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Zumwalt Geo 111 test 3
test 3
138
Geology
02/02/2012

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Term
Breccia
Definition
rock composed of angular gravel
Term
regional
Definition

Metamorphism caused by c/c collisions

Term
Foliated
Definition
Rocks which have parallel elongated minerals
Term
Metamorphic
Definition
Derived by change of other rocks
Term
Aluminum
Definition
element derived from bauxite of decomposed tropical soils
Term
sand
Definition
particle size between 2mm and .0625 mm
Term
reservoir
Definition
where petroleum is stored
Term
biogenic
Definition
sediments composed of skeleton of organism
Term
marine
Definition
oceanic systems
Term
fragmentation
Definition
physical break down of rocks
Term
diamict
Definition
matrix supported conglomerate
Term
loess
Definition
glacial fluvial aeolian deposit
Term
deposition
Definition
occurs when transport media slow down
Term
coccolithophore
Definition
photoautotrophic part of chalk
Term
hematite
Definition
cementation agent of local iron ore
Term
shale
Definition
finest of the clastic sedimentary rocks with layers
Term
petroleum
Definition
economically most important resource derived from sedimentary systems
Term
planktonic Foraminifera
Definition
animal component of chalk
Term
Magma
Definition
Responsible for contact metamorphism
Term
Faults
Definition
Generate heat for catalystic metamorphism
Term
Quartz
Definition
Mineral found in all rocks
Term
maturity
Definition
way of subdividing sandstone
Term
lithification
Definition
making rocks out of sediments
Term
diatom
Definition
one of organism responsible for siliceous biogenic
Term
sedimentary
Definition
rocks composed of the pieces of other rocks
Term
glacial
Definition
moving ice
Term
lithographic
Definition
type of limestone used for printing
Term
spalling
Definition
cracking in response to expanding batholiths
Term
ice wedging
Definition
breaking by freezing
Term
source
Definition
organic rich clay which result in petroleum
Term
black chert
Definition
hydrated quartz which captures and stores organisms
Term
limestone
Definition
collective term for sedimentary CaCO3
Term
gravel
Definition
largest particle size of sediments
Term
micrite
Definition
lithographic limestone
Term
erosion
Definition
breakdown of rocks
Term
sandstone
Definition
sedimentary rock composed of pieces between .0625mm and 2mm
Term
recrystalization
Definition
movement of elements from high pressure to low pressure zones
Term
mudstone
Definition
massive stone composed of <.0039 mm
Term
decomposition
Definition
chemical breakdown of rocks
Term
conglomerate
Definition
rock composed of rounded gravel
Term
aeolian
Definition
wind blown systems
Term
wentworth scale
Definition
scale used to differentiate sediment sizes
Term
chert
Definition
precipitated quartz
Term
cementation
Definition
process of gluing particles together
Term
fluvian
Definition
moving water systems
Term
number of minerals
Definition
decrease away from the source
Term
compaction
Definition
lithification by squeezing
Term
gneiss
Definition
Highest grade metamorphic rock...looks like granite
Term
Structural integrity
Definition
Defined by the stability of rocks
Term
Staurolite
Definition
HIgh grade metamorphic mineral of the stars
Term
Quartz sandstone
Definition
protolith of quartzite
Term
gasses
Definition
Bring in sulpher
Term
sillimanite
Definition
High grade metamorphic mineral
Term
protolith
Definition
The rock which you start out with during metamorphism
Term
solutions
Definition
Bring in new elements
Term
cataclastic
Definition
Kind of metamorphism caused by faulting
Term
heat
Definition
Causes molecule to move faster
Term
Bowen's reaction sequence
Definition
Sequence of rock change during metamorphism
Term
pressure
Definition
Changes the liquidous and/or solidous
Term
kyanite
Definition
High grade metamorphic mineral
Term
garnet
Definition
mineral usually found in metamorphic rocks
Term
quartz
Definition
mineral most resistant to decomposition
Term
transportation
Definition
movement of sediments
Term
coquina
Definition
limestone composed of shells
Term
calcite
Definition
most common cementation agent in the world
Term
silt stone
Definition
sedimentary rock composed of pieces between .0625 mm and .0039 mm
Term
sorting
Definition
how closely grains are associated with the mean size
Term
clay
Definition
particle size and mineral group
Term
braided
Definition
stream type which results from large changes in volume of water
Term
sea level
Definition
the ultimate limit of erosion
Term
friction
Definition
slows water down
Term
hemisphere
Definition
most efficient shape for water transport
Term
solution load
Definition
amount of dissolved rock being moved by a stream
Term
bedload
Definition
