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petrogenesis

Petrogenesis - What does it mean?

petrogenesis | |

Petrogenesis vs Retrogenesis - What's the difference?

petrogenesis | retrogenesis |


As nouns the difference between petrogenesis and retrogenesis

is that petrogenesis is the branch of petrology dealing with the origin of igneous rocks while retrogenesis is the degeneration of faculties in Alzheimer's disease in the reverse order of that in which they were developed as a child.