tar sand

tar sand


Definition of TAR SAND

:  a natural impregnation of sand or sandstone with petroleum from which the lighter portions have escaped

First Known Use of TAR SAND


tar sand

noun    (Concise Encyclopedia)

Deposit of loose sand or partially consolidated sandstone that is saturated with highly viscous bitumen. Oil recovered from tar sands, commonly referred to as synthetic crude, is a potentially significant form of fossil fuel. The largest known deposits of tar sands occur in Canada's Athabasca River valley, where commercial projects for synthetic oil production from tar sands are being carried out.

Variants of TAR SAND

tar sand or bituminous sand


Next Word in the Dictionary: tarsia
Previous Word in the Dictionary: tarsal pad
All Words Near: tar sand

Seen & Heard

What made you want to look up tar sand? Please tell us where you read or heard it (including the quote, if possible).