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ANTONII [103]
3 years ago
13

Precambrian rocks were primarily which type of rock

Geography
2 answers:
Nimfa-mama [501]3 years ago
6 0
Metamorphic rock. Good Luck.
Ivanshal [37]3 years ago
5 0
Precambrian rocks<span> are mostly covered by rock systems of more recent origin, but where visible they commonly display evidence of having been altered by intense </span>metamorphism<span>. Precambrian rocks often occur in shields, which are large areas of relatively low elevation that form parts of continental masses.</span>
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