Igneous Rocks

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

• igneous

• sedimentary

• metamorphic

• bioclastic

Where is magma located?

• above ground

• below ground

• in the stratosphere

• in the thermosphere

Where is lava located?

• above ground

• below ground

• in the core

• in the mantle

Describe the texture of the following igneous rock.

• smooth

• coarse

• vesicular

• glassy

Describe the texture of the following igneous rock.

• glassy

• rough

• vesicular

• coarse

Describe the texture of the following igneous rock (grain size 1-10 mm).

• vesicular

• glassy

• fine

• coarse

Describe the texture of the following igneous rock (grain size < 1mm).

• glassy

• fine

• coarse

• vesicular

Describe the mineral composition of the following igneous rock.

• felsic

• mafic

Describe the mineral composition of the following igneous rock.

• felsic

• mafic

Describe the environment of formation for the following igneous rock (grain size > 10 mm).

• intrusive

• extrusive