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Rocks

Stack #127638

QuestionAnswer
basaltic igneous rocks are dense, dark colored rocks that form in magma
lava when magma reaches the earth's surface
cementation occurs when minerals such as quartz, calcite, and hematite are deposited between pieces of sediment
metamorphic rock rocks that changed because of changes in temperature and pressure or the presence of hot watery, fluids
compaction sediments stick together and form solid rock
nonfolliated mineral grains grow and rearrange, but don't form layers
extrusive igneous rocks are formed as lava cools on earth's surface
rock a mixture of such minerals, rock fragments, volcanic glass, organic matter, or other natural materials
foliated mineral grains line up in parallel layers
rock cycle a diagram that shows the changes in igneous, metamorphic, and sedimentary rocks
granatic light colored rocks of lower density than basaltic rocks
sediment loose materials such as rock fragments, mineral grains, and bits of shell that have been moved by wind.
igneous rock when hot magma cools and hardens
sedimentary rock forms when sediments are pressed and cemented together or when minerals form from solutions
intrusive found at surface only after the layers of rock and soil that covered them have been removed by erosion
Created by: emschmitz.clm
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