Torsion break

Torsion break

A break in the drill core caused by an accumulation of chips at the bit face. When drilling is stopped to rechuck, these chips grip the core, and the core is twisted and broken. Compare: torsion fracture.

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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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