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Chemistry, 29.09.2019 09:50 heroxtree

Acalcium-rich nonfoliated rock that is often associated with economically valuable mineral deposits is
a. skarn
b. marble
c. phyllite
d. quartzite

which type of foliated metamorphic rock is an intermediate between slate and schist?
a. skarn
b. gneiss
c. phyllite
d. quartzite

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