Lava that cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a _____ texture.
porphyritic
glassy
coarse-grained
fine-grained

Question

Lava that cools so quickly that ions do not have time to arrange themselves into crystals will form igneous rocks with a _____ texture. 
porphyritic
glassy
coarse-grained
fine-grained

anonymous · Answer

I think it's glassy.

anonymous · Answer

oh, I just checked,  it of course is glassy.

anonymous · Answer

Yeah, either glassy or fine-grained. It depends on what it starts as.

anonymous · Answer

okay thanks

anonymous · Answer

Though, that "...do not have time to arrange themselves into crystals..." part really makes it seem like glassy is the best option.