Contact breccia

Contact breccia

A breccia around an igneous intrusion, caused by wall-rock fragmentation and consisting of both intrusive material and wall rock; intrusion breccia. Compare: agmatite.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Mining
Category: General mining; Mineral mining
Government Agency: USBM
Product: Dictionary of Mining, Mineral, & Related Terms - 2nd Edition
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Related terms

contact breccia

Mining; General mining; Mineral mining

A breccia around an igneous intrusion, caused by wall-rock fragmentation and consisting of both intrusive material and wall rock; intrusion breccia. Compare: agmatite.

breccia

Astronomy; Moon

A composite rock found on the moon and formed from small pieces of different materials, minerals and fragments of other rocks. Breccia is also found on the earth.

breccia

Astronomy; Planetary science

Consolidated, fragmental rock consisting of rock, mineral, or glass fragments (also called clasts) embedded in a fine-grained matrix. (See also monomict and polymict. )

breccia

Science;

Rock that is composed of fragments of other rocks cemented together, often in a matrix of finer sediment.

breccia

Earth science; Soil science

A coarse grained, clastic rock composed of angular fragments (>2mm) bonded by a mineral cement or in a finer-grained matrix of varying composition and origin.

breccia

Earth science; Geology

A clastic rock in which the gravel-sized particles are angular in shape and make up an appreciable volume of the rock.

asteroid mining

Mining; General mining

The future industry of sending spacecraft to asteroids in order to harvest their natural resources and bring them back to civilization for use. On April 24th 2012, the first real ...