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TAR SAND Definition & Meaning | Dictionary.com

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tar sand

noun

Geology.
  1. bituminous sand or sandstone from which asphalt can be obtained.


tar sand

noun

  1. a sandstone in which hydrocarbons have been trapped; the lighter compounds evaporate, leaving a residue of asphalt in the rock pores
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of tar sand1

First recorded in 1895–1900

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