rocks - created from Mind Map

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metamorphic

sedimentary

igneous

Marble

slate

Formed by immense heat on limestone

a pale rough rock with large crystals through out

formed by volcanic ash being compacted

dark smooth rock easily split between the layers

limestone

sandstone

formed by dead fish sediment that is compacted

white rough and crumbly rock

formed by rock sediment being compressed

rough and crumbly

granite

basalt

formed by lava cooling under gound

has large crystals of various colours

an example is the Mourne mountains

Formed by lava cooling above the surface

a hard dense rock with little or no crystals

An example is the giants causeway