Bituminiferous

Bi`tu`mi`nif´er`ous

Producing bitumen.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

References in periodicals archive ?

The ME is built up from dark-brown clays, bituminiferous marls and slates with sandstone inter-layers.

The Middle Eocene (ME) is built up from dark-brown clays, bituminiferous marls and slates with sandstone inter-layers.

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