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Science Warm Up Sediments are transported or moved form their original source by a process called a. b. c. d. Deposition Erosion Uplift weathering Standard: Summarize the basic events that occur during the rock cycle. ocks Objective 1. I can describe 4 processes that shape Earth’s features. 2. I can describe how each type of rock changes into another type of rock. 3. I can describe how igneous, sedimentary and metamorphic rocks are formed. Vocab • • • • • • • • Rock Rock cycle Weathering Sediments Erosion Deposition Uplift magma • • • • • Composition Texture Igneous Sedimentary Metamorphic Guiding Questions 1. What is a rock? 2. How are rocks formed? 3. How do igneous, sedimentary and metamorphic rocks form? Rocks A rock is a naturally occurring solid mixture of one or more minerals and organic matter. It might be hard to believe but rocks are always changing….. Which rock will it stay? Can you Figure it Out? From One Rock to another On a RECYCLING Route But never in a hurry The Rock Cycle Igneous metamorphic Sedimentary What is the Rock Cycle ? The rock cycle is a sequence of events involving the formation, alteration, destruction, and reformation of rocks as a result of natural processes such as magmatism (melting of rock into magma), erosion, transportation, deposition, lithification, and metamorphism. Glossary of Geology, Bates & Jackson, AGI The mantle, crust and surface of the earth can be thought of as a giant recycling machine; rocks are neither created nor destroyed, but redistributed and transformed from one rock type to another. http://www.science.ubc.ca/~geol202/rock_cycle/rockcycle.html March 2000 The Rock Cycle involves the recognition of three main classes of rocks. The three rock types are … Sedimentary CEMETERY Rocks Metamorphic METABOLIC Rocks Igneous INGENIOUS Rocks Right? Minerals combine to form Rocks Some Rocks are made up of just one mineral - like rock the mineral halite) salt (made up of Others Rocks are made up of many minerals - like the granites and gneisses (made up of feldspars, quartz, and other minerals) Rocks and Natural Processes make up the Rock Cycle weathering Sedimentary Igneous Metamorphic The Rock Cycle Igneous Igneous means “born of The Rock Cycle Metamorphic Sedimentary Igneous Igneous Rocks form from molten rock or magma cooling in the subsurface or from lava extruded at the surface But then the EARTH’S elements Won’t leave The poor rock alone! •Ice •wind •Water ice wind water They break up the stone The Rock Cycle weathering Sedimentary Metamorphic Rocks are weathered eroded, Compacted and cemented form Sedimentary Rocks Igneous Some common sedimentary rocks are Sandstone, shale, limestone, halite, and gypsum The Rock Cycle Igneous metamorphic ? Sedimentary hOT! The Rock Cycle Metamorphic Sedimentary Igneous Heat & Pressure and fluids cause preexisting materials to become Metamorphic Rocks iron ore, staurolite schist, slate, quartzite, marble and gneiss The Rock weathering Sedimentary Igneous Cycle Metamorphic The Rock Cycle does not go in just one direction. Any given rock can go through any part of the cycle any number of times. The Rock Cycle Igneous metamorphic Sedimentary always changing… Science Closure Which best describes one way igneous rocks form? A. Sedimentary rocks erode. B. Sedimentary rocks are compacted. C. Metamorphic rocks are melted, then cooled. D. Metamorphic rocks are deposited and cemented.