Mafic and Felsic Rocks

Is this igneous rock intrusive or extrusive?

• Intrusive

• Extrusive

Tags

NGSS.MS-ESS2-1

Is this igneous rock intrusive or extrusive?

• Intrusive

• Extrusive

Which igneous rock is made of 100% olivine?

• Obsidian

• Andesite

• Dunite

• Pegmatite

Tags

NGSS.MS-PS1-1

Is pumice mafic or felsic?

• Mafic

• Felsic

What is the difference between granite and pegmatite?

• Crystal size

• Composition

• Density

• Color

Which of the following is a fine-grained mafic igneous rock?

• Pegmatite

• Basalt

• Diorite

• Obsidian

A vesicular igneous rock is

• intrusive

• extrusive

Is this rock mafic or felsic?

• Mafic

• Felsic

Describe the mineral composition of the following igneous rock.

• felsic

• mafic

How is a Mafic Igneous Rock different from a Felsic Igneous Rock?

• It is more dense

• It is darker in color

• It is rich in Fe and Mg

• All the above