silicates
weathering
volcanoes
formed by plate tectonics
Potpourri
100
a silicate with the formula of SiO2
What is quartz
100
A form of chemical weathering that involves combination with oxygen
What is oxidation?
100
The kind of volcano that you find over a subduction zone
What is composite?
100
Location of most earthquakes
What are the plate boundaries
100
Any rock that has a change in its crystals because of heat, pressure, or chemicals
What is a metamorphic rock?
200
The first silicate to form in cooling magma
What is olivine
200
The kind of weathering that is responsible for the roundness of rocks within a river
What is abrasion?
200
The kind of magma that makes up composite volcanoes
What is andesitic (or intermediate)
200
Location of the deepest earthquakes
What is a subduction zone?
200
the main reason why Continental Drift was not accepted as a theory
What is the fact that there was no good mechanism for moving continents
300
These hold together adjacent chains within a single chain silicate
What are cations?
300
The kind of weathering that takes place when a granite batholith is uplifted and releases pressure
What is exfoliation
300
The presence of these features indicates that the rock was formed near the top of a lava flow
What are vesicles?
300
The cause of folded mountain chains
What is continent to continent convergence?
300
The actual shape of the Earth
What is an oblate spheroid?
400
The first silcate to melt as rock is heated
What is quartz?
400
The mineral that results with most silicates weather
What is clay?
400
A volcano that formed when a continent moved over a hot spot
What is Yellowstone?
400
the rate of plate movement
What is 3-20 cm per year or the rate at which your fingernails grow
400
A clastic rock with large clasts made in a high energy environment
What is a conglomerate?
500
The two cations which can substitute for each other within plagioclase feldspar
What are Na and Ca?
500
The form of chemical weathering that results when a mineral chemically combines with water
What is hydrolysis?
500
A common gas that is NOT emitted by volcanoes
What is oxygen?
500
This plate resulted in the Cascade volcanoes
What is the Juan de Fuca Plate?
500
He is considered the "father of geology"
Who is James Hutton?
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