Mineral mining

Mineral mining

The extraction of valuable minerals or other geological materials from the earth for economic interests.

Industry: Mining

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Mineral mining

Capped fuse

Mining; General mining

A length of safety fuse to which a blasting cap has been attached.

Ultramarine yellow

Mining; General mining

A lemon-yellow pigment consisting of barium chromate.

Open-top tubbing

Mining; General mining

A length of tubbing having no wedging crib on the top of it.

Coquinoid limestone

Mining; General mining

A limestone consisting of coarse, unsorted, and often unbroken shelly materials that have accumulated in place without subsequent transportation or agitation, and generally having a fine-grained ...

Algal limestone

Mining; General mining

A limestone composed largely of the remains of calcium-carbonate-producing algae, or one in which such algae bind together the fragments of other calcium-carbonateproducing forms.

Reef limestone

Mining; General mining

A limestone consisting of the remains of active reef-building organisms, such as corals, sponges, and bryozoans, and of sediment-binding organic constituents, such as calcareous algae.