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Geology Lectures - DEF
Sliko
231
Geology
Undergraduate 1
08/28/2011

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Cards

Term
High Pressure
Definition
air falls
Term
Low Pressure
Definition
air rises
Term
1. Cold Water
2. Dry Land
3. High Level Wind Shear
Definition
three ways to kill a hurricane
Term
1. P
2. S
3. Surface Waves
Definition
order of earthquake waves
Term
1. Recognizing the Problem
2. Collecting Data
3. Proposing a Hypothesis
4. Testing the Hypothesis
Definition
the steps of the scientific method
Term
Aristotle
Definition
conducted mind experiments
Term
Testable Hypotheses
Definition
hypotheses that can be falsified
Term
Some good ideas are impossible to test.
Definition
weakness of the scientific method
Term
1. Blue Shift
2. Cosmic Microwave Background Radiation
3. Distribution of Galaxies
4. Abundance of Light Elements
Definition
four pillars of the big bang theory
Term
Cosmic Microwave Background Radiation
Definition
leftover radiation from the big bang
Term
186000mi/second
Definition
speed of light
Term
12-14ga
Definition
age of the universe
Term
75%
Definition
percentage of hydrogen in the universe
Term
25%
Definition
percentage of helium in the universe
Term
Hydrogen, Helium
Definition
elements created in nucleosynthesis
Term
1. Movement of Stars
2. Foucault's Pendulum
Definition
two reasons backing up the theory that the earth is moving
Term
1040mph
Definition
equatorial velocity
Term
Equatorial Velocity
Definition
decreases as you move away from the equator
Term
Sun
Definition
made of the same elements as earth
Term
Solar System
Definition
disk like
Term
Dwarf Planet
Definition
new classification of Pluto
Term
1. Orbit Around a Sun
2. Enough Mass to Pull into a Spherical Shape
3. Big Enough to Clear its Neighborhood
Definition
three criteria to becoming a planet
Term
Big Enough to Clear the Neighborhood
Definition
criteria of being a planet that Pluto failed
Term
Pluto
Definition
has an eccentric orbit that takes it closer to the sun
Term
Pluto
Definition
most famous trans-Neptunean object
Term
Pluto
Definition
most famous member of the Kuiper Belt
Term
Carl Sagan
Definition
pale blue dot guy
Term
Kepler Telescope
Definition
found fifty four planets that are in the habitable zone in the Milky Way
Term
Fifteen
Definition
number of confirmed exoplanets
Term
Habitable Zone
Definition
zone where liquid water could exist
Term
240 billion
Definition
number of galaxies in the visible universe
Term
Nucleosynthesis
Definition
started one billion years after the big bang because of intense heat and pressure
Term
Thermonuclear Devices
Definition
intense heat and pressure within stars acts as...
Term
Core of the Sun
Definition
where the heaviest elements are formed
Term
4.6 billion years old - 5 billion years old
Definition
age of the earth and the solar system
Term
14 billion years
Definition
age of the universe
Term
Iron Catastrophe
Definition
interior of the earth separates into core and mantle
Term
Iron Catastrophe
Definition
iron and nickel sank to the center of the earth
Term
Giant Impact Theory
Definition
large planetesimal hit earth and the debris formed the moon
Term
Giant Impact Theory
Definition
started the earth spinning and the twenty four hour day
Term
Giant Impact Theory
Definition
results in the atmosphere forming
Term
Formation of the Atmosphere
Definition
results in rain
Term
USA and Soviet Union
Definition
two countries with the most amount of space junk numerically
Term
Eratosthenes
Definition
measured the earth to have a circumference to be 39300km
Term
40008km
Definition
circumference of the earth
Term
6371km
Definition
radius of the earth
Term
1. Distance from the Sun
2. Size
3. Percentage of Cloud Cover
Definition
three facets of the definition of earth like
Term
Relatively the Same
Definition
relationship of planets in our solar system in regards to age
