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The Rock Cycle

The Rock Cycle is a model that illustrates the interconnections between the three main types of rock: igneous, sedimentary, and metamorphic. It explains how these rock types are formed and how they can transform into one another through various geological processes. Any rock type can change into another without a specific sequence. Key processes include the transformation of igneous rocks into metamorphic rocks under heat and pressure, and sedimentary rocks forming from weathered materials. This guide covers the necessary conditions required for each type of rock to transition.

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The Rock Cycle

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  1. The Rock Cycle How it all comes together!

  2. III. The Rock Cycle • Is a model used to show how the three rock types - ______, __________, and __________ - are related to each other. It also shows the process in which each of the rock types are produced. Igneous Sedimentary Metamorphic

  3. Changing Rock Types • Any rock type can change into any other __________. • There is no preferred direction of movement from one rock type to another. rock type

  4. Questions • How does an Igneous rock become a Metamorphic rock? • Add heat & Pressure to change the parent rock. • List all the things that must happen for an Igneous rock to become a Sedimentary rock. • Weathering & Erosion; Sediments form, they are deposited, buried & compacted, then cemented to form a Sed. Rock. • Describe all the things that must happen for a Metamorphic rock to become an Igneous rock. • Melting to become magma, then solidification. • Describe all the things that must happen for a Sedimentary rock to become an Igneous rock. • Melting to become magma, then solidification (that’s 1 way!) • What is the molten rock called that when is solidifies will become an Igneous rock • Magma if below ground, Lava if on the Earth’s Surface.

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