Magma Igneous Rocks, and Intrusive Activity Flashcards
1
Q
What is a rock?
A
any naturally occurring solid mass or aggregate of minerals or mineraloid matter
2
Q
Four categories of Igneous rocks
A
Ultamafic
mafic
intermediate
felsic
3
Q
What is mafic?
A
rich in magnesium and iron
4
Q
What is felsic?
A
are enriched in the lighter element like silica, oxygen, aluminum, sodium, and potassium
5
Q
What is ultramafic?
A
rocks of dark colored containing magnesium and iron
6
Q
How are Igneous rocks formed?
A
formed when liquid rock freezes into a solid rock.
7
Q
What is magma?
A
molten and semi-molten rock mixture found under the surface of the earth
8
Q
What is lava?
A
magma that is ejected by a volcano or other vent
9
Q
A
