Essays about: "metals and mining"

Showing result 1 - 5 of 45 essays containing the words metals and mining.

  1. 1. Distribution and mobilization of heavy metals at an acid mine drainage-affected region, South China

    University essay from Linköpings universitet/Tema Miljöförändring

    Author : Chen Luo; [2020]
    Keywords : acid mine drainage; arsenic; cadmium; geochemical modeling; heavy metals; lead; principal component analysis;

    Abstract : Dabaoshan Mine Site (DMS) is the biggest polymetallic mine in South China. The Hengshi River receives acid mine drain (AMD) waste leaching from the tailings pond and run-off from the treatment plant which flows into the Wengjiang River, Beijiang River, before discharging into the Pearl River. READ MORE

  2. 2. Flotation of Yxsjöberg historical tungsten ore tailings

    University essay from Luleå tekniska universitet/Mineralteknik och metallurgi

    Author : Princess Rochelle Gan; [2019]
    Keywords : ;

    Abstract : Tailings dams, due to their sheer size and metal content, pose safety and environmental hazards. The Småltjarnen repository, which hosts material from the largest known tungsten mineralization in Sweden named the Yxsjöberg deposit, is estimated to contain 2. READ MORE

  3. 3. Mapping of contaminant dispersion from a polluted mining area by geochemical and geophysical methods, Rävlidmyran,northern Sweden : Use of geochemical and geophysical studies to investigate contaminants

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Astrid Theander; [2019]
    Keywords : ;

    Abstract : After open pit mining, the pit can either be backfilled or be filled with groundwater andbecome a pit lake. These lakes tend to be acidic and contains high concentrations ofmetals, which increases the environmental risks in the area. One of these pit lakes isRävlidmyran in the Skellefte ore district. READ MORE

  4. 4. Structural controls on the shear zone hosted, IOCG-style Kiskamavaara Cu-Co-Au mineralization

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Nicolai Metzger; [2019]
    Keywords : ;

    Abstract : Sweden is the largest producer of iron ore in the European Union, as well as amongst the top producers for base and precious metals. Much of its mineral wealth derives from northern Norrbotten, type locality of the Kiruna-type-magnetite-apatite ores. READ MORE

  5. 5. A water quality assessment and environmental impact analysis of the local mining along the Zambezi River in Tete, Mozambique

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Vibeke Johansson; [2019]
    Keywords : Water quality assessment; Zambezi river basin; Coal mining; Tete.; Technology and Engineering;

    Abstract : The access to safe and clean drinking water is a major concern throughout the world. The recent discovery of coal and gas in Mozambique has increased the economic growth lately and large international companies have been attracted to Tete province in central Mozambique. READ MORE