Test
Geology Midterm #1
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Preguntas del test (59)
1Which of the following are parts of the hydrologic system?
- AGlaciers
- BRivers
- CHurricanes
- DMountain Building
- EOcean currents
- FErosion
- GGround water
2Mountains like the Andes in South America are formed in this tectonic environment?
- Aocean rift zone
- Bcontinental collision zone
- Clateral shear zone
- Dsubduction zone
3What features on the edges on continents is formed by ice age fluctuations of sea level as much as 400 feet?
- Asea cliffs
- Bcontinental shelves
- Cbeaches
- Dreefs
- Evolcanic arcs
4The kind of meteorites that contributed to the composition of the mantle and crust were....
- Airon meteorites
- Bstony meteorites
- Cstony-iron meteorites
5Radar altimetry is a cutting edge technique that can map the ocean floor by using...
- Asatellites
- Bsubmarines
- Cships
- Dearthquakes
- Emagnetism
6What is ALWAYS directly related with a subduction zone?
- Acontinental crust
- Brifting
- Cearthquakes
- Docean crust
- Evolcanoes
7Which two data sets led to the idea of sea floor spreading?
- Ashape of the continents
- Bage of the ocean floor
- Cshape of the ocean floor
- Dpatterns of volcanic islands
8A divergent plate boundary where rifting is occurring would be formed over areas with...
- Asubduction
- Bcold mantle
- Csinking mantle beneath
- Drising mantle beneath
9Which of the following planets does not fit with the rest based on its composition?
- AMars
- BVenus
- CMercury
- DJupiter
- EEarth
10Where on Earth would the magnetic inclination be perpendicular in reference to the planet surface?
- AEquator
- Bmid latitudes
- Cnorth pole
11The San Andreas Fault is this type of fault...
- Aleft lateral fault
- Bright lateral fault
- Cnormal fault
- Dthrust fault
12Which of the following would be likely characteristics of a large subduction zone quake?
- Asmall fault displacement
- Blong duration shaking
- Ca tsunami
- Dlong fault rupture
13The largest magnitude 9 earthquakes occur on this type of plate boundary
- Atransform faults in continental crust
- Bmid-ocean ridge normal faults
- Ccontinental collision zones
- Dsubduction zones
14Stress transfer models show that after a slip event (earthquake) the entire area surrounding the fault will show a decrease in stress?
- AVerdadero
- BFalso
15All global tectonic plates move at the same rate of about 5 centimeters per year
- AVerdadero
- BFalso
16The most accurate value (quantitative) for an earthquake's magnitude is given by the ____?
- Aacceleration scale
- Bmodified mercalli scale
- Crichter scale
- Dmoment magnitude scale
17Which of the following earthquakes would likely kill the most people due to seismic shaking?
- Aa magnitude 7 on an ocean transform fault system
- Bdeep magnitude 9 quake 100 miles from the coast
- Ca magnitude 8 in a sparsely populated area like central Alaska
- Dshallow rupture magnitude 7 in an old city
18Which of the following would have the least effect on earthquake damage?
- Amagnitude of the earthquake
- Bfoundation materials below a city
- Cdistance from a city to the earthquake's focus
- Daccelerations generated by the seismic waves
- Ethe structural competence of the buildings in a city
19LA is situated in a seismically vulnerable place because....
- Athe city is vulnerable to a tsunami from a large San Andreas earthquake
- Bthe city is very old and there has been limited seismic retrofitting
- Cthe city sits on a sedimentary basin that amplifies seismic waves
- Dthe San Andreas Fault runs right through the city
20When examining a seismogram record of an earthquake we can look at the time difference between the arrival of the p-wave and s-wave and determine the ____
- Aduration of the quake
- Bseismic acceleration
- Cdistance to earthquake focus
- Dmagnitude of the quake
21The extensive system of ocean ridges that wrap around the world are places where ____ is occurring?
