Rock Characteristics and Cycle
Igneous Rock
Sedimentary Rock
Metamorphic Rock
Mineral Review
100
3 types of rock classification
What is igneous, sedimentary, and metamorphic
100
formed by cooling molten material
What is igneous rock
100
broken up pieces of rock, bones, sticks, etc.
What is sediment
100
rock formed from heat and pressure underground
What is metamorphic rock
100
hardest mineral
diamond
200
Geologists use these features/characteristics to classify rocks
What is texture and chemical composition (or where they forms)
200
molten material above the surface of the Earth
What is lava
200
when sediments gets deposited (2nd step of process)
What is depostion
200
classified according to patterns of __________
What is grains
200
tested with unpolished porcelain , and leaves powder behind
What is streak
300
texture describes __________ of a rock
What is grain size and shape
300
igneous rock formed below the surface
What is intrusive igneous rock
300
weathering of rocks that breaks them down into small fragments- forces include wind, water, and ice
What is erosion
300
when grains form parallel bands
What is foliated
300
way a mineral breaks
What is cleavage and fracture
400
particles and fragments that make up a rock
What are grains
400
igneous rock that forms small crystals
What is extrusive igneous rock
400
final step- rock layers are "glued" together
What is cementation
400
when the grains have no pattern, or are random
What is unfoliated
400
2 special properties
What is florescent (glow in dark), magnetic, reflective, or bubbles in acid
500
natural solid mixture of minerals and grains
What is a rock
500
igneous rock that cools so fast no crystals are present
What is volcanic glass
500
3rd step- when water is squeezed out from between all the layers stacked on top of each other
What is compaction
500
when undergoing metamorphism, granite becomes ____
What is gneiss
500
5 traits that all minerals must have
What is inorganic, solid, definite chemical composition, crystalline structure, naturally occurring
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