igneous rocks
plate tectonics
minerals
metamorphic
sedimentary
100
a common coarse grained felsic rock
What is granite
100
The supercontinent that broke up 250 million years ago
What is Pangaea
100
a mineral with conchoidal fracture and a hardness of 7
What is quartz
100
the layering of a metamorphic rock
What is foliation
100
A rock made of sand-sized peices of feldspar and quartz
What is arkose?
200
a volcano that forms from basalt over a lava flow
What is a sheild volcano
200
the break in the crust that forms from tension
What is a rift valley
200
The way in which a mineral breaks along a flat surface
What is a cleavage plane?
200
A rock that is more metamorphosed than slate but less than schist
What is phyllite?
200
The smalles sediment size
What is clay?
300
a dangerous mudflow caused by a volcanic eruption
What is a lahar
300
The stripes found on either side of a mid-ocean ridge were formed from the process
What is magnetic reversals
300
SiO4
What is the formula of a silicon tetrahedron?
300
A white metamorphic rock formed by hot water interacting with mafic rocks
What is soapstone?
300
an organic sedimentary rock made of plant material
What is coal
400
any igneous rock that forms with two cooling periods resulting to two different crystal sizes
What is a porphyry
400
The process that drives the plates
What are convection cells
400
CaCO3
What is the formula for calcite
400
a form a metamorphism that occurs at subduction zones
What is regional metamorphism?
400
an underwater landslide
What is a turbidity current
500
an ultramafic rock that makes up the mantle
What is peridotite
500
He suggested that continents have moved over time
Who was Wegener?
500
an atom that has gained or lost an electron
What is an isotope
500
A very high grade metamorphic rock which was almost melted
What is a migmatite?
500
a spherical area of well cemented sandstone that can form around a fossil
What is a concretion?
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