Rock Types
Terms and Stuff
How its made
Minerals
Misc.
100
Name the three rock types
What is Igneous, Metamorphic, and Sedimentary?
100
Describe hardness and the name of the scale used to describe a mineral's hardness
Resistance to being scratched and Mohs Scale
100
This rock type forms through the cooling and hardening of magma
What is igneous?
100
Name the term for the study of minerals and their properties
What is Mineralogy?
100
Describe the difference between regional and local metamorphic rocks
regional is large areas of rock change
Local is smaller areas of rock change
200
Name the only rock that contains fossils
Sedimentary rock
200
Describe cleavage
The tendency of a mineral to split along flat surfaces
200
Under pressure and heat this rock will form
What is metamorphic?
200
A hollow rock with crystals is called what
A Geode
200
The way a mineral shines in the light (metallic or nonmetallic) is called what?
Luster
300
Name the 3 types of sedimentary rocks
Clastic, Chemical, and Organic
300
Describe the term tuff
a lightweight, porous pyroclastic rock formed from volcanic ash and other debris ejected during explosive eruptions
300
When compaction and cementing of sediments happens this rock will form
What is Sedimentary?
300
Name the mineral type that makes up 90% of all minerals
Silicates
300
Draw the rock cycle
400
Name the two types of magma that creates igneous rocks
Bonus points for describing the color associated with each type
Felsic, light colored and Mafic, dark colored
400
Name the mineral known as fool's gold
What is Pyrite?
400
Igneous rocks form in two areas, name them and their texture
What is intrusive, below the surface, coarse texture and extrusive, at the surface, and fine texture
400
Name the mineral group that is the 2nd most abundant mineral on Earth
What is Quartz?
400
Name at least 3 of the crystal systems
-Cubic -Triclinic
-Tetragonal -Orthorhombic
-Monoclinic -Hexagonal
500
Tell me what limestone and sandstone are the parent rocks of
marble, and quartzite
500
Describe the term porphyry
an igneous rock characterized by a porphyritic texture, containing large, coarse-grained crystals
500
Name the rock type that is made form parent rocks
What is metamorphic rocks?
500
Name the family of mineral that makes up 60% of Earth's crust
What is the feldspar family?
500
Describe Foliation
parallel alignment of mineral grains or structural features in metamorphic rocks, creating a layered, sheet-like, or banded texture