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Rocks Ch 4

Rock Cycle and types of rocks:

QuestionAnswer
Metamorphic rocks that have layers foliated
Lava that cools quickly forms ______ _____ rocks extrusive igneous
Heat, pressure, or the presences of hot, watery fluids forms: metamorphic rocks
Metamorphic rocks that show layers of dark minerals alternating with layers of light minerals are classified as foliated
these rocks are formed when loose materials become pressed or cemented together or when minerals form from solutions sedimentary
Molten material deep inside Earth magma
The pressure and heat that produce magma are caused in part by radioactive elements
Rocks made from broken fragments of other rocks are sedimentary detrital
A mixture of minerals, organic matter, volcanic glass, or other materials. rock
The crystals that form large mineral grains cool _____________. slowly
Changes that take place in rocks never create or destroy ___________. matter
Magma from deep inside Earth rises toward the surface because__________. it is less dense than surrounding solid rock
When lava cools at the surface, ________igneous rocks are formed extrusive
When maga cools deep inside the Earth________ igneous rocks are formed intrusive
Sandstone is a _________sedimentary rock detritial
Sedimentary rocks fromed from the remains of once-living things are organic
A detrital rock is named according to the shape and size of its sediments
Igneous rock that is light in color is usually granitic
Volcanic glas that has holes caused by pockets of gas scoria
Sedimentary rocks such as halite that are formed when minerals come out of solution are chemical rocks
The process in which rock is exposed to air, water, or ice and breaks into pieces. weathering
An organic sedimentary rock chalk, coal,
A chemical sedimentary rock limestone
The movement of weathered material erosion
The process in which pressure from upper layers of sediment pushes down on the lower layers, causing the sediments to stick together. compaction
The process in which minerals hold sediment together like glue, making a detrital sedimentary rock. cementation
Created by: cmorrow1
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