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Browsing Геология России by Title
Now showing items 6040-6059 of 39126
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(2004)We have determined the major and trace element compositions of 176 individual microtektites/spherules from the Australasian, Ivory Coast, and North American microtektite and clinopyroxene-bearing (cpx) spherule layers. ...
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(2000)Three series of peridotite xenoliths from basanites of the Dzhilinda River were analyzed. The trace-element patterns of clinopyroxenes of Iherzolites of series 1 and 2a correspond to low-degree partial melting of the ...
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(PANGAEA, 2018-05-29)
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(PANGAEA, 2003-10-09)
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(PANGAEA, 2018-05-29)
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(1988)We have analyzed the geochemistry of eclogites from the Kastek, Kirgiz and Atbashi Ranges of the Tien Shan in Kirgizia as well as from the Sulutyube area in northern Kazakhstan. From the data obtained, we conclude that ...
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(2001)The geochemistry of subduction-related gabbroids and granitoids was studied in the Magadan Massif, a large intrusion in the inner zone of the Okhotsk-Chukotka volcanic belt (OCVB), which is an active continental margin of ...
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(2004)Major- and trace-element chemistry is considered for the Kurkijoki pluton and its satellites, as well as diorites and tonalites of the Lauvatsaari pluton and two-feldspar granites of the Tervu pluton, which are related to ...
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(2016)The northeast Kamchatka Peninsula is characterized by unique tectonic regimes: (i) the triple junction ~30 km off the east coast [1], (ii) subduction of the Emperor Seamount Chain [2], and (iii) possible asthenospheric ...
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(2001)A phase consisting of iron, phosphorus, and calcium was found in pelagic sediments for the first time. This phase was referred to as iron–calcium hydroxophosphates. They were isolated from the >50 mm fraction of eupelagic ...
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(2000)The isotopic compositions of carbon, oxygen, and strontium in marbles and quartzites in various metamorphic zones of the Ol'khon metamorphic complex and the REE patterns of these rocks prove that the source rocks of the ...
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(PANGAEA, 2018-05-29)
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(PANGAEA, 2018-05-29)
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(2001)Two newly discovered kimberlite pipes in the Nakyn field, Siberia yield Rb-Sr isochron ages of ca. 364 Ma, similar to emplacement ages of other major diamond-bearing pipes on the Siberian platform. Unlike any other Siberian ...
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(1999)This study focuses on the major and trace element composition of suspended sediments transported by the world’s largest rivers. Its main purpose is to answer the following question: is the degree of weathering of modern ...
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(2001)The first data are reported on the isotopic and trace-element composition of potassic igneous rocks from central Kamchatka. The composition of minerals and distribution of incompatible elements in volcanic (shoshonitic and ...
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(1995)Volcanic vapors were collected during 1990–1993 from the summit crater of Kudryavy, a basaltic andesite volcano on Iturup island in the Kuril arc. The highest temperature (700–940°C) fumarolic discharges are water rich ...
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(1995)Volcanic vapors were collected during 1990–1993 from the summit crater of Kudryavy, a basaltic andesite volcano on Iturup island in the Kuril arc. The highest temperature (700–940°C) fumarolic discharges are water rich ...
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(2002)One fresh (green), one altered (black) and one composite (green/black) peridotite xenolith from the Neogene-Quaternary basalts of the Dariganga Plateau, SE Mongolia, were studied by electron microprobe, X-ray fluorescence, ...
Now showing items 6040-6059 of 39126