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finale

earth science

QuestionAnswer
Batholith thought to have formed as a result of oceanic-oceanic convergence.
Plutons can be exposed at earths surface as a result of uplift and erosion and are classified based on size and shape
Laccoliths is a mushroom shape pluton with a round top and flat bottom
Sill Plutons that forms when magma intrudes parallel to the rock layers
Dikes Pluton that cuts across preciosity
vent lava erupts through an opening
caldera layer compression
shield volcanoes gently sloping sides and a nearly circular bases
cinder volcano material ejected high into the air faults back to the earth and piles around the vent
composite volcano forms when layers of volcano fragment alternate with lava
convergent plates that run into each other forming a mt
magma deposits in the middle of the earth
viscosity internal resistance flow
pyroclastic flow dirt and ash moving rapidly like lava
stress force acting on unit
strain caused by compression tension and shear
p wave pulls rocks the same direction along witch the waves are traveling
s wave move at right angles in relation to direction
surface wave third type of siesmic wave that moves in two directions as the pass
epicenter the point above the focus and the epicenter
siesmometer they can be detected and recorded by sensitive instruments called siesmographs
eon longest unit is measured in billions of years
periods extinct during the time of a rock
epochs smaller geologic time scale in witch is measured in millions of years
uniformitarianism things that have been here since the begining of time
superposition undesturbed rock sequence
radioactive decay the emission of radioactive decay particle and the resulting change into element
radiometric dating scientist attemempt to determine the ratio of parent nuclei within
key bed the layer that becomes a time marker
Created by: jhoward72
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