Term
1040mph
Definition
equatorial speed
Term
Dipole
Definition
type of magnet the earth is
Term
Solid Iron and Nickel Alloy
Definition
composition of inner core
Term
Liquid Iron and Nickel Alloy
Definition
composition of outer core
Term
Outer Core
Definition
creates the magnetic field through movement
Term
Magnetic Field
Definition
protects from solar wind
Term
Solar Wind
Definition
charged particles from the sun
Term
Solar Wind
Definition
solar radiation
Term
Teardrop
Definition
shape of the earth's magnetic field
Term
Van Allen Belts
Definition
protects from lethal radiation that makes it past the magnetic field
Term
Lethal Radiation
Definition
funneled by the Van Allen belts to the North or South poles to create aurorae
Term
Aurorae
Definition
interaction of solar wind with gas in the atmosphere
Term
500Ga
Definition
multicellular life formed
Term
65 Million Years Old
Definition
dinosaurs went extinct
Term
Giga Annum
Definition
Ga
Term
Ga
Definition
billion years ago
Term
Mega Annum
Definition
Ma
Term
Ma
Definition
million years ago
Term
Ka
Definition
thousand years ago
Term
Kilo Annum
Definition
Ka
Term
Thermosphere, Mesosphere, Stratosphere, Troposhere
Definition
four atmospheric layers
Term
Thermosphere
Definition
heterosphere of the atmospheric layers
Term
Heterosphere
Definition
molecules are far enough apart that they don't hit
Term
Mesosphere
Definition
atmospheric level where meteorites burn
Term
Shooting Star
Definition
meteorites burning in the mesosphere
Term
Mesosphere, Troposphere
Definition
two atmospheric layers with convection
Term
Stratosphere
Definition
temperature rises with height
Term
Stratosphere
Definition
atmospheric layer with no convection
Term
Troposphere
Definition
atmospheric layer containing clouds
Term
Pause
Definition
layer of temperature stabilization in between spheres
Term
Mesosphere, Stratosphere, Troposphere
Definition
three homogenous atmospheric layers
Term
Homogenity
Definition
molecules hit
Term
78%
Definition
percent of nitrogen in the earth's atmosphere
Term
21%
Definition
percent of oxygen in the earth's atmosphere
Term
Venus
Definition
planet with a really thick atmosphere of carbon dioxide
Term
Mercury
Definition
planet with no atmosphere
Term
Mars
Definition
planet with thin atmosphere of carbon dioxide
Term
Hydrogen, Helium
Definition
two most abundant elements in earth's first atmosphere
Term
First Atmosphere
Definition
stripped away by solar winds
Term
Second Atmosphere
Definition
consisted of water, carbon dioxide, sulfur dioxide, nitrogen, ammonia
Term
Hadean Era
Definition
era of the iron catastrophe
Term
Hadean Era
Definition
era of the moon's formation
Term
Hadean Era
Definition
"Dante's inferno"
Term
4.57-3.8Ga
Definition
Hadean Era
Term
3.85Ga
Definition
oceans formed
Term
Cross Bedding
Definition
evidence of ocean formation
Term
Venus
Definition
would have a similar atmosphere as earth if it could have oceans
Term
3.5Ga
Definition
third atmosphere formed
Term
Photosynthetic Cyanobacteria
Definition
first fossil evidence of life
Term
Photosynthetic Cyanobacteria
Definition
added oxygen to atmosphere
Term
Ozone Layer
Definition
allowed evolution to explode with enough oxygen in the atmosphere
Term
400ma
Definition
oxygen builds up to present values
Term
Pyrite
Definition
iron sulfide
Term
Rust
Definition
iron plus oxygen
Term
Pyrite
Definition
evidence of low oxygen environment
Term
Redbands
Definition
evidence of high oxygen environment
Term
Banded Iron Formations
Definition
black and red layers
Term
Dryland, Oceans, Ice
Definition
three distinctive surface types
Term
Iron, Oxygen, Silicon, Magnesium
Definition
four major elements on earth
Term
34.6%
Definition
percentage of iron on earth
Term
29.5%
Definition
percentage of oxygen in earth
Term
15.2%
Definition
percentage of silicon in the earth
Term
12.7%
Definition
percentage of magnesium in earth
Term
Oxygen, Silicon
Definition
