Bituminous limestone

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Related to Bituminous limestone: Bituminous shale, bituminous coal
a mineral of a brown or black color, emitting an unpleasant smell when rubbed. That of Dalmatia is so charged with bitumen that it may be cut like soap.

See also: Bituminous

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The Cambrian part of the local succession consists of bituminous shale with subordinate beds and lenses of bituminous limestone (anthraconite, 'orsten'/'stinkstone'), belonging to the Alum Shale Formation (Figs 2A, B, 3; Westergard 1922).
Dasag's range of natural asphalt tiles continues a 100-year tradition that has seen finely ground bituminous limestone pressed into durable and elegant tiles.