It has a generally higher grade of metamorphism than the Saxothuringian Zone to the northwest.
2.
Rocks comprising the Slave province represent a high grade of metamorphism, intrusion and basement remobilization typical of Archean terranes.
3.
Except for the sedimentary rocks mentioned above, most of the Mesozoic-age rocks in preserved in Southern California display intermediate to high grades of metamorphism, typical of material that may have been buried to mid-crustal depths ( probably in a range of 10 to 20 kilometers ).
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