Which texture would be most unlikely to occur in an extrusive igneous rock?
A)pyroclastic
B)glassy
C)aphanitic
D)phaneritic

Question

Quizplus · Accepted Answer

Phaneritic texture is typically associated with intrusive igneous rocks that cool slowly beneath the Earth's surface, allowing mineral crystals to grow to visible sizes. Extrusive igneous rocks cool quickly on the Earth's surface and do not have time for mineral crystals to grow to visible sizes. Pyroclastic and glassy textures are possible in extrusive igneous rocks, while aphanitic texture is most common, but visible mineral crystals are unlikely.

Which Texture Would Be Most Unlikely to Occur in an Extrusive