Gneiss, Granite and Gritstone
Metamorphic, Igneous and Sedimentary
Rock Cycle Review
Gneiss is a metamorphic rock, Granite is a Igneous rock, and Gritstone is a sedimentary rock. In the Rock Cycle Gneiss is made from Sedimentary Rock or Igneous rock. Granite is made from magma. and Gritstone is made up of sediment or broken down rock.
Gneiss (pronounced as the word 'nice') rock is a metamorphic rock. This rock is formed from metamorphism from granite, shale or diorite. Gneiss makes up of most of the lower crust. You can find Gneiss in mountains or where mountains used to be.
Granite is an igneous rock. This rock is formed by lava cooling over a long period of time. Granite is made of the minerals quartz, feldspar, micas and hornblende. You may be able to find Granite deep down is the magma.
Gritstone is a sedimentary rock. It is formed by sediment being compacted. You can find Gritstone in Peak District.