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Browsing ELibrary by Title
Now showing items 3334-3353 of 21934
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(1995)Long-term subaqueous decomposition patterns of five different vascular plant tissues including mangrove leaves and wood (Avicennia germinans), cypress needles and wood (Taxodium distichum), and smooth cordgrass (Spartina ...
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(1996)Fluorescence at wavelengths characteristic of humic substances (excitation 350 nm, emission 450 nm) have been used in this study to approximate concentrations of fluorescent dissolved organic material (FDOM). In situ ...
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(2001)Maastrichtian dinosaur bone remains from the Naran Bulak locality (the Gobi Desert) with well-preserved bone textural features are enriched in some trace elements, primarily in REE. These features of vertebrate fossils ...
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(1996)The W isotopic composition of the bulk silicate Earth (BSE) is chondritic within current analytical uncertainties, indicating that terrestrial core formation commenced more than 50 Myr after the differentiation of the ...
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(2003)In the metamorphic cores of many orogenic belts, large macroscopic folds in compositional layering also appear to fold one or more pervasive matrix foliations. The latter geometry suggests the folds formed relatively late ...
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(2004)Understanding the nature and composition of larger extraterrestrial bodies that may collide with the Earth is important. One source of information lies in the record of ancient impact craters, some of which have yielded ...
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(2001)This work was aimed to study the bedding of Early Holocene sapropel and a thin (0.2-4 cm) layer of tephra enclosed in it at a distance of 5-8 to 13 cm above its bottom. The tephra consists of poorly rounded particles of ...
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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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(2002)During the Arenig-Llanvirn interval a series of radiations across all the major clades, established the Brachiopoda as a major component of the Palaeozoic benthos. Radiations on Baltica and Laurentia during the Arenig ...
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(1998)The new Paleocene stratigraphic scheme of western Kamchatka comprising two, Ulevenei and Chemurnaut groups divided into seven formation and members is discussed. Four horizons marked by marine fossils and four phytohorizons ...
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(2003)Attempts to understand early Paleogene climate using models have provided insights, but have consistently had difficulty explaining essential climatic features. A main limitation of those studies has been the lack of ...
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(2003)Our study in lithologically diverse lower Paleogene deposits of the former southern USSR and West Siberia resolves three sedimentary provinces: (i) Southern (Crimea-Caucasus and Central Asia), dominated by biogenic calcareous ...
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(2000)Subsidence of continental crust in fold belts is commonly interpreted as related to extension or elastic flexure of the lithosphere near convergent plate boundaries. In the Late Cambrian - Early Ordovician, relative extension ...
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(2004)This communication discusses the issue of the formation of Early Caledonian batholiths based on comparative analysis of their age and Nd-Isotope characteristics in thee Altai-Kuznetsk -Batenev segment dominated by collisions ...
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(2004)The leucocratic subalkaline granites found in the eastern margin of the Argun' terrane have an U-Pb age of 467-472 Ma and compose relatively small tectonic blocks among Silurian and Devonian terrigenous-carbonate deposits ...
Now showing items 3334-3353 of 21934