Results 31 to 40 of about 2,000 (199)
Mustard Gold of the Gaching Ore Deposit (Maletoyvayam Ore Field, Kamchatka, Russia) [PDF]
Minerals, 2019 The Gaching high-sulfidation (HS) epithermal Au–Ag deposits, part of the Maletoyvayam ore field, which is located in the volcanic belts of the Kamchatka Peninsula (Russia). The main ore components are native gold, tellurides, selenides, and sulphoselenotellurides of Au and oxidation products of Au-tellurides.
Nadezhda D. Tolstykh +3 more
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COST ASSESSMENT OF GOLD ORE DEPOSITS ADJUSTED FOR CAPITAL INVESTMENTS
Записки Горного института, 2018 The paper focuses on the problems of geologic and economic assessment of mineral deposits. Existing methods have certain advantages and disadvantages, but always rely on unified assessment criteria that fail to take into account specific parameters of ...
A. Yu. Zaitsev
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Estimation of efficiency of development of copper and gold deposits of Krasnoyarsk North [PDF]
Арктика и Север, 2017 The article presents the probable approach to the assessment of the availability of the mineral deposits. This approach is specially created for initial estimation of resourses and reserves of low degree of exploration.
Viktor I. Bragin +2 more
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地质科技通报, 2021 Chelugoubei Gold Deposit in Yumen City, Gansu Province is located at the intersection of the western North Qilian Orogenic Belts and eastern Altyn Tagh Sinistral strike-slip fault shearing zones, which is a famous "golden triangle" in Northwest China ...
Yanliang Liu, Ya Gao, Jindong Wei
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Advanced Science, EarlyView.The critical pore spacing—approximately twenty times the pore radius—required to minimize electric field coupling is determined via finite element analysis. A multi‐layered Al2O3/Au/Si3N4 nanopore structure fabricated by helium ion beam lithography is proposed, enabling quantitative analysis of the target analyte while mitigating inter‐pore crosstalk ...
Silu Feng +5 more
wiley +1 more source
Advanced Electronic Materials, EarlyView.This tutorial introduces a practical framework for implementing early‐stage Life‐Cycle Assessment (LCA) in flexible and printed electronics. Using organic electrochemical transistors (OECTs) as a case study, the modular Process‐of‐Record and open‐access inventory provides a rich resource adaptable to a plethora of technologies in printed electronics ...
Laura Teuerle +6 more
wiley +1 more source
Известия высших учебных заведений: Геология и разведка, 2015 Dzhagdy-Selemdzinskaya metallogemc zone is shown to be the one of the most productive gold-bearing zones in Priamurskaya province. The placer and ore deposits mined in the area are estimated to be about 350 t of gold, including 293,811 of placer and 57 ...
V. A. Stepanov, A. V. Melnikov
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ON «STEP OF ALLOCATION» AND FORECASTING OF THE VEIN GOLD ORE BODIES
Известия высших учебных заведений: Геология и разведка, 2018 On the example of a number of domestic and foreign gold vein deposits it has been shown that the system of gold-ore bodies is located along some narrow local ore controlling displacements in a shape of veins.
E. M. Nekrasov
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Large and super-large orogenic golden deposits: Geodynamics, structure, genetic consequences
Литосфера, 2020 Research subject. Large and super-large orogenic gold deposits are widely distributed across all continents. This work was aimed at characterizing 24 giant facilities with reserves and resources of more than 500 tons of metal.Materials and methods.
Yu. S. Savchuk, A. V. Volkov
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Руды и металлыThe data are presented on the geological and isotopic age of gold deposits of the Solovyovsky gold ore center in the Amur province, assigned to the gold-polymetallic, gold-sulfide-quartz, and gold-quartz formation types.
Stepanov V. A., Melnikov A. V.
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