Intrusive igneous rocks have:
Large mineral grains
Small mineral grains
What are the two types of igneous rocks?
intrusive and extrusive
foliated and nonfoliated
Which igneous rock is ligher in color and has high silica content?
Granite
Basalt
Extrusive igneous rocks have:
Large mineral grains
Small/no mineral grains
Intrusive igneous rocks form from:
Magma inside the Earth
Lava on Earth's surface
Which igneous rock is darker in color and has lower silica content?
Granite
Basalt
Extrusive igneous rock forms from lava on Earth's surface cooling:
Quickly
Slowly
Slowly cooling magma makes what type of mineral grains?
Large
Small
Intrusive igneous rocks form when magma cools:
Quickly
Slowly
Fast cooling lava forms what type of mineral grains?
Large
Small or non