noun
- Plural of petrogenesis; the process of rock formation and the origin and development of igneous rocks.
Usage: geology; technical
Examples
- Geologists study the petrogeneses of volcanic rocks to understand magma composition.
- The petrogeneses of granite and basalt differ significantly in temperature and pressure conditions.
- Understanding petrogeneses helps explain the distribution of mineral deposits worldwide.
- Different petrogeneses can produce rocks with similar mineral compositions but distinct textures.
- The course covered the petrogeneses of major rock types found in the continental crust.