When the magma solidifies with in the earth's crust it cools is called ___________.
Intrusive igneous rocks
Extrusive igneous rocks
Metamorphic rocks
None of these
__________ rocks are not crystalline.
Metamorphic
Igneous
Sedimentary
The word 'Igneous' is derived from the __________ word.
French
Roman
Latin
American
___________ rocks are associated with volcanic activity.
___________ are light in weight.
Basic igneous rocks
Acid igneous rocks
___________ are hard and resistant to erosion.
Igneous rocks
Sedimentary rocks
__________ rocks are less affected by chemical weathering.
____________ are aggregates of mineral elements.
Rocks
Mountains
Plains
__________ may be exposed to earth's surface through continued erosion.
Sills
Dykes
Batholiths
Necks
____________ are deep seated intrusion of igneous rocks.
Laccoliths