Rocks Flashcards
What are the 3 main rocks?
Igneous + Sedimentary + Metamorphic
Cooling of lava or magma creates ________?
Igneous Rock
Deposition, compaction and cementation creates __________?
Sedimentary Rock
Exposure to extreme heat and pressure creates _______?
Metamorphic Rock
Randomized crystals, interlocking crystals, no layers?
Igneous Rock
Striation, small crystals?
Metamorphic Rock
Straight layers, no crystals?
Sedimentary
Hot, melted rock underground
Magma
Hot melted rock above ground found after an eruption
Lava
What are the two types of igneous rocks?
Felsic + Mafic
Felsic is rich in ?
Aluminum + Potassium + Sodium + Silicon
Mafic is rich in ?
Calcium + Iron + Magnesium
Created above ground, small crystals
Extrusive Rock
Created below ground, large crystals
Intrusive Rock
Little to no crystals with less time to form
Fine Grained
More time for crystals to form
Course Grained
The compaction of sediments
Compaction
The breakdown of a larger rock
Weathering
The breakdown and then movement of a rock
Erosion
The melting of the rock
Melting
Magma or lava cooling to form an igneous rock
Cooling
Crystals being formed while magma or lava cools
Crystallization
The hardening of sediments.
Cementation
They can be igneous, sedimentary or metamorphic and are the original rock that underwent the metamorphic rock formation.
Parent Rock
Rocks that contain a lot of minerals
Foliated
Rocks that only contain one type of mineral
Non Foliated
