Pencil cleavage

Pencil cleavage in geology refers to a cleavage in rock such that long, slender, pencil-shaped fragments of rock are created by fracturing during the weathering of a sedimentary rock. Pencil cleavage is usually associated with rock units that contain high angle of intersection between cleavages, such as a diagentic cleavage and a later tectonic cleavage.

单词	Pencil cleavage
释义	Pencil cleavage 英语百科 Pencil cleavage Pencil cleavage in geology refers to a cleavage in rock such that long, slender, pencil-shaped fragments of rock are created by fracturing during the weathering of a sedimentary rock. Pencil cleavage is usually associated with rock units that contain high angle of intersection between cleavages, such as a diagentic cleavage and a later tectonic cleavage.
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