shale Meaning and Definition
ایک قسم کا پرت دار سلیٹی پتھر
aik qisam ka parat daar slaty pathar
1. n. a sedimentary rock formed by the deposition of successive layers of clay
Shale is a fine-grained, clastic sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite.
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