In What Geologic Setting Have Precambrian Rocks Remained Largely Unchanged

question 3

Multiple Choice

In what geologic setting have Precambrian rocks remained largely unchanged for billions of years?

• A) at continent collision zones where the deep crust is exhumed and exposed through erosion
• B) protected within the interiors of the continents far from plate boundaries
• C) in Antarctica where there is very little to no erosion
• D) as metamorphic rocks that are too hard to be transformed

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