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 ?
There was a 30 to 40 pound asphalt rock roughly twice the size of Adria's skull lying partially on Adria's left arm.
You should save your aggregate for concrete and asphalt rock; it's a higher value, and you get a higher price.
The 12th hole (par 4, 342 yards) has a natural narrowness to it to set up what Nicklaus called a `neat-looking tee shot.' 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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