Petrology

[Pe*trolĀ·o*gy]

The branch of geology that studies rocks: their origin and formation and mineral composition and classification

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The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.

Noun
the branch of geology that studies rocks: their origin and formation and composition


n.
The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.

n.
A treatise on petrology.


Petrology

Pe*trol"o*gy , n. [Petro + -logy.] 1. The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology. 2. A treatise on petrology.

The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.

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