Results 21 to 30 of about 2,300,160 (396)
The importance of mineralogical knowledge in the sustainability of artisanal gold mining: a mid-south Peru case [PDF]
, 2019 Mineralogy and gold processing techniques from several mining areas of the Nazca-Ocoña gold belt, Mid-South Peru, were investigated to assess the efficiency of gold extraction methods in relation to their mineralogy.
Alfonso Abella, María Pura +7 more
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The metallogenic evolution of the Greater Antilles [PDF]
, 2011 The Greater Antilles host some of the world's most important deposits of bauxite and lateritic nickel as well as significant resources of gold and silver, copper, zinc, manganese, cobalt and chromium.
Lewis, J.F. +3 more
core +6 more sources
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.
doaj +1 more source
Deposits of gold-quartz formation in the Priamur province
Записки Горного института, 2017 A description of gold-quartz formation deposits in the Priamur gold province is presented. Prevalence of gold-quartz deposits defines metallogenic profile of the province and presence of numerous rich placers.
V. A. Stepanov, A. V. Mel'nikov
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Gold deposits of the Czech Republic from a mineral policy perspective [PDF]
, 2015 Gold production in the region that currently makes up the Czech Republic has a thousand-year-old tradition with peaks around the third century BC, 14th century AD and 20th century AD.
Janíková, Pavlína +5 more
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Witwatersrand composite paleoplacers
Известия высших учебных заведений: Геология и разведка, 2021 Background. The Witwatersrand gold province located in South Africa is the richest in the world. The Witwatersrand deposits are composite, where osmirids and diamonds are mined along with gold, silver and uranium.
V. A. Stepanov
doaj +1 more source
Gold and Greater Britain: Jevons, Trollope, and Settler Colonialism [PDF]
, 2016 The Australian gold rushes of the 1850s provide an exemplary test case for exploring the impact of Greater Britain—the settler colonial empire—on the Victorian novel and political economy.
Philip Steer
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Multistage gold deposition in the Archaean Maria Lázara gold deposit (Goiás, Brazil)
Mineralium Deposita, 1994 The Maria Lazara gold deposit in the Archaean Guarinos greenstone belt, central Brazil, consists of quartz-carbonate veins formed in a ductile shear zone. Study of the sulphides and gold-bearing quartz-carbonate veins and veinlets of the potassic hydrothermal alteration zone reveals two stages of ore paragenesis.
Michel, D. +3 more
openaire +2 more sources
China Geology, 2020 : Gold, iron, copper, lead-zinc and other mineral exploration in West Tianshan, Xinjiang Uygur Autonomous Region, has made remarkable progress in recent years.
Xue-zhong Yu +5 more
doaj +1 more source
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
doaj +1 more source