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Results 11 - 20 of 38 for Gravel
  • Article - 23 Aug 2019
    In this article, we explore the ways in which water contaminated by mining can be purified and altered in order to make it drinkable.
  • Article - 23 Nov 2017
    The extraction of sand, gravel, oil and gas from seas has taken place for several decades, however recent discoveries of other rich mineral deposits on the seafloor, in addition to advancing...
  • Article - 13 Nov 2013
    Gold is an extremely rare ore. Geological survey reports state that the average concentration of gold in the Earth’s crust is only 0.005 ppm. It is found in rocks at very low concentrations.
  • Article - 12 Nov 2013
    As nearly 70% of the earth’s surface is made up of water and mineral resources are severely depleted on land, several mining companies are exploring the concept of deep sea mining.
  • Article - 11 Sep 2012
    Iceland is an island country located in Northern Europe to the northwest of the United Kingdom. The total area of the country is 103,000 km2, and it has a small population of 313,183 as of July 2012....
  • Article - 4 Sep 2012
    Denmark is located in Northern Europe bordering the Baltic Sea and the North Sea. Several major islands such as Fyn, Sjaelland, and Bornholm are also part of the country’s territories.
  • Article - 16 Aug 2012
    Lesotho is a land-locked country surrounded by South Africa with a total area of 30,355 km2. The total population of the country is 1,930,493 according to 2010 reports.
  • Article - 9 Aug 2012
    Suriname covers an area of 163,820 km2 and its total population is 597,927 according to 2018 estimates.
  • Article - 5 Nov 2012
    Cambodia, with a total population of 14,952,665 as of July 2010, is located in Southeastern Asia, bordering the Gulf of Thailand, between Thailand, Vietnam, and Laos.
  • Article - 24 Oct 2012
    Guinea-Bissau, with a total population of 1,628,603 as of July 2012, is located in Western Africa, bordering the North Atlantic Ocean, between Guinea and Senegal. The country mostly has a tropical...

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