The Rock Cycle Learning Goal: I can identify common rock types and the processes that formed them.

Importance of the Rock Cycle Different types of rocks give us different mineral resources. Geologists know how to identify one rock type from another. They know the type of rock and the structures within each rock type. With this knowledge they can advise mining companies where to search for specific mineral deposits worth mining.

Key Terms Sediments: Rock that has been broken down into pieces like gravel and sand by the processes of weathering and erosion. Weathering: The breaking down of rock material by wind, rain, ice and changing temperatures. Erosion: The transportation (movement) of sediments from one place to another by wind, flowing water (rivers), glaciers, etc.

The Rock Cycle The three main types of rocks and the major processes that create them Magma/Lava Igneous Rock Sedimentary Rock Metamorphic Rock Sediments Cooling Heating Weathering and Erosion Compression & Compaction Heating Intense Heat and Pressure Intense Heat and Pressure Heating REMEMBER MISS M FOR THE ORDER OF THE MAJOR FAMILIES OF ROCK!

Rock Types and Uses Obsidian Rock used in scalpels Flint Rock used in lighters Pumice Rock used in foot care Slate Rock used to make blackboards Soapstone Rock used to make Inuit carvings Marble Rock for counter tops, tile flooring, etc.