Oil sandsWikipedia

2021-3-26 · Oil sands, tar sands, crude bitumen, or bituminous sands, are a type of unconventional petroleum deposit.Oil sands are either loose sands or partially consolidated sandstone containing a naturally occurring mixture of sand, clay, and water, soaked with bitumen, a dense and extremely viscous form of petroleum.. Signficant bitumen deposits are reported in Canada, Kazakhstan, Russia, and

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