Question

Which of the following is an example of extrusive rock that has cooled too quickly for grains to form? a. Volcanic glass b. Basaltic rock c. Granitic rock d. All of the above

Answer 1

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$<marquee> THE CORRECT ANSWER IS OPTION (B) - BASALTIC ROCK$

Answer 2

b.Basaltic rock is an extrusive rock that has cooled too quickly for grains to form.

It is an extrusive igneous rock which has solidified from magma above ground.

It is comparatively high in heavier element content, particularly magnesium and iron.

Basalt is heavier and darker as compared to felsic extrusive igneous rocks, like rhyolite.