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  2. Oil sands - Wikipedia

    en.wikipedia.org/wiki/Oil_sands

    The name tar sands was applied to bituminous sands in the late 19th and early 20th century. [18] People who saw the bituminous sands during this period were familiar with the large amounts of tar residue produced in urban areas as a by-product of the manufacture of coal gas for urban heating and lighting. [19]

  3. Tar pit - Wikipedia

    en.wikipedia.org/wiki/Tar_pit

    This is the only reported instance of human remains found within tar pits. [25] For thousands of years, Native Americans used tar from the La Brea Tar Pits as an adhesive and binding agent. [1] They would use it as waterproof caulking to line their boats and baskets.

  4. Tundra of North America - Wikipedia

    en.wikipedia.org/wiki/Tundra_of_North_America

    Oil sands, often pejoratively referred to as tar sands, are a phenomenon unique to the tundra environment and are profitable and plentiful in the Athabasca region of the Alberta sands. [16] Oil sands consist of bitumen, which contains petroleum, found in a natural state combined with clays, sands, and water. [ 16 ]

  5. Tar - Wikipedia

    en.wikipedia.org/wiki/Tar

    One can produce a tar-like substance from corn stalks by heating them in a microwave oven. This process is known as pyrolysis. Tar is a dark brown or black viscous liquid of hydrocarbons and free carbon, obtained from a wide variety of organic materials through destructive distillation. Tar can be produced from coal, wood, petroleum, or peat. [1]

  6. Athabasca oil sands - Wikipedia

    en.wikipedia.org/wiki/Athabasca_oil_sands

    The Athabasca oil sands, also known as the Athabasca tar sands, are large deposits of oil sands rich in bitumen, a heavy and viscous form of petroleum, in northeastern Alberta, Canada. These reserves are one of the largest sources of unconventional oil in the world, making Canada a significant player in the global energy market.

  7. Resource depletion - Wikipedia

    en.wikipedia.org/wiki/Resource_depletion

    The use of either of these forms of resources beyond their rate of replacement is considered to be resource depletion. [1] The value of a resource is a direct result of its availability in nature and the cost of extracting the resource. The more a resource is depleted the more the value of the resource increases. [2]

  8. Environmental issues in Canada - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in_Canada

    Tar sands can be described as areas on land containing an unconventional mixture of sand, clay, water, and a petroleum based residue called bitumen, that is useful to produce crude oil. [48] In the NDRC article it mentions that Canada is currently one of the largest depositors of crude oil in the world.

  9. Melville Island oil sands - Wikipedia

    en.wikipedia.org/wiki/Melville_Island_oil_sands

    The Melville Island oil sands are a large deposit of oil sands (sometimes referred to as tar sands) on Melville Island in the Canadian Arctic Archipelago. [ 1 ] [ 2 ] Exploration for petroleum deposits in the Canadian Arctic Archipelago began, on Melville Island, in 1961. [ 3 ]