What is original or preexisting rock called
Answers
Answered by
1
Answer:
The original rock, or protolith, is subjected to heat and pressure which cause physical, chemical and mineralogical changes to the rock. Protoliths may be igneous, sedimentary or pre-existing metamorphic rocks. Metamorphic rocks are formed within the Earth's crust.
Answered by
2
Answer:
The original rock, or protolith, is subjected to heat and pressure which cause physical, chemical and mineralogical changes to the rock. Protoliths may be igneous, sedimentary or pre-existing metamorphic rocks. Metamorphic rocks are formed within the Earth's crust
Similar questions