Main UK rock types Flashcards
1
Q
what are the 3 rocks?
A
sedimentary , igneous , metamorphic
2
Q
examples of sedimentary
A
chalk , sandstone
3
Q
examples of igneous
A
granite , basalt
4
Q
examples of metamorphic
A
schist , slate
5
Q
how are sedimentary rocks formed ?
A
in layers called beds
6
Q
how are igneous rocks formed ?
A
are hard formed of crystals, impermeable
7
Q
how are metamorphic rocks formed ?
A
great heat and pressure