Complex experienced regional metamorphism in the early Paleozoic.
2.
Where both heat and pressure play a role, the mechanism is termed regional metamorphism.
3.
The zeolite facies is generally considered to be transitional between orogenic regional metamorphism are not required.
4.
Basement rock was formed during the Hercynian orogeny when a strong regional metamorphism affected the area.
5.
Greenschist alteration is in keeping with the regional metamorphism that is characteristic of Welsh Neoproterozoic rocks.
6.
Regional metamorphism has converted the shale to a low greenschist facies, where clay is converted to chlorite.
7.
The area was subjected to the Nanao Orogeny around 85 Ma which involved the granite intrusion and regional metamorphism.
8.
Such early alteration is possible but most of the effects are now interpreted to be a result of regional metamorphism.
9.
The main regional metamorphism in the LHC is related to continent-continent collision between portions of the Gondwana supercontinent.
10.
Coesite occasionally occurs associated with eclogites formed during very high pressure regional metamorphism but was first discovered in a meteorite crater in 1960.
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