Results 21 to 30 of about 6,618 (292)
Условия формирования и перспективы обнаружения россыпных месторождений пылевидного золота в Украине [PDF]
, 2008 Изложены тезисы новой гипотезы гравитационной дифференциации мельчайших твердых частиц в жидкой и твердой, но дезинтегрированной средах. На этой основе прогнозируется образование россыпей пылевидного золота в дельтах Дона, Днепра, Днестра и Дуная, а ...
Brune, Andreas +5 more
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GeoresursyA detailed study of gold from placers and eluvium of the ore zones of the Amazarkan deposit, located in the basin of the three upper tributaries of the Amazar River, was carried out. The placers are not very far from the primary sources.
V. V. Kolpakov +2 more
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Geomorphological control of gold distribution and gold particle evolution in glacial and fluvioglacial placers of the Ancocala-Ananea Basin : southeastern Andes of Peru [PDF]
, 1989 Etude sédimentologique et minéralogique des placer d'or d'origine glaciaire ou fluvio-glaciaire du bassin d'Ancocala-Ananea (Andes, Sud du Pérou). L'analyse morphologique et morphométrique des particules d'or permet d'en définir les différents milieux de
Fornari, Michel +2 more
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Endogenous gold of the russian Altai
Руды и металлы, 2023 The Altai of Russia in the geological and metallogenic sense includes the Altai Mountains and the northwestern part of Rudny Altai, and in administrative terms – the Altai Territory and the Altai Republic. Gorny Altai has experienced a complex history of
Gaskov I. V.
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Записки Горного института, 2021 The material on the gold content of coastal-marine deposits of the western coast of Kamchatka is analyzed and the resource potential is briefly characterized.
Valentina E. Kungurova
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Superficial Nanotextures of Placer Gold
Вестник Пермского университета. Геология, 2016 The methods of high-resolution electron microscopy were applied to study nanotextures on the surface of placer gold grains (the Urals, Siberia, Altai in Russia, Yukon Territory in Canada, etc.). Among superficial nanotextures, the cracks, furrows, pores, films, inclusions, monolayers, complicated aggregates with gold of relevant size were described. It
openaire +3 more sources
Hydraulic borehole mining method possible application at Middle Larba alluvial gold field
E3S Web of Conferences, 2018 Gold on placer deposits is mainly extracted in two ways: open and underground. But the open method of mining has a great negative impact on the environment, and the mine method is characterized by high labor intensity, capital and operating costs.
Rochev Vikror
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Mineralogy of alluvial sediments of Avzyan gold region (the Southern Urals)
Литосфера, 2018 The Avzyan gold region is located within the Bashkirian anticlinorium and includes lode gold deposits and placers. The Gorny Priisk, Bogryashka and Ulyuk-Bar gold deposits are hosted in the Riphean metamorphosed carbonaceous sequence.
Ekaterina E. Palenova +4 more
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THE GOLD POTENTIAL OF THE NORTHERN BLACK SEA REGION
Геологія і корисні копалини Світового океану, 2021 The article presents the results of the analysis and evaluation of gold occurrences of the Northern Black Sea and Crimea. The increased gold content of this region is associated primarily with magmatism and volcanism of the paleo-island arc and the ...
Shnyukov Ye.F.
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A Summary of gold fineness values from Alaska placer deposits [PDF]
, 1981 This report is the first in a series of publications by the Mineral Industry Research Laboratory and the Alaska Division of Geological and Geophysical Surveys under a special appropriation by the Alaska State Legislature to the School of Mineral Industry
Hawkins, D.B., Metz, P.A.
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