Answer:
Basaltic magma -- SiO2 45-55 wt%, high in Fe, Mg, Ca, low in K, Na
Andesitic magma -- SiO2 55-65 wt%, intermediate. in Fe, Mg, Ca, Na, K
Rhyolitic magma -- SiO2 65-75%, low in Fe, Mg, Ca, high in K, Na
Explanation:
Metamorphic rock that is formed in deep in the faults is mylonite. It is a cataclastic metamorphic rock. Usually they are fine-grained, occasionally can be glassy, that are layered or streaky, with the layers and streaks being drawn by the ductile shear.
False only two sides are congruent