two biggest elements in earth's crust
Term
Crust, Moho, Mantle, Core
Definition
four chemical layers of earth
Term
Granite
Definition
continental crust
Term
Basalt
Definition
oceanic crust
Term
Mantle
Definition
largest layer of earth
Term
Mantle
Definition
iron and magnesium rich
Term
Peridotite
Definition
most common rock found in the mantle
Term
Core
Definition
iron and nickel rich chemical layer of earth
Term
Lithosphere, Asthenosphere, Mesosphere, Outer Core, Inner Core
Definition
five physical layers of earth
Term
Lithosphere
Definition
crust plus a little of the upper mantle
Term
Lithosphere
Definition
brittle physical layer of earth
Term
Lithosphere
Definition
physical layer of earth made of plates
Term
Asthenosphere
Definition
ductile physical layer of earth
Term
Asthenosphere
Definition
physical layer of earth that consists of solid hot rocks that moves very slowly
Term
Mesosphere
Definition
solid, more rigid physical layer of earth
Term
Outer Core
Definition
liquid physical layer of earth
Term
Solid
Definition
consistency of inner core
Term
P Waves
Definition
seismic waves that cannot travel through liquid
Term
3.6 million atm
Definition
pressure at the center of the earth
Term
Crust
Definition
silica and oxygen rich
Term
Mantle
Definition
magnesium and iron rich
Term
Core
Definition
iron and nickel rich
Term
Lithosphere
Definition
brittle
Term
Asthenosphere
Definition
Ductile
Term
Mesosphere, Inner Core
Definition
solid
Term
Outer Core
Definition
liquid
Term
Outer Core
Definition
causes earth's magnetic field because of the convection that takes place
Term
Geosyncline Theory
Definition
the theory that earth is made of all one rock that is stable and the continents do not move
Term
Wegener
Definition
father of continental drift
Term
1-15 Centimeters Per Year
Definition
amount of continental drift
Term
Rodinia, Pangaea
Definition
two super continents
Term
Harry Hess
Definition
developed the theory of sea floor spreading
Term
Bathymetry, Reversals, Paleomagnetism
Definition
three pieces of evidence backing up the idea of sea floor spreading
Term
Plate Tectonics
Definition
explains how the plates moving on the asthenosphere works
Term
Archimedes Principle of Buoyancy
Definition
upward force that acts on an immersed or floating object
Term
Stromatolite Mounds
Definition
spewed oxygen into the atmosphere for over a million years before the atmosphere was oxygenated
Term
Divergent Boundaries
Definition
have low silica volcanism and shallow earthquake depths
Term
Convergent Boundaries
Definition
have intermediate to high earthquake depths and intermediate silica volcanism
Term
Transform Boundaries
Definition
have little volcanism and shallow earthquake depths
Term
Silica
Definition
element that melts first
Term
Iron
Definition
element that melts last
Term
Chemosynthesis
Definition
life without sun
Term
1. Trench
2. Accretionary Prism
3. Volcanic Arc
Definition
three common features of a convergent boundary
Term
Explosive
Definition
type of volcanism that is silica rich
Term
Continental Collision
Definition
forms tall mountains that extend very deeply
Term
Marianas Trench
Definition
deepest crust in the world
Term
Triple Junction
Definition
three plates coming together
Term
Hot Spots
Definition
produce shield volcanoes
Term
Hot Spots
Definition
sourced by mantle plumes that originate near the core mantle boundary
Term
Seamount
Definition
submerged hot spot islands
Term
Guyot
Definition
flat topped seamount
Term
Ridge Push and Slab Pull
Definition
hypothesis as to what causes plate tectonics
Term
1. Naturally Occurring
2. Solid
3. Inorganic
4. Definable Chemical Composition
5. Orderly Arrangement of Atoms
Definition
five criteria of classifying a mineral
Term
Steel
Definition
alloy of carbon and iron
Term
Amber
Definition
fossilized tree sap
Term
Yes
Definition
graphite?
Term
Yes
Definition
opal?
Term
Yes
Definition
ice?
Term
No
Definition
cheap sapphire?
