When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Iron oxide copper gold ore deposits - Wikipedia

    en.wikipedia.org/wiki/Iron_oxide_copper_gold_ore...

    Marcona Mine 1,400 million tonnes iron ore; Pampa de Pongo 1,000 million tonnes 75% magnetite; Mina Justa copper-gold deposit [14] Some authors (e.g., Skirrow et al. 2004) consider the iron ore deposits of Kiruna, Sweden as being IOCG deposits. Similar styles of fault-hosted magnetite-hematite breccias with minor copper-gold mineralisation and ...

  3. Canadian Shield - Wikipedia

    en.wikipedia.org/wiki/Canadian_Shield

    The Canadian Shield is a collage of Archean plates and accreted juvenile arc terranes and sedimentary basins of the Proterozoic Eon that were progressively amalgamated during the interval 2.45–1.24 Ga, with the most substantial growth period occurring during the Trans-Hudson orogeny, between c. 1.90–1.80 Ga. [5] The Canadian Shield was the ...

  4. Orapa diamond mine - Wikipedia

    en.wikipedia.org/wiki/Orapa_diamond_mine

    The Orapa diamond mine is the world's largest diamond mine by area. The mine is located in Orapa, a town in the Central District of Botswana about 240 km (150 mi) west of the city of Francistown. Orapa ("resting place for lions") is owned by Debswana, a partnership between the De Beers company and the government of Botswana. [1]

  5. Gold mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_the_United...

    The mine produced 366,000 troy ounces (11,400 kg) of gold through 1959. [14] The last gold mine to operate in Arizona was the Gold Road mine at Oatman, which shut down in 1998. Patriot Gold is exploration drilling at the Moss mine at Oatman. [15] In 2006, all of Arizona's gold production came as a byproduct of copper mining.

  6. Indiana - Wikipedia

    en.wikipedia.org/wiki/Indiana

    Indiana (/ ˌ ɪ n d i ˈ æ n ə / ⓘ IN-dee-AN-ə) [15] is a state in the Midwestern region of the United States.It borders Lake Michigan to the northwest, Michigan to the north and northeast, Ohio to the east, the Ohio River and Kentucky to the south and southeast, and the Wabash River and Illinois to the west.

  7. Deep sea mining - Wikipedia

    en.wikipedia.org/wiki/Deep_sea_mining

    Deep-sea mining is not governed by a universal legal framework. Various norms and regulations have emerged both at an international level and within individual countries. The United Nations Convention on the Law of the Sea (UNCLOS) sets the overarching framework. The United States did not ratify the founding treaty. [93]

  8. Cullinan Diamond - Wikipedia

    en.wikipedia.org/wiki/Cullinan_Diamond

    The Cullinan Diamond is the largest gem-quality rough diamond ever found, [2] weighing 3,106 carats (621.20 g), discovered at the Premier No.2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan , the owner of the mine.

  9. Simi Valley, California - Wikipedia

    en.wikipedia.org/wiki/Simi_Valley,_California

    Simi Valley is located at 34°16'16" North, 118°44'22" West (34.271078, −118.739428) [45] with an elevation of 700–1,000 ft (210–300 m) above sea level. The syncline [ 46 ] Simi Valley is located in the western part of the region called the Transverse Ranges . [ 47 ]