Results 41 to 50 of about 1,767,928 (381)

Experimental study on mineral processing of shallow oxidation ore in a hydrothermal metasamatic sulfide gold mine [PDF]

E3S Web of Conferences
The ore produced by a gold mine in Fujian province belongs to hydrothermal metasomatism sulfide type gold (silver) ore, and the shallow oxidized ore of the deposit has a gold grade of 0.91g/t. In order to understand the selectability of this oxidized ore,
Qin Xiangwei, Li Guangsheng, Zhu Xingfu, Zhang Zhiming, Cai Mingming   +4 more
doaj   +1 more source

In-situ stress measurement and inversion analysis of the deep shaft project area in Sanshan Island based on hydraulic fracturing method

Dizhi lixue xuebao, 2023
The proposed 2000-meter-deep auxiliary shaft at the Xiling mine, Sanshan Island, Shandong Province, is an ultra-deep shaft construction project. Revealing the characteristics of the in-situ stress field in the shaft construction area is one of the ...
ZHU Mingde, WANG Zhaoya, ZHANG Yuezheng, LI Wenguang, HOU Kuikui, JI Hongguang, YIN Yantian, FU Zhen, HAO Yingjie   +8 more
doaj   +1 more source

Who owns the mud? Valuable leftovers, sociotechnical innovation and changing relations of production in artisanal gold mining (Burkina Faso)

Journal of Agrarian Change, 2021
The expansion of artisanal gold mining has contributed to agrarian change in most of the global South — including West Africa: the sector offers interesting examples of technological and socio-economic change, reflecting broader dynamics in the political
Cristiano Lanzano, Luigi Arnaldi di Balme   +1 more
semanticscholar   +1 more source

Eksternalitas Pertambangan Emas Rakyat di Kabupaten Buru Maluku [PDF]

, 2014
Gold mining carried out in the Buru Regency, “Gunung Botak”, has been held since 2012. The mining regulations are governed by local governments. The aims of this research were: 1) to identify and estimate the cost of gold mining transactions, 2) to ...
Anna, Z. (Zuzy), Kumala Putri, Eka Intan, Tuaputy, U. S. (Una)   +2 more
core   +2 more sources

History, Current Situation and Challenges of Gold Mining in Ecuador’s Litoral Region

Land, 2021
Gold mining in Ecuador has been present in the country since Inca times; over the years interest in the mineral has increased, leading to the creation of legislation to control the mining sector in a safe manner.
Carlos Mestanza-Ramón, Selene Paz-Mena, Carlos López-Paredes, Mirian Jimenez-Gutierrez, Greys Herrera-Morales, G. D’Orio, S. Straface   +6 more
semanticscholar   +1 more source

Eureka and beyond: mining's impact on African urbanisation [PDF]

, 2012
This collection brings separate literatures on mining and urbanisation together at a time when both artisanal and large-scale mining are expanding in many African economies. While much has been written about contestation over land and mineral rights, the
Anderson D.M., Appiah K.A., Bank L., Barnes T.J., Beall J., Bebbington A., Brands H.W., Bridge G., Bridge G., Bryceson D.F., Bryceson D.F., Bryceson D.F., Bryceson D.F., Bryceson D.F., Bryceson D.F., Buijtenhuis R., Carstens P., Cooper F., Coquery-Vidrovitch C., Danny MacKinnon, De Boeck F., De Boeck F., De Boeck F., Deborah Bryceson, Dore E., Duffy R., Emel J., Ferguson J., Freudenberg W.R., Freudenburg W.R., Freund W., Freund W.M., Gluckman M., Godfrey B.J., Grätz T., Harries P., Hilson G., Hilson G., Hilson G., Holliday J.S., Jeeves A., Johnston R.J., Jønsson J.B., Kirk J.F., Laverty J.R., Lawrie M., Le Billon P., Le Billon P., Luning S.W.J., Mabin A., Mabin A., Mkandawire T., Moodie T.D., Morris R.J., Morris R.J., O'Connor A., Parks R., Peters K., Potts D., Rajak D., Rakodi C., Richards P., Ross M., Saad E.N., Smith M.D., Storey K., Swanson M., Tonts M., Vennetier P., Verhoeve A., Walker R.A., Walsh A., Walsh A., Welsby D.A., Werthman K., Wilks I., Wilson L.J., Wolpe H.   +77 more
core   +5 more sources

“Illegal” Gold Mining Operations in Ghana: Implication for Climate-Smart Agriculture in Northwestern Ghana

Frontiers in Sustainable Food Systems, 2021
Globally, climate-smart agriculture is highly recognized as an approach for sustainable agriculture and food systems. In Africa and other developing countries, climate-smart agriculture is observed to reposition and modify agricultural systems for ...
Gordon Yenglier Yiridomoh
semanticscholar   +1 more source

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, Anticoi Sudzuki, Hernán Francisco, Bascompta Massanes, Marc, García-Vallès, Maite, Henao, Laura, Palacios Ubach, Silvia, Yubero de Mateo, Maria Teresa, Yáñez González, Juan Alberto   +7 more
core   +2 more sources

The impact of artisanal gold mining, ore processing and mineralization on water quality in Marmato, Colombia

Environmental Geochemistry and Health, 2021
Marmato, Colombia, has been an important centre of gold mining since before the first Spanish colonizers arrived in 1536. The Marmato deposit is hosted in a dacite and andesite porphyry stock as sheeted sulphide-rich veinlet systems.
K. Torrance, S. Redwood, A. Cecchi
semanticscholar   +1 more source

Research on the Efficient Recovery Technology of Gold Mineral in an Oxidized Ore [PDF]

E3S Web of Conferences
In view of the characteristics of high content of gold minerals in limonite and great difficulty of flotation recovery, the research on process mineralogy and efficient recovery technology was carried out respectively.
Ji Qiang, Li Guangsheng, Zhu Xingfu, Gao Tengyue, Cai Mingming   +4 more
doaj   +1 more source