Dictionary

petrogenesis

noun pet·ro·gen·e·sis \ˌpe-trō-ˈje-nə-səs\

Definition of PETROGENESIS

:  the origin or formation of rocks
pet·ro·ge·net·ic \-jə-ˈne-tik\ adjective
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Origin of PETROGENESIS

New Latin
First Known Use: 1901

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