Igneous Rocks

Front

What is the texture of an igneous rock with grain size < 1mm?

Back

Fine

Front

What type of environment does extrusive igneous rock form in?

Back

Extrusive

Front

What is the rate of cooling for igneous rocks with grain size 1-10 mm?

Back

Slow cooling

Front

What is the mineral composition of mafic igneous rocks?

Back

Mafic

Front

What type of rock is formed from the solidification of magma or lava?

Back

Igneous

Front

What is the texture of an igneous rock with a glassy appearance?

Back

Glassy

Front

What type of igneous rock forms from lava that cools quickly on the Earth's surface?

Back

Extrusive igneous rock

Front

What is the difference between felsic and mafic igneous rocks?

Back

Felsic rocks are rich in silica and light-colored, while mafic rocks are rich in iron and magnesium and darker in color.

Front

What is the cooling rate of intrusive igneous rocks?

Back

Slow cooling

Front

What is the term for the process of magma cooling and solidifying to form igneous rock?

Back

Crystallization