contestada

How does granite differ from gabbro in coloring and
silica content?
A. Granite is lighter colored with higher silica
content.
B. Granite is darker colored with lower silica
content.
C. Granite is darker colored with higher silica
content.
D. Granite is lighter colored with lower silica
content.

Respuesta :

kristel27

Explanation:

Igneous rocks are formed by the crystallisation of a magma. The difference between granites and basalts is in silica content and their rates of cooling. A basalt is about 53% SiO2, whereas granite is 73%. Intrusive, slowly cooled inside the crust.

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