phreatomagmatic eruption had occurred ~6500 14C years ago and formed a maar in Lake Karymskoe. Another result of the study was the reconstruction of three episodes of basalt magma ...
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(2001)Laboratory determinations of compressional wave velocity, porosity, density and sediment texture have been conducted on samples collected from the inner shelf Holocene mud sediment in the South Sea and southern part of the ...
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(1995)Reconstructions of late Weichselian glacier coverage on the continental shelves of the Russian Arctic range from a large ice sheet terminating in northern Siberia to isolated ice caps restricted to Arctic archipelagos. ...
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(2000)For the first time in Kamchatka, 47 paleotsunamis that had hit the shore of the Kronotskii Gulf during Holocene time were identified and dated using a tephrochronological method. The data for the time period from 3000 B.P. ...
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(1999)In the framework of the Russian-French project, a series of geodesic stations for studying present-day crust deformations by the GPS method was organized on the Baikal geodynamic test ground. Processing of data of 3-year-long ...
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(1990)The Black Sea is a present-day analog of a typical past situation that promoted the development of sedimentary deposits rich in organics, including oil shales and the parent rocks of oil. In many cases the organic matter ...
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(1987)The rocks produced in the Quaternary cycle of volcanism in the GVTS (Gamchen Volcanotectonic Structure) can be subdivided into three phases, each representing a volcanic regeneration phase in the region: early Pleistocene ...
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(1999)The δ13C record of total organic carbon in the Lake Baikal core BDP-93-2 over the last glacial/interglacial transition shows remarkable correlation with atmospheric CO2 fluctuations and the negative isotopic shift of 3.5–4‰ ...
Now showing items 81-100 of 140