Results 41 to 50 of about 141,133 (203)
SEQUENTIAL EXTRACTION OF SUBSTANCES WITH KNOWN Au SPECIATION – AN EXPERIMENTAL DATA
Геодинамика и тектонофизика, 2022 A study has been conducted on the features of distriburion of Au among the fractions of a 7-step sequential extraction procedure using model substances that are similar in composition to natural organic matter from the dispersion train of sulfide ...
B. Y. Saryg-ool +4 more
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COMPOSITION OF GOLD AND FORMATION CONDITIONS OF ORES FROM THE KOPTO HYDROTHERMAL DEPOSIT (NORTHEAST TUVA) [PDF]
Минералогия, 2018 The mineralogical and geochemical peculiarities and formation conditions of gold are considered for the Kopto gold stockwork deposit juxtaposed on skarns and metasomatites of the Tardan gold cluster (Northeast Tuva).
R.V. Kuzhuget +3 more
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Geochemical features of native gold from the Shamanikha-Stolbovaya ore region, Magadan Oblast
Руды и металлыThe paper presents data on native gold from the Shamanikha-Stolbovaya ore region of the Prikolymskoe uplift in the Northeastern Russia. Gold mineralization developed in the region, taking into account its geochemical characteristics and data on the ...
Litvinenko I. S.
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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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Millenium Basket (Wasco Sally Bag)
, 2022 Patricia Courtney Gold, a member of the Wasco Nation, grew up on the Warm Springs Indian Reservation of Oregon. She graduated from Whitman College with a BA in mathematics and worked in computer programming for many years.
Patricia Courtney Gold (b. 1939) +1 more
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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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TYPES OF GOLD PLACERS OF THE AMYL-SISTIGKHEM PLACER REGION, WEST SAYAN [PDF]
МинералогияNative gold from seven placers of the Amyl-Sistighem ore placer region (the Republic of Tyva, Krasnoyarsk region) is classified on the basis of its structure, morphology and chemical composition, which are studied by optical and electronic microscopy ...
Ch.M. Khertek, A.M. Sazonov
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Georesursy, 2019 Over tens of years of mining and processing of ores and placers of gold in the world a huge amount of wastes originated in the form of spoil heaps and tailing dumps, in which the content of valuable components allow them to be considered a real ...
I.V. Kuznetsova +2 more
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Руды и металлыBased on results of the field and laboratory studies within the Verkhnetatarskaya gold-bearing area (South Yenisei ore district), four sequentially formed mineral complexes have been distinguished and characterized: 1) gold-quartz (native gold (960 ± 20 ‰
Kryazhev S. G. +4 more
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Вестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2023 The paper presents the results of the study of typomorphic characteristics of placer gold of the tributaries of the Kengeveem River, Magadan region. Placer gold was studied by optical and scanning electron microscopy at the Institute of Volcanology and ...
E.D. Skilskaia, Sh.S. Kudaeva
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