Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The branch of petrology that deals with the origin of rocks, especially igneous rocks.
from The Century Dictionary.
- noun The origination of rocks, generally or collectively considered.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The branch of
petrology dealing with theorigin ofigneous rocks
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
petro- + -genesis
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Examples
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The scientific research carried out on the site has made an important contribution to petrogenesis over a period of nearly 300 years, marking it as a site of great international significance in the history of earth science.
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