Results 31 to 40 of about 376,743 (190)
Surficial placer gold deposits [PDF]
, 1994 This review summarises the factors which control the formation and distribution of surficial gold placer deposits. Regional tectonic and climatic conditions as well as gold source are considered.
Mann, P L
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Gold-bearing prospects of the Nizhnegarsky ore-placer node in the Priamur province
Известия высших учебных заведений: Геология и разведка, 2023 Background. The geological structure and gold-bearing capacity of the recently identified Nizhnegarsky potential ore-placer node of the North Bureinsky metallogenic zone of the Priammur province are investigated.Aim.
V. A. Stepanov, A. V. Melnikov
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Naryn-Gol Creek Sapphire Placer Deposit, Buryatia, Russia
, 2022 A new gem corundum occurrence has been discovered in the Naryn-Gol Creek placer of the Dzhida volcanic field (Russia). In this placer deposit, sapphire associates with large crystals of garnet, spinel, augite, olivine, enstatite, ilmenite, Ti-magnetite ...
Evgeniy V. Kislov +4 more
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Innovative methods of extracting the loose gold from technogenic deposits in the Irkutsk region
MATEC Web of Conferences, 2018 In Russia and abroad, the scope of the use of gold has significantly expanded, which undoubtedly affected the level of production. However, despite the fairly high rates of gold mining, the economic situation that has developed in recent years makes the ...
Golovina Elena +2 more
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Application of the 190Pt-186Os isotope decay system to dating platinum-group minerals [PDF]
, 2010 Constraining the formation age of platinum-group minerals (PGM) in placer deposits has traditionally been very challenging. The 190Pt-186Os decay system, measured by laser ablation multi-collector ICPMS (LA-MC-ICPMS), has been demonstrated as a useful ...
Coggon, Judith Ann, COGGON, JUDITH,ANN
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Chromite placer occurrences of the Volga-Ural basin – genesis, sources and industrial potential
GeoresursyChromium is a strategic metal, but more than a half of Russia’s needs are met by imports, so new deposits of chromites, including unconventional placer deposits, are of industrial and scientific interest. Previous studies and current works of the authors
A. V. Lalomov +2 more
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Dzheltulak system of the Oktyabrsky ore-placer node of the Amur gold-bearing province
Известия высших учебных заведений: Геология и разведкаBackground. Information on the Dzheltulak large placer system of the Amur gold-bearing province, which has produced 80 tons of gold, is presented. Aim. To determine the geological and structural position of the Dzheltulak placer system, one of the most ...
V. A. Stepanov, A. V. Melnikov
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PLACER DEPOSITS OF DIAMONDS AND THEIR FORMATION CONDITIONS
Geological Journal, 2023 This article reviews information from published papers and studies by the authors about placer diamond deposits. Original data were obtained in result of field and laboratory-analytical work carried out in various countries of Africa and South America. The main types of placer diamond deposits – fluvial, fluvioglacial, eolian, and man-made – have been ...
V.T. Pidvysotskyi +2 more
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Технічна інженерія, 2019 The efficiency of technological schemes at the mining watered titanium-zirconium deposits was established for the condition of the Motronovsky mining and processing plant pit by the index of the investments payback period.
B.Yu. Sobko, O.V. Lozhnikov
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, 2019 The rare earth elements (REEs) are characterized by the European Union (EU) as critical raw materials with a significant risk of supply because of their broad utility in both traditional and emerging technological applications. The growing demand for REE
Argyrios Papadopoulos +2 more
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