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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. 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 ]

  4. Ethical Oil - Wikipedia

    en.wikipedia.org/wiki/Ethical_Oil

    Ethical Oil: The Case for Canada's Oil Sands has popularized the concept of "ethical oil" as a neologism, giving ammunition to the Conservative government of Stephen Harper and providing the inspiration behind Alykhan Velshi's "EthicalOil" campaign in the United States and Canada. The Economist called Ethical Oil a "polemical defence of the tar ...

  5. Bitumen - Wikipedia

    en.wikipedia.org/wiki/Bitumen

    Bitumen also occurs in unconsolidated sandstones known as "oil sands" in Alberta, Canada, and the similar "tar sands" in Utah, US. The Canadian province of Alberta has most of the world's reserves, in three huge deposits covering 142,000 square kilometres (55,000 sq mi), an area larger than England or New York state .

  6. Tar sands - Wikipedia

    en.wikipedia.org/?title=Tar_sands&redirect=no

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  7. 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.

  8. How A Major Tar Sands Pipeline Project Threatens ... - AOL

    www.aol.com/news/major-tar-sands-pipeline...

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  9. 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]