Magma that cools slowly underground forms solid intrusive igneous rock.Īreas of rock can move slowly upwards, pushed up by pressure of the rocks forming underneath. When the magma (lava) cools quickly, it turns into solid extrusive igneous rock. Pressure can force magma out of the ground, creating a volcano. Magma also comes from deeper inside the Earth, from a region called the mantle. Rocks underground that get heated so much they melt turn into magma. each of the main processes in the rock cycle, including: Sedimentary rock from. Rocks underground get heated and put under pressure, and are changed into metamorphic rock. This describes the rock cycle in terms of products and processes. Rock particles are deposited in lakes and seas.Ĭompaction and cementation presses the layers and sticks the particles together. Rivers and streams transport rock particles to other places. Wind and water move the broken rock particles away. There are three types of weathering (biological physical and chemical). Weathering breaks down rocks on the surface of the Earth. The processes in the rock cycle are summarised in this diagram: Letter Many routes through the rock cycle are possible. The pieces of rock could be deposited in a lake or sea, eventually forming new sedimentary rock. These can be weathered, eroded, and the pieces transported away. įor example, sedimentary rocks can be changed into metamorphic rocks. The rocks are gradually recycled over millions of years. They are continually changing because of processes such as weathering, erosion and large earth movements. The Earth's rocks do not stay the same forever. The late 60s biker atmosphere appears most in 'Eye Drop Jimmy' and 'Go Fast Turn Left,' my two favourite tracks on the album. Vocabulary Words: Composition Erosion Geology Igneous Rock Lava Magma Metamorphic Rock Metamorphism Mineral Rock. #KEY WORDS ROCK CYCLES MOVIE#
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