protolith

English edit

English Wikipedia has an article on:

protolith

Etymology edit

proto- +‎ -lith

Pronunciation edit

(US) IPA^(key): /ˈpɹoʊ.təˌlɪθ/

Noun edit

protolith (plural protoliths)

(geology) The original precursor of any specified metamorphic rock

Derived terms edit

protolithic

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