Results 11 to 20 of about 33,624 (262)
Deformational and metasomatic transformations of detrital gold in the course of placer formation
Руды и металлы, 2023 The richest gold placers periodically mined since 1838 are known in the north of the Republic of Tyva, within the basin of the Amyl and Sistig-Khem rivers.
Hertek Ch. M., Sazonov A. M.
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MINERAL COMPOSITION OF HEAVY CONCENTRATES OF THE KAMENNAYA SANARKA GOLD PLACER (SOUTH URALS) [PDF]
Минералогия, 2021 The paper presents the results of study of heavy concentrates from the Kamennaya Sanarka gold placer in the South Urals. The +1 mm fraction contains kyanite, garnet and staurolite, which are characteristic of host shists, whereas the –0.5 mm fraction ...
D.A. Rogov, M.A. Rassomakhin
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PREREQUISITES FOR THE FORMATION OF GOLD SPREADS ON THE UKRAINIAN SHIELD AND ON ITS SOUTHERN FRAMING
Геологія і корисні копалини Світового океану, 2023 The presence of numerous native gold deposits of the Ukrainian Crystalline Shield (UCS), as well as the spread of placer gold manifestations, determines the high probability of the formation of precious metal placers with industrial parameters here.
I.E. Lomakin +2 more
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Indonesian Journal on Geoscience, 2014 DOI: 10.17014/ijog.v6i1.114In 2008, placer gold was discovered in Langkowala area (Bombana Regency), Southeast Sulawesi, Indonesia, and more than 60,000 traditional gold miners in the early 2009 have been operating by digging vertical pits and panning ...
Arifudin Idrus +3 more
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COARSE GOLD AND NUGGETS IN THE AMUR REGION
Известия высших учебных заведений: Геология и разведка, 2020 This paper investigates the aggregation forms, sizes and composition of native gold present in the ore deposits and placers of the Amur province. The province corresponds to the zone of the Late Mesozoic collision of geoblocks of the South-Eastern ...
V. A. Stepanov
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MINERAL INCLUSIONS IN PLATINUM GRAINS FROM THE KAZAN PLACER (SOUTH URALS) [PDF]
Минералогия, 2020 Platinum grains from the Kazan placer in the South Urals contain inclusions of native metals (gold, osmium group alloys), as well as PGE chalcogenides: sulfides (laurite, erlichmanite, bauite), sulfoarsenides (irarsite and hollingworthite ...
E.V. Zaykova +2 more
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PECULIARITIES OF SEARCH FOR PLACER DEPOSITS OF GOLD OF THE SOUTH OF UKRAINE
Геологія і корисні копалини Світового океану, 2021 The long-term high level of world gold prices against the background of depletion of reserves with easily extracted metal leads to the search for and introduction into industrial development of deposits, even with low-tech ores and sands.
Lomakin I.E.
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Ground penetrating radar investigations of the geological structure of loose sediments at solid mineral deposits [PDF]
E3S Web of Conferences, 2020 For effective commercial development of deposits, an increase in the information content of operational exploration is required. In recent years, the range of methods used to obtain complete and reliable information about the structure and properties of ...
Fedorova Larisa +4 more
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CURRENT ISSUES OF SEARCH OF GOLD PLACERS IN THE SOUTH OF UKRAINE
Геологія і корисні копалини Світового океану, 2020 The main gold ore territory of Ukraine is Ukrainian shield, mainly its central and eastern parts. Currently, the potential of Ukrainian shield is estimated at 2.4 thousand tons of gold.
I.E. Lomakin +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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