amount of sediment carried in contact with the stream bed
Term
saltation
Definition
bouncing down the stream
Term
discharge
Definition
the best measure of the amount of water coming off the hill side
Term
competence
Definition
the best measure of the largest rock a stream can carry
Term
delta
Definition
accumulation of river born sediments in quite water
Term
point bar
Definition
site of most deposition in a meandering stream
Term
velocity
Definition
controlled by gradient and friction
Term
ultimate base level
Definition
the limit of all erosion
Term
laminar sands
Definition
third deposit in point bars
Term
transverse bar
Definition
site where most sediments in a braided stream reside
Term
gradient
Definition
slope of the land
Term
retrograde
Definition
destruction of terrestrial sediment leaving marine deposition
Term
base level
Definition
the limit of stream erosion
Term
laminar
Definition
flow regime of water under pressure
Term
bay
Definition
result of low river and high wave transport
Term
crossbedded sandstone
Definition
second deposit in point bar
Term
erosion
Definition
the physical and chemical break down of rocks
Term
turbulent
Definition
flow regime of water when there is no overlying pressure
Term
barrier bar
Definition
spit which cuts off meander loop
Term
spit
Definition
projection of sand extending away from bank
Term
streambed
Definition
trough in which stream flows
Term
clay and/or organics
Definition
oxbows are back filled with ____________
Term
deposition
Definition
sediments falling out as transport media slows
Term
six tenths depth
Definition
where do you find the fastest flow in any stream flow?
Term
slate
Definition
Lowest grade foliated metamorphic rock
Term
migmatite
Definition
Intermediate between metamorphic and igneous
Term
contact
Definition
Kind of metamorphism caused by magma
Term
nonfoliated
Definition
Metamorphic rock which do not have paralleled elongated minerals
Term
foliation
Definition
The parallel arrangement of elongated minerals
Term
Hydrothermal deposition
Definition
Process which concentrated economically important minerals around magma chamber
Term
Radioactive decay
Definition
Principle source of heat
Term
Hydrogen sulfide
Definition
most common gas associated with vulcanism
Term
Quartzite
Definition
What you get if you squeeze quartz with sandstone
Term
Metamorphism
Definition
the process of changing other rocks
Term
metamorphic process
Definition
Synonym for squoooooze
Term
solid
Definition
The state of rock being changed
Term
Ca plagioclase
Definition
last mineral to be metamorphosed
Term
andalusite
Definition
High grade metamorphic mineral
Term
water
Definition
the best catalyst during metamorphism
Term
schist
Definition
Moderate grade foliated metamorphic rock with visible grains
Term
over bank deposits
Definition
site of deposition of most clay and organics
Term
capacity
Definition
the amount of sediment being moved
Term
birdfoot delta
Definition
result to high deposition and lown wave dispersal
Term
prograde
Definition
deposit terrestrial sediments out onto marine deposits
Term
cutbank
Definition
site of least deposition in a meandering stream
Term
entrainment
Definition
picking up a sediment
Term
equilibrium profile
Definition
preferred profile of a stream
Term
oxbow
Definition
cutoff meandering loop
Term
lag deposit
Definition
gravel left behind by stream
Term
transportation
Definition
moving sediments down hill
Term
suspended load
Definition
the amount of sediment being carried in water column
Term
arcuate
Definition
delta which is the result of roughly equal river and wave transport
Term
crevass splay
Definition
deposit on bank by river breaching stream bed
Term
meandering
Definition
stream type which wanders back and forth in valley
Term
thalweg
Definition
trace of the highest velocity flow down a stream
Term

A. eroded

B. deposited

C. Depends. Still deposited if the value hasn't reached the entrainment velocity yet. Being transported if it has reached the entrainment velocity and is now receding

D. Transporting

E. Deposited

Definition
[image]
Term
CaCO3
Definition
the most common cement on a global scale
Term
Aeolian sorting
Definition
sorts grains extremely well to the point where all of the grains are the same size to 1/100 of a mm
Term
fluvial
Definition
only carry processes once
Term
Mass wasting/glacial
Definition
poor sorting, large and small particles together
Term
Calcium Arenite
Definition
quartz cemented together by calcium
Term
Calcium plagioclase
Definition
last mineral to mobilize in Bowen's reaction series
Term
Olivine
Definition
Last ferromagnesium mineral to mobilize in Bowen's reaction series
Term
gneiss
Definition
what would you expect to build an expensive building on?
Term
40 feet from the top
Definition
If the water is 100 feet deep, where is the fastest water?