Results 31 to 40 of about 7,031 (168)
Геодинамика и тектонофизикаThis paper presents a comparative analysis of geochronological, geochemical, Sr-Nd isotopic data and geodynamic conditions for the Devonian magmatism of the East European Platform, using as an example the Pripyat-Dnieper-Donets rift zone in the south of ...
E. V. Yutkina +5 more
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Co AND Ni MINERALS IN ORES OF THE MIKHEEVSKOE PORPHYRY Cu DEPOSIT (SOUTH URALS) [PDF]
МинералогияCo and Ni minerals are described in ores of the Mikheevskoe porphyry copper deposit (South Urals, Russia). Minerals of the cobaltite–gersdorfite series (CoAsS–NiAsS), violarite (FeNi2S4), millerite (NiS), pentlandite (Ni5.5Fe3.4)8.9S8.0 and melonite ...
O.Yu. Plotinskaya, E.V. Kovalchuk
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Georesursy, 2020 Based on the results of field research, as well as data from stock reports, two types of placer gold were identified within the Vagran placer cluster, which are indicators of primary mineralization.
Alexander V. Lalomov +2 more
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Neyshabour turquoise mine: the first Iron Oxide Cu-Au-U-LREE (IOCG) mineralized system in Iran
Journal of Economic Geology, 2012 Neyshabour turquoise mine is located in northwest of Neyshabour, southern Quchan volcanic belt. Eocene andesite and dacite forming as lava and pyroclastic rocks cover most of the area.
Mohammad Hasan Karimpour +3 more
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GeoresursyIn the article, using the territory of the western part of the Baikal-Patom belt as an example, an author’s approach to the automatic extraction of lineaments reflecting various scale levels of the development of the fault network framework is proposed ...
S. A. Ustinov +5 more
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Gold and other impurity elements in pyrite from the Berezovskoe deposit in the Middle Urals
Литосфера, 2019 Research subject. In this work, we investigated the crystals of pyrite, one of the key gold-bearing minerals, from the Berezovskoe (the Middle Urals) deposit using modern research approaches.Materials and methods.
N. V. Sidorova +3 more
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Литосфера, 2019 Research subject. The inner structure, composition, and genesis of the poorly studied formation of weathering crusts are studied with reference to peneplaned platform territories in Kazakhstan and Siberia during the Cretaceous-Paleogene boundary epoch ...
Yu. G. Tsekhovskii +2 more
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Petrology and geochemistry of volcanic rocks of Cheshmeh Khuri and Shekasteh Sabz areas, Khur, northwest of Birjand [PDF]
پترولوژی, 2016 Khur area is located in east of Iran and northwest of Birjand. The area comprises outcrops of Eocene to Oligocene volcanics with basaltic andesite to rhyolite composition, which were intruded by subvolcanic and intrusive bodies of granodiorite to gabbro.
Maryam Javidi Moghaddam +4 more
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Записки Горного институтаA unique Mn-, Cd-bearing sphalerite from quartz-calcite veins in the coal-bearing series (Visean C1v) marine sediments in a 50 km segment of the middle course of the Silova-Yakha River in the Arctic zone of the European part of Russia (Pai-Khoi Ridge ...
Aleksandr B. Makeyev +4 more
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