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S1 Rocks and Minerals 02: Rocks and the Rock Cycle
Transcript of S1 Rocks and Minerals 02: Rocks and the Rock Cycle
Images from Shutterstock.com Our first stop on our tour is the House Of Refuge. The House Of Refuge The House Of Refuge is a lighthouse used to guide ships and prevent shipwrecks for years but now it houses a museum and it is home to a piece of history for Florida. But it is home to something greater a cove of limestone which is a
sedimentary rock. Sedimentary rocks are rocks formed from the erosion and deposition of sediments form rocks. Most sedimentary rocks are made up of small or large pieces of other rocks that are layered together from pressure. Sedimentary rocks may also contain layers of different types of sediment. What are sedimentary rocks. Igneous rocks Igneous rocks are formed when magma cools and crystallizes. If the magma cools quickly on or near the Earth's surface, igneous rocks that form this way may look glassy. We will be visiting Florida and Hawaii on our tour for the different types of rocks. Where are we going Limestone Sandstone Next stop. Next on our trip is Hawaii. Hawaii and volcanoes Hawaii is home to some of the biggest non active and active volcanoes in the U.S.A. But it it home some cool metamorphic and igneous rocks. What are metamorphic rocks. Metamorphic rocks are formed when rocks and minerals are subjected to extreme changes in temperature and pressure. Instead of becoming magma, the rock internal atom arrangement changes so the rock becomes something new . Slate Marble Obsidian Granite