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Browsing Геология России by Title
Now showing items 2615-2634 of 39195
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(PANGAEA, 2017-11-25)We investigated surface sediments from the lakes and a short sediment core (lake Bolshoy Kharbey) from the River Pechora basin, East European Russian Arctic. The twenty three investigated lakes have thermokarst, glacial ...
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(2002)The South Korea Plateau is a complex of ridges, seamount chains, troughs and a basin. Detailed analysis of 12#019 line-km Chirp (2-7-kHz) subbottom profiles from the South Korea Plateau and the eastern continental slope ...
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(2002)Chirp sub-bottom profilers are marine sonar systems which use a highly repeatable source signature to facilitate the acquisition of correlated data with decimetre vertical resolution in the top 20-30 m of sediments. Source ...
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(2004)Diverse and abundant assemblages of chitinozoans allow the recognition of the upper part of the Margachitina margaritana Biozone in the uppermost Llandovery and lowermost Wenlock series of the Hughley Brook section. The ...
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(2003)Chlorbartonite, ideally K6Fe24S26(Cl,S , is a new potassium iron sulfide chloride found as an accessory mineral in a microcline - pectolite - sodalite - aegirine vein within feldspathic urtite at Mount Koashva, Khibina ...
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CHLORIDE AND WATER SOLUBILITY IN BASALT AND ANDESITE MELTS AND IMPLICATIONS FOR MAGMATIC DEGASSING (1999)The solubilities of chloride (Cl−) and H2O in aluminosilicate melts of basalt, andesite, and latite compositions saturated in aqueous vapor and/or hydrosaline liquid were determined at 2000 bars and ≈1 bar by melting ...
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(1986)Consideration of the geochemistry of Cl and I suggests that both elements would be useful pathfinders for hydrothermal mineralization. The results of published case studies indicate that these halogens form broad dispersion ...
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(PANGAEA, 2008-07-10)
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(1995)This first investigation of the Cl stable isotope composition of seafloor rocks reveals systematic variations in37Cl35Cl of the oceanic crust and its mantle source(s) relative to seawater. Chlorine isotopic measurements ...
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(1995)Chlorine isotope fractionation (37Cl/35Cl) between NaCl, KCl, and MgCl2.6H2O and their saturated solutions was determined in laboratory experiments at 22 +/- 2°C. The results are as follows:103 1n α(NaCl--solution) = +0.26 ...
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(1997)Eight carbonatite samples were analysed for δ37Cl and for δ18O and δ13C. The results show that unaltered carbonatites have δ37Cl ratios between −0.8 and +0.1‰. Because the whole mantle δ37Cl value is approximately +4.7‰, ...
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(2000)A distinct peak has been discovered in the 36Cl data from the GRIP ice core between the Dansgaard Oeschger (D-O) events 6 and 7 at approximately 32 kyr BP. This peak can be attributed to a minimum of the geomagnetic dipole ...
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(2003)The dissolution of chlorite with intermediate Fe-content was studied macroscopically via mixed flow experiments as well as microscopically via atomic force microscopy (AFM). BET surface area normalized steady state dissolution ...
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(2003)Chlorite crystallising in hydrated mantle peridotite is a potential source of water for subduction zone volcanism. The reaction clinochlore+enstatite=forsterite+pyrope+H2O is the important reaction for defining the stability ...
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(2004)Inordinary and similar chemical composition of garnet peridotites and spinel harzburgites allows suggesting that they were formed from chlorite rocks contained in the upper part of Earth crust. Submerging to the depth of ...
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(1999)Chloromenite, ideally Cu9O2(SeO3)4Cl6, was found in a fumarole in the North Breakthrough of the Great Fissure Tolbachik eruption (1975-76, Kamchatka Peninsula, Russia). It occurs as transparent, tobacco-green crystals, ...
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(PANGAEA, 2008-09-02)New maps of mean monthly distribution of chlorophyll and primary production in the Kara Sea were compiled using joint processing of CZCS (1978-1986), SeaWiFS (1998-2005), and MODIS (2002-2006) satellite data and field ...
Now showing items 2615-2634 of 39195