Term
Crystal
Definition
solid formed from a single mineral
Term
1. Covalent
2. Ionic
3. Metallic
4. Hydrogen
5. van der Waals
Definition
five types of bonds in order from strongest to weakest
Term
Covalent
Definition
bond that shares electrons
Term
Ionic
Definition
bond in which negative atoms are attracted to positive atoms
Term
Metallic
Definition
bond in which the outer shell of electrons moves freely from one atom to another
Term
Hydrogen
Definition
bond in which hydrogen attracts to a negative atom
Term
van der Waals
Definition
bond in which positive atoms are attracted to negative atoms
Term
Yes
Definition
halite?
Term
Polymorphs
Definition
two minerals with the same chemical composition but different internal structure
Term
1. Solidification of a Melt
2. Precipitate Out of a Solution
3. Solid State Diffusion
4. Biomineralization
5. Fumerolic
Definition
five types of mineral formation
Term
Euhedral
Definition
uninhibited growth that leads to a perfect crystal
Term
Anhedral
Definition
obstacles to crystal growth
Term
1. Melting
2. Dissolving
3. Chemical Reactions
Definition
three ways to destroy a mineral
Term
1. Color
2. Streak
3. Luster
4. Hardness
5. Specific Gravity
6. Crystal Habit
7. Cleavage
Definition
seven ways to identify a mineral
Term
Color
Definition
interaction with light
Term
Streak
Definition
color of powder when pulverized
Term
Luster
Definition
dispersal of light
Term
Metallic, Nonmetallic
Definition
two types of luster
Term
Hardness
Definition
how readily a mineral scratches something
Term
Talc
Definition
a one on the Mohs Hardness Scale
Term
Gypsum
Definition
a two on the Mohs Hardness Scale
Term
Calcite
Definition
a three on the Mohs Hardness Scale
Term
Fluorite
Definition
a four on the Mohs Hardness Scale
Term
Apatite
Definition
a five on the Mohs Hardness Scale
Term
Orthoclase
Definition
a six on the Mohs Hardness Scale
Term
Quartz
Definition
a seven on the Mohs Hardness Scale
Term
Topaz
Definition
an eight on the Mohs Hardness Scale
Term
Corundum
Definition
a nine on the Mohs Hardness Scale
Term
Diamond
Definition
a ten on the Mohs Hardness Scale
Term
Quartz
Definition
the most common mineral
Term
Finger Nail
Definition
a 2.5 on the Mohs Hardness Scale
Term
Penny
Definition
a 3.5 on the Mohs Hardness Scale
Term
Glass
Definition
a 5.5 on the Mohs Hardness Scale
Term
Steel File
Definition
a 6.5 on the Mohs Hardness Scale
Term
Crystal Habit
Definition
the shape of the crystal structure
Term
Calcite
Definition
reacts with HCl
Term
Magnetite
Definition
attracts a magnet due to iron
Term
Hematite
Definition
has a blood red streak
Term
Halite
Definition
tastes salty
Term
Graphite
Definition
makes a black mark on paper
Term
1. Silicates
2. Oxides
3. Sulfides
4. Sulfates
5. Halides
6. Carbonates
7. Native Metals
Definition
seven mineral classes
Term
Silicates
Definition
major rock forming mineral class
Term
Silicates
Definition
makes up 95% of the continental crust
Term
Single Chains
Definition
shares two oxygen atoms
Term
Double Chains
Definition
share two or three oxygen atoms
Term
Sheets
Definition
shares three oxygen atoms
Term
Framework
Definition
shares all four oxygen atoms
Term
Streak
Definition
best way to identify a mineral
Term
Gemstones
Definition
minerals that have value and are rare and beautiful
Term
Gems
Definition
cut minerals used in jewelry
Term
Facets
Definition
man made faces
Term
Opal
Definition
micro crystalline quartz gem
Term
Pearl
Definition
aragonite gem
Term
Ruby/Sapphire
Definition
corundum gem
Term
Diamond
Definition
pure compressed carbon gem
Term
Yes
Definition
salt?
Term
No
Definition
amber?
Term
No
Definition
steel?
Term
Yes
Definition
ruby?
Term
Yes
Definition
ice?
Term
Yes
Definition
diamond?
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