asphalt rock

asphalt rock

[′a‚sfȯlt ′räk]
(geology)
Natural asphalt-containing sandstone or dolomite. Also known as asphalt stone; bituminous rock; rock asphalt.
References in periodicals archive ?
The picturesque 13th hole follows, and the par-4, 378-yard layout is highlighted by an irrigation lake on the right and a large asphalt rock that outlines the back of the green and features a waterfall.

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