enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Heavy mineral sands ore deposits - Wikipedia

    en.wikipedia.org/wiki/Heavy_mineral_sands_ore...

    Geelwal Karoo mineral sand deposit, on the west coast of South Africa. Tectonic activity, which results in coastlines rising from the ocean, may also cause a beach system to become stranded above the high-water mark and lock in the heavy mineral sands. Similarly, a beach system that is drowned by the subsidence of a coastline may be preserved ...

  3. Geology of Tanzania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Tanzania

    Of these, about 20% contain diamonds. Approximately 70 tons of gold have been produced Archean rocks, near Geita on Lake Victoria as well as Proterozoic rocks in the Mpanda and Lupa districts. [4] Tanzania has some of the largest coal deposits in East Africa. A coal mine at Kiwira, close to Lake Nyasa produces 35,000 tons of coal per year. The ...

  4. Lagos Lagoon - Wikipedia

    en.wikipedia.org/wiki/Lagos_Lagoon

    According to WHO and Africa UN Environment, Lagos Lagoon is the most polluted African ecosystem with its major wastes coming from oil and textile industry as well as urban sewage carried by the Ogun and Osun rivers. [4] Excessive fishing activities, sand mining and dredging, also contribute to the degradation of the Lagoon's ecosystem. [4]

  5. Lake Victoria - Wikipedia

    en.wikipedia.org/wiki/Lake_Victoria

    Victoria Nyanza. The black line indicates Stanley's route. Lake Victoria is one of the African Great Lakes.With a surface area of approximately 59,947 km 2 (23,146 sq mi), [6] [7] [page needed] Lake Victoria is Africa's largest lake by area, the world's largest tropical lake, [8] and the world's second-largest fresh water lake by surface area after Lake Superior in North America. [9]

  6. List of fossil sites - Wikipedia

    en.wikipedia.org/wiki/List_of_fossil_sites

    This list of fossil sites is a worldwide list of localities known well for the presence of fossils.Some entries in this list are notable for a single, unique find, while others are notable for the large number of fossils found there.

  7. Geology of Namibia - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Namibia

    Almost the entire coastline is covered by exploration and mining licenses. Offshore mining techniques have been pioneered in Namibia and the country has firmly been established as the world leader in marine diamond mining. Inland, in the vicinity of Gibeon, 60 barren pipes of kimberlite of post-Karoo age have been identified. The northeast of ...

  8. Ukerewe Island - Wikipedia

    en.wikipedia.org/wiki/Ukerewe_Island

    With an area of 530 km 2 (200 sq mi), it is also the largest island in Lake Victoria and the largest lake island in Africa. [2] Ukerewe Island is located in the Ukerewe District of Mwanza Region in the great lakes area of Tanzania, 45 km (28 mi) north of the city of Mwanza to which it is linked by ferry. [3] A ferry crossing of 3.8 km (2.4 mi ...

  9. Geology of Senegal - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Senegal

    The carbonate-hosted Faleme iron deposit contains 800 million tons of ore, in one of the largest Paleoproterozoic deposits in Africa. Magnetite and iron hydroxide in the formation is up to 60 percent pure iron. Diamonds are found in the Faleme River and the Gambia River and prospecting for titanium-bearing sands began in the 1980s.