Rocks
An aggregate of one or more minerals
What is a rock?
A naturally occurring, inorganic solid, with definite crystalline structure and definite chemical composition.
What is a mineral?
Color, Streak, luster, specific gravity, density etc.
What are mineral identification characteristics?
Fine, medium, coarse
What are grain sizes in sedimentary rocks?
Cooling Magma
What are intrusive igneous rocks?
Rock formed from clasts
What is a sedimentary rock?
The powdered form of a mineral.
What is streak?
Not best if using all by its self.
What is color of a mineral?
Foliation
What is banding/layering in metamorphic rocks?
Fast cooling lava
What are extrusive igneous rocks?
Heat and pressure play an important role for this
What is a metamorphic rock?
How light reflects from a mineral
What is luster?
What is a streak test?
Felsic, Intermediate, Mafic, Ultra Mafic
What are composition types of igneous rocks?
Weathering and erosion leads to...
What is sediment?
There are 3 types
What are sedimentary, metamorphic and igneous rocks?
Breaking along a flat surface.
What is cleavage?
D=m/v
What is the formula for density?
Erosion, Deposition, Compaction, Cementation
DAILY DOUBLE
What are the steps in sedimentary rock formation?
Added heat and pressure
What are metamorphic rocks?
These are known to have slow cooling histories.
What are intrusive igneous rocks?
How tightly packed a minerals structure is
What is density?
Cubic, tetragonal, orthorhombic, monoclinic
What are crystal systems?
Fine Grained, Coarse Grained, Glassy, and Porphyritic
What are textures for igneous rocks?
Melting in any direction becomes...
What is magma?