EPSC 221 Review

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Can you name the geology terms?

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glacier breaks small rocks and carries them
max amount of solid load a stream can carry is referred to as stream ____
dark coloured igneous rock, low in silica
classification of metamorphic rocks is based on mineral composition and ___
formed by lithification of sediments
clastic sediments classified by ____
rigids segments of lithosphere
heaviest particle a stream can erode is referred to as the stream _____
point at which breakage in an earthquake occurs, below surface
light coloured igneous rock, rich in silica
distance of displacement along fault during earthquake
central theory behind most geological work
seismic waves generally causing most destruction
sediment transported in suspension
deforming force
zone below water table is ___
plates slide past each other
naturally occurring, inorganic, solid, crystalline substance with definite chemical composition
molten liquid rock
volume of water passing a given point at a given time
ridges of hill deposited at ends/margins of a glacier
alpine glacial valleys flooded by rising sea levels
compass direction of a horizontal line on a plane
angle of a plane below horizontal
large mass of ice on land flowing due to gravity
formed by transformation of rocks under heat, pressure or chemically active fluids
places where plates move apart
landscape created by groundwater dissolving sedimentary rock such as limestone
preferred alignment of crystals
normal fault, hanging wall moves...
tendency to break along irregular surfaces
beds that store groundwater
removal of _____ may trigger mass wasting
a fracture in the crust associated with movement of one side relative to the other
lowest point to which a stream can erode its channel
zone above water table
large igneous bodies formed at depth
brittle deformations occur at ____ crustal levels
deformation with temporary change of shape
measure of how hard earth shakes in a given location
deformation associated with deep crustal levels
foliations are planes of ___
response to deforming force
sharp, steep ridges
strong sedimentary rocks
engineering term for permeability
______ in mantle causes plate motions
safety factor < _____ means a slope is unsafe
downslope movement of material under influence of gravity
weak hot layer of mantle below lithosphere
sea level will rise approx _____ cm over next hundred years (estimated)
process of magma emerging through the crust as lava and cooling into volcanic rock
term for rocks transported far away form their source area
volotile, explosive lava rich in rhyolites
sediment transported along stream bed
physical or chemical changes taking place in a sediment or sedimentary rock
dragging of small rocks over other rocks, by a glacier
tendency to break along planar surfaces
formed by magma crystallization
region of land surrounded by divides and crossed by streams
bowl shaped valleys created at head of glacier
cold outer shell of earth
gneiss is a very _____ rock
very slow downslope movement
sedimentary rocks are the source for almost all fossils and ____
no alignment of crystals
cyclical movement of water from ocean to atmosphere
upward arching fold
fastest kind of seismic waves
created by tributary glacier mouths, often leave awesome waterfalls
when rock below surface is limestone ____ are common
process of loosening and moving soil
intrusive rocks have ______ crystals
subduction zones are formed
most common element in crust
non explosive lava rich in basalt
breaking down of rocks at earths surface
extrusive rocks have ____ grained texture

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Created Dec 20, 2010ReportNominate
Tags:geology, review, term