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Tar sands

Tar sands

Because of higher oil prices and new technology tar sand has become profitably extracted and upgraded to usable products. Tar sands are unconsolidated porous sands, sandstone rock and shale’s containing bituminous material that can be mined and converted to a liquid fuel. See Petroleum in the Eco fashion dictionary a-z.


ECO-FASHION-DENIM AND DIAGRAMS DICTIONARIES OVERVIEW

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