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Chap 5, 6

Rocks and Minerals

QuestionAnswer
What is a mineral? Solid, naturally occurring, inorganic, fixed composition, crystal structure (SNIFC)
Compare silicate to nonsilicate minerals A silicate is a mineral that contains silicon and oxygen atoms and a nonsilicate is a mineral without silicon (Si) that does not contain silicon and oxygen compounds.
Describe the mineral property of cleavage tendency of a mineral to split and form flat, smooth surfaces
Describe the mineral property of hardness ability of a mineral to resist scratching
Describe radioactivity unstable atomic nuclei decay over time, releasing particles and energy
Define igneous rock rock that forms when magma cools and hardens deep within the crust
Define sedimentary rock rock that forms when sediments are compressed or cemented together and harden (WEDCC processes)
Define metamorphic rock meaning “changed form” -rock that forms when existing rock is altered by heat and pressure heat and pressure
Describe the rock cycle The series of processes in which rock forms, changes from one type to another, and is destroyed, and forms again by geological processes
The rock texture of the igneous rock called granite coarse-grained
Describe clastic sedimentary rock. sedimentary rock that is made up of rock fragments that become compacted and cemented together
Define regional contact metamorphism. change in rocks as the result of changes in temperature and pressure over a large area
native mineral a mineral that is an element
What is a silicate? A mineral that is a compound with silicon.
The most common type of mineral in earth's crust. silicate (Silicon and Oxygen compound)
What type of rock is formed from a pyroclastic volcano igneous
What type of rock is formed from sediment cemented together? sedimentary clastic
What is the difference between extrusive and intrusive igneous rocks? Extrusive is formed on the surface Intrusive is formed inside the earth
What type of sedimentary rock is formed from evaporation of water? chemical sedimentary
What does WEDCC stand for? Weathering, Erosion, Deposition, Cementation, and Compaction
Symbol for Gold Au
Symbol for Silver Ag
Symbol for Iron Fe
Symbol for Lead Pb
Symbol for Tin Sn
Symbol for Copper Cu
Symbol for Uranium U
Uranium has a special property of... radioactivity
How do you classify a mineral? (SNIFC) Solid naturally occuring inorganic fixed composition crystal structure
cementation when spaces in the rock are filled with silica, rust, or calcite
compaction lower layers of a rock are pressed together by upper layers
weathering when rocks are broken into smaller fragments
Created by: Amatulli Science
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