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Browsing Геология России by Title
Now showing items 10120-10139 of 39124
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(1987)Analysis of aromatic hydrocarbon fractions of selected coal and shale samples reveals the predominance of two specific polyalkylnaphthalenes which have been identified as 1,2,5-trimethylnaphthalene and 1,2,5,6-tetramethy ...
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(2005)Andalusite occurs as an accessory mineral in many types of peraluminous felsic igneous rocks, including rhyolites, aplites, granites, pegmatites, and anatectic migmatites. Some published stability curves for And = Sil and ...
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(2004)Natural “monalbite” (MA) has been observed on a submicron-scale in jadeite along with high albite (HA) and low albite (LA) in jadeite quartzite in the Dabie ultrahigh-pressure (UHP) metamorphic terrane, China. Transmission ...
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(2002)The purified cell walls of mother cells (CWM) were isolated from three strains of trilaminar sheath (TLS)- and algaenan-containing freshwater microalgae Chlorella emersonii, Tetraedron minimum and Scenedesmus communis. The ...
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(1998)We report on the occurrence of fullerenes in Proterozoic shungite (∼2 Ga) from the shungite mine, Kondopoga, Karelia, Russia (62.12°N 34.17°E). The presence of fullerenes has been confirmed by mass spectrometry, with peaks ...
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(2001)The polar fraction, isolated from the off-line pyrolysate at 400°C of a Late Tithonian, sulphur- and oxygen-rich, kerogen was examined via Raney Nickel desulphurization and TMAH thermochemolysis. Important information on ...
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(1999)Mylonitic rocks associated with the south-dipping detachment fault of the Yagan Onch Hayrhan metamorphic core complex in southernmost Mongolia indicate subhorizontal south-southeast directed extension in the Early Cretaceous; ...
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(PANGAEA, 2019-01-29)This data set is composed of in situ measurements of salinity, temperature, coloured dissolved organic matter absorption coefficient at 443 nm (aCDOM(443)), suspended particulate matter (SPM) and chlorophyll-a concentration ...
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(1988)To make a synchronous survey of an eddy field over a large area (300 miles × 300 miles) the Institute undertook in late 1987 the interdepartmental Megapoligon expedition in the northwestern Pacific Ocean, east of Japan and ...
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(2001)Estimates of the effective elastic thickness (Te) of the oceanic lithosphere based on gravity and bathymetric data from island loads are commonly significantly lower than those based on the wavelength of plate bending at ...
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(2003)The excitation mechanism of the Chandler wobble (CW) is investigated by examining the power spectra of oceanic angular momentum (OAM) excitation (1985-1995) and two series of atmospheric angular momentum (AAM) excitation. ...
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(2002)Oceanic contributions to the annual and semi-annual wobble of polar motion have been evaluated by Wünsch (Wünsch, J., 2000. Oceanic influence on the annual polar motion. J. Geodynamics 30, 389–399) using three different ...
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(2001)The Precambrian-Cambrian (PC-C) boundary separates fossils representing two discrete evolutionary phases: the Neoproterozoic soft-bodied Ediacarian biotas and Cambrian small shelly faunas. The biological discontinuity is ...
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(1989)In East Kamchatka, Cretaceous oceanic rocks are known on the Cape Kamchatskiy peninsula and in the melange zones of the East Ranges. The authors' investigations in 1985-1987 revealed oceanic rocks in the eastern part of ...
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(2003)We propose a unifying explanation for the four major icehouses during the past c.620 million years: earliest Oligocene to Present; early Carboniferous to early Permian; late Ordovician and late Vendian (the ‘snowball Earth’) ...
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(2000)Oceanic contributions to the seasonal wobbles of polar motion are evaluated using three different ocean circulation models: (a) the Parallel Ocean Climate Model; mass term only, i.e. tensor of inertia changes; (b) the model ...
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(2000)Statistical study of basalts from mid-ocean ridges differing in spreading rate shows that two main petrochemical groups of basalts, N-MORB and ferrobasalts, are zonally distributed along ang across their crest. Ferrobasalts ...
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(2004)An Earth system model of intermediate complexity, CLIMBER-2, is used to simulate the oxygen-18 content of the water masses (H182O) in the oceans. Firstly, we forced CLIMBER-2 with the fluxes from the atmospheric general ...
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(1998)Field studies combined with chemical and isotope data indicate that the Kostomuksha greenstone belt in the NW Baltic Shield consists of two lithotectonic terranes, one mafic igneous and the other sedimentary, separated by ...
Now showing items 10120-10139 of 39124