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Mining style used for large but low concentration deposits
Open pit
Mechanical layers of the earth
Lithosphere and asthenosphere
Mountain that is being looked at for storing nuclear waste
Yucca mountain
A lake created by cutting off a meander of a river or stream
Oxbow
Mineral deposit that is large but has low concentration
Disseminated
Volcanic mudslide
Lahar
The modified mercalli scale is used to measure what?
Earthquake intensity
Nuclear energy is produced by doing what to U235?
Fission
What creates the surface ocean currents?
Wind
The volcano that is characterized by lava flows
Shield
Waves that move through the interior of the earth
Body
Connectivity of pore space in a rock
Permeability
Evidence that Hess used that Wegener didn’t have – used to prove lake idea
Paleomagnetism
Large wave that is generated by an undersea earthquake
Tsunami
The outside curve of the stream
Cutbank
Magma type found at stratovolcanoes
Andesite
Mineral deposit created by evaporation
Evaporite
What is the most cost efficient way to implement solar thermal technology?
With the water heater
What are the designs used for solar thermal energy
Dish, power tower, and probolic trough
What is solar thermal technology used for?
Harnessing heat
what are the ways to harness hydroelectricity?
Dam/impoundment, diversion, and pumped storage
Which energy source can be used regardless of environmental conditions?
Geothermal
How much of America’s electricity comes from coal?
50%
Which tidal energy has the most potential locations?
Tidal turbines
what type of energy is converted into electricity by the wind turbines?
Kinetic energy
What are the two types of motors used for hybrid cars?
Series and parallel
At a subduction zone, the downgoing plate is always composed of what?
Oceanic lithosphere
What earthquake severity scale takes into account the type of rock that has been fractured?
Moment-magnitude scale
How is the distance to the epicenter of an earthquake determined using a seismograph?
By considering the delay time between the p-wave and the slower s-wave
What is the main difference between basaltic lavas and andesitic lavas?
Basaltic has less silica than andesitic
What type of volcano is Mt. Pinatubo?
Stratovolcano
What type of volcano is Mauna Loa (in Hawaii)?
Shield volcano
What type of volcano is the Columbia Plateau?
Continental flood basalts
What type of volcano is the Paricutin?
Cinder cone
What is the definition of the water table?
The layer between the saturated and unsaturated zones
What is the definition of a losing stream?
Where the water from a streambed disappears into the ground
What is the definition of an artesian stream?
The area where pressurized groundwater flows naturally at the surface
The stream gradient of most rivers is ____ near the source than near the mouth
Greater
What is the climate in areas around 30 degrees N and 30 degrees S?
Dry air is descending and causing increased evaporation
What winds are found at 0-30 degrees?
Trade winds
What winds are found at 30-60 degrees?
The westerlies
What winds are found at 60-90 degrees?
Polar easterlies
How thick is the crust?
20-100km
How thick is oceanic crust?
5-10km
Who is behind the sea floor spreading theory?
Hess
Who is behind the continental drift theory?
Wagener
what happens in normal faults to the hanging wall and what stress is it?
The stress is tension and the hanging wall moves down
what happens in reverse faults to the hanging wall and what stress is it?
The stress is compression and the hanging wall moves up
What type of material do secondary waves move through?
Solids
What waves cause the most damage?
The surface waves
Which volcanoes are found on subduction zones?
Stratovolcanoes
Which volcanoes are the most explosive?
Stratovolcanoes
What are recharge areas?
Areas where the water goes into the ground (adds to ground water)
What are discharge areas?
Areas where the water goes out of the ground
What subcategory minerals are the most abundant?
Non-metallic
What type of mineral deposits come from hot water?
Hydrothermal
Author
Anonymous
ID
84057
Card Set
Geology
Description
environmental geology
Updated
2011-05-05T23:52:05Z
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