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Browsing Геология России by Title
Now showing items 6060-6079 of 39126
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(1998)Hydrogeochemical investigations of natural and contaminated subsurface waters were conducted between 1992–94 in an area where liquid radioactive waste (RAW) was impounded in a small lake, and subsequently leaked into an ...
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(2004)Among tens of investigated lakes and ponds in Altai region only bottom sediments of artificial pond near Porozhnee settlement (Central Altai) contain iron-manganese nodules. The data on the sediment and nodule chemical ...
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(1997)Reconstruction of lake paleochemistry from the isotope and trace-element composition of fossil ostracodes requires an understanding of geochemical variations induced by the seasonality of shell formation. Monthly field ...
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(2001)The formation and transformation of organic matter (OM) along a river-sea section are considered for sediments of the Ob Bay, Yenisei Bay, and Kara Sea. It was shown that a large amount of mainly pelite-size sediments rich ...
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(1991)The distribution pattern of about 40 elements in zoned prograde metamorphic complexes of andalusite-sillimanite and kyanite—s sillimanite types has been studied in the Khamar-Daban region and Patom highlands, located along ...
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(PANGAEA, 1968-11-11)
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(2004)This work briefly outlines modern ideas on geochemistry of rare earth elements (REE) in the ocean. Sources of REE and chemical properties of these elements, which govern their migration ability in natural processes, are ...
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(2001)Metamorphic rocks-hydrolysates, which are strongly enriched in Al and Fe (sericite, pyrophyllite, chloritoid, diaspore, and hematite schists), are developed in the interformational contact zone between Precambrian pre-Uralide ...
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(1998)The saline lakes (Tuzkul, Chukurkul, Sasykkul Lakes) of the Sasykkul depression located in the semidesert part of the Pamirs provide a prominent example of the evaporative concentration of alkaline waters in a closed basin ...
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(PANGAEA, 2006-08-03)
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(Russian Mineralogical Society, )
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(2001)New data on the trace element distribution in rocks of volcanic-plutonic associations from the vicinity of the Karamken gold-silver deposit are reported. The deposit is localized in the outer zone of the Cretaceous ...
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(2001)The first geochemical data were obtained on rock of the Goloustnaya block in the southern framing of the Siberian Platform. It was established that the early (relict) metavolcanic rocks display geochemical features ...
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(PANGAEA, 2018-05-29)
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(PANGAEA, 2018-05-29)
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(PANGAEA, 2011-08-31)
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(PANGAEA, 2018-05-29)
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(Федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет», 2017)The paper presents the results of a study (LA-ICP-MS method) of spinel from the collection of mantle xenoliths of lherzolites (seven xenoliths) selected in quaternary alkaline basalts of the Sverre volcano, the Spitsbergen ...
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(2003)It is commonly believed that layered intrusion sections recorded the process of crystal fractionation in a magma chamber. The primary magma must have some initial Sr inventory uniformly distributed in the liquid. The amount ...
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(2004)A large Paleoproterozoic province of rocks of basaltic andesite composition with a high magnesium content (MgO = 5–10 wt %) was formed within the Karelian craton 2.55–2.4 Ga ago. The representative Sumian sequences were ...
Now showing items 6060-6079 of 39126