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socials g9 rocks

rocks stack 1

give two examples of metamorphic rocks? Marble and gneiss.
What are the three characteristics of metamorphic rocks? Very dense, Melding of minerals and resistint to erosion.
How are metamorphic rocks formed? Metamorphic rocks are formed when pre-existing rocks are subjected to great heat and pressure resulting in a signifigant chamge in the rocls structure.
What are three examples of metamorphic rocks changing? limestone becomes marblegranite becomes gneiss shale becomes slate.
What are the 4 characteristics of sedimantary rocks? Not interlocking, distinct layering, less resistent to erosion and may contain fossils.
What are 4 examples of sedimentary rocks? Sandstone, limestone, coal and siltstone.
How are sedimentary rocks formed? Sedimentary rocks are formed when the agents of erosion breakdown pre-existing rocks into sediments which are subsequently deposited, compressed and cemented together.
Created by: montykfb