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Lexie Rock Cycle

Rock Cycle by: Lexie Adams

Lexie Adams

on 11 June 2012

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Transcript of Lexie Rock Cycle

The Rock Cycle Igneous BY: Lexie Igneous rock is formed by magma, lava or melted rock cooling and hardening . Granite Basalt Sedimentary Metamorphic Igneous rocks can be heated and compressed to make the metamorphic rock. Igneous rock can also be turned into sediment and then compacted into a sedimentary rock. Sedimentary rock is formed when rocks that already exist, erode and are turned into sediment and then are compacted together. Sedimentary rocks can be pressed and heated into metamorphic rock. Sedimentary rock can also be melted and then turned into magma and then cool and change into igneous rock. Obsidian Breccia Iron Ore Salt Rock Metamorphic rocks form when rocks are being heated and squeezed. Metamorphic rocks can be melted and turned into magma then harden and cool and transform into igneoous rock. Marble Phyllite Quartzite Metamorphic rocks can also be changed by turning into sediment that can be compacted and turned into sedimenary rock. The Rock Cycle Did you know that metamorphic rocks begin to form at 12-16 kilometers (7.5 - 10 miles) beneath the surface of the earth? Did you know Igneous rocks are the oldest rocks?
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