Finer grained igneous rocks tend to be ___because ___ .
A)intrusive;the faster cooling of magma limits time for crystals to form
B)extrusive;the faster cooling of lava limits time for crystals to form
C)extrusive;the slower cooling of lava limits time for crystals to form
D)either intrusive or extrusive;the faster cooling of magma and lava limits time for crystals to form
E)intrusive;slower cooling of magma limits time for crystals to form

Question

Quizplus · Accepted Answer

Finer grained igneous rocks are typically extrusive because they form from lava that cools quickly on the Earth's surface, limiting the time available for crystals to grow.

Finer Grained Igneous Rocks Tend to Be ___Because ___

Finer Grained Igneous Rocks Tend to Be _Because _