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6th ES Chapter 4. Rocks: Mineral Mixtures
Terms in this set (27)
a naturally occurring solid mixture of one or more minerals or organic matter
the series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes - new rocks form from old rocks
process by which sediment is removed from its source by wind, water, ice, or gravity.
the process in which material is dropped and comes to rest.
the chemical makeup of a rock; describes either the minerals or other materials in the rock
the quality of a rock that is based on the sizes, shapes, and positions of the rock's and mineral grains
intrusive igneous rock
rock formed from the cooling and solidification or magma beneath the Earth's surface
extrusive igneous rock
rock that forms as a result of volcanic activity at or near the Earth's surface
layers of sedimentary rock
the process in which sedimentary rocks are arranged in layers
the texture of metamorphic rock in which the mineral grains are arranged in planes or bands
the texture of metamorphic rock in which the mineral grains are not arranged in planes or bands
grains of sand and other sediment are eroded from hills and mountains, then washed down a river to the ocean. Over time, the sediment forms thick layers on the ocean floor. Eventually, the grains of sediment are compacted together to form ______ rock.
rock formed when large pieces of the Earth's crust collide, some of the rock is forced downward. At great depths, intense heat and pressure heat and squeeze the sedimentary rock to change it into____ rock.
rock formed when sand grains from sedimentary rock have changed, but will change more! Magma is usually less dense than the surrounding rock, so magma tends to rise to higher levels of the Earth's crust. Once there, the magma cools and solidifies to become _____ rock.
Humans use rocks in the past
to make tools
magma cooling quickly creates ______ rocks
Magma forms when there is a
rise in temperature in rock, change in composition in rock, and a decrease in pressure on rock.
process in which sedimentary rock is formed.
metamorphism occurs when _____ increases
temperature and pressure
process in which water, wind, and heat break down rock
main categories of sedimentary rock
clastic, chemical, organic
rock that forms when magma cools
rock that forms when magma cools below the Earth's surface
intrusive igneous rock
The minerals in rocks _______ when temperature and pressure change
they change into minerals that are more stable
process in which rocks change shape
Rocks are classified by
texture and composition
THIS SET IS OFTEN IN FOLDERS WITH...
Sedimentary Rocks Review (adapted from CL)
Metamorphic Rocks Review (adapted from CL)
Parent Rocks Of Metamorphic Rocks
Rock Cycle Review (adapted from CL)
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