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Cooper ~ Rocks

Stack #127808

Rock A mixture of such minerals, rock fragments, volcanic glass, organic matter, or other natural materials.
Rock Cycle A model created by scientists to show how rocks change over time.
Igneous Rock The type of rock magma forms when it cools and hardens.
Lava After magma has reached Earth's surface
Intrusive Rocks that form from magma below the surface
Extrusive Igneous rocks that are formed as lava cools on the surface of Earth.
Basaltic Igneous rocks that are dense, dark-colored, and form from magma that is rich in iron and magnesium but is poor in silica.
Granitic Igneous rocks that are light-colored rocks of lower density than basaltic rocks.
Metamorphic Rocks Rocks that have changed because of changes in temperature and presssure or the presence of hot, watery fluids.
Foliated When minerals line up in parallel layers.
Nonfoliated The mineral grains that grow and rearrange but they don't form layers.
Sediments Loose minerals such as rock fragments, mineral grains, and bits of shell that have been moved by wind, water, ice, or gravity.
Sedimentary Rock Forms when sediments are ressed and cemented together, or when minerals form from solutions.
Compaction If the sediments are small, they can stick together and form solid rock.
Cementation Occurs when minerals such as quartz, calcite, and hematite are deposited between the pieces of sediment.
Created by: Cooper Rose