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tar sand
noun
, Geology.
- bituminous sand or sandstone from which asphalt can be obtained.
tar sand
noun
- a sandstone in which hydrocarbons have been trapped; the lighter compounds evaporate, leaving a residue of asphalt in the rock pores
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Word History and Origins
Origin of tar sand1
First recorded in 1895–1900
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Example Sentences
The Canadian tar sand deposits exist under an area of forest and wetland the size of Florida.
From The Daily Beast
Massive trucks 20 feet tall rumble into the mine empty and return with 400 tons of tar sand.
From The Daily Beast
It was in some sort of tar sand, of which we have seen a good deal on our journey.
From Project Gutenberg
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