Question

explain the features of primary rocks​

Answer 1

Answer:

Primary rock is an early term in geology that refers to crystalline rock formed first in geologic time,[1] containing no organic remains, such as granite, gneiss and schist as well as igneous and magmatic formations from all ages. Webster's Revised Unabridged Dictionary published in 1913[2] provides the following term as used in geology:

Answer 2

Answer:

Primary rocks a term early used for rocks supposed to have been first formed,being crystalline and containing no organic remains,as granite,gneiss

etc.

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