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Rock Test

Stack #127661

basaltic describes dense, darkcolored igneous rock formed from magma rich in magnesium and iron and poor in silica.
lava molten rock from volcanoes on or near Earth's surface.
cementation sedimentary rock-froming process in which sediment grains are held together by natural cements that are proudced when water moves through rock and soil.
metamorphic rock froms when hear, pressure, or hot fluids act on igneous, sedimentary, or other metamorphic rock to change its form or compositon, or both.
compaction process that forms sedimentary rocks when layers of sediments are compressed by the weight of layers above them.
nonfoliated describes metamorphic rock, such as quartzite or marble, whose mineral grains grow and rearrange but generally do not form layers.
exrusive describes fine-grained igneous rock that froms when magma cools quickly at or near Earth's surface.
rock mixture of one or more minerals, rock fragments, volcanic glass, organic matter, or other natural minerals.
foliated describes metamorphic rock, such as slate and gneiss, whose mineral grains line up in parallel layers.
rock cycle model that describes how rocks slowly change form one form to another through time.
granitic escribes generally light-colored, silica rich, igneous rock that is less dense than basalitc rock.
sediments loose materials, such as rock-fragments, mineral grains, and dead organisms, that have been moved by wind, water, ice, or gravity.
igneous rock rock formed when magma cools or hardens.
sedimentary rock froms whenn sediments are comacted and cemented together or when minerals form from solutions.
intrusive describes a type of igneous rock that generally contains large crystals and forms when it cools below Earth's surface.
Created by: Julian Jones