- Arifting
- Bnormal faults and extension
- Cbasalt volcanism
- Dsea floor spreading
- Esubduction
- Fthrust faults and compression
22Nearly all of the large global tectonic plates contain
- Aocean crust
- Bcontinental crust
- Cocean and continental crust
23Which segment of the San Andreas Fault is given the highest chance of rupturing?
- Athe northern segment from San Francisco to Oregon
- Bthe southern segment from Palm Springs to the Imperial Valley
- Cthe central segment from San Jose to San Bernardino
24The youngest ocean crust on Earth is found near ____
- Aocean ridges
- Btrenches on the Pacific Ocean floor
- Csubduction zones
- Dthe margins of the Atlantic Ocean
25Which of the following quakes did not generate a tsunami?
- AJapan 2011
- BChile 1960
- CNorthridge 1994
- DIndonesia 2004
26Choose the two minerals that are common IN continental crust and NOT IN ocean crust?
- Acalcium plagioclase
- Bolivine
- Cquartz
- Dorthoclase
- Epyroxene
27The largest single crystals ever discovered on earth are...?
- Agypsum
- Bquartz
- Chalite
- Dcalcite
28What is unique about the mineral muscovite?
- Ait is rare and valuable
- Bit is often colored a dull red
- Cit has a lower specific gravity than water
- Dit has one direction of perfect cleavage
- Eit is a strong electrical conductor
29Which two minerals are called "micas"?
- Acalcite
- Bmuscovite
- Cbarite
- Dbiotite
30All igneous minerals contain which of the following two elements?
- Acalcium, iron
- Biron, silicon
- Ccarbon, iron
- Dpotassium, sodium
- Eoxygen, silicon
- Fcalcium, silicon
31The spice we call salt is actually a mineral called...
- Ahalite
- Bgypsum
- Cbentonite
- Dcalcite
32What volcanic rock would be composed of pyroxene and na-plagioclase with minor olivine and hornblende?
- Agabbro
- Bgranite
- Cbasalt
- Ddacite
33This mineral is clear-white and softer than your fingernail...?
- Abentonite
- Bgypsum
- Ccalcite
- Dhalite
34Higher specific gravity minerals are the ones that...
- Ahave atoms with higher atomic numbers
- Bhave tightly packed atoms
- Chave the greatest hardness
- Dmake larger crystals
35Which of the following minerals does NOT contain iron?
- Apyroxene
- Bbiotite
- Cquartz
- Dolivine
- Ehornblende
36What would you name a VOLCANIC igneous rock that contained mostly potassium, feldspar, and quartz?
- Aandesite
- Bgranite
- Crhyolite
- Ddiortite
37What is NOT true about rocks that contain iron and magnesium?
- Athey have higher specific gravities
- Bthey have lower percentages of silica
- Cthey are found more in ocean crust
- Dthey are light in color
38When applying the three Vs, magma that contains a high percentage of [blank_start]volatiles[blank_end] would erupt violently if it also had a high viscosity?
- Avolatiles
39The most common type of igneous rock that creates the ocean floor is...
- Agranite
- Brhyolite
- Candesite
- Dbasalt
40Which of the following is NOT a physical property of minerals?
- Ahardness
- Bcrystal structure
- Cchemical composition
- Dluster
- Ecolor
- Ftexture
- Gcleavage
- Helasticity
41What determines the TEXTURE of an igneous rock? (select three)
- Atemperature of eruption
- Bmagma viscosity
- Crate of cooling
- Dsize of crystals
- Edepth of crystallization
- Ftype of crystals
42The most common mineral that is a NON-SILICATE is...
- Amuscovite
- Borthoclase
- Ccalcite
- Dquartz
43Which of the following minerals does NOT contain iron?
- Apyroxene
- Bquartz
- Cbiotite
- Dhornblende
44What common silicate rock is often seen as a light pink crystal?
- Aorthoclase
- Bquartz
- Cmuscovite
- Dplagioclase
45What is a good description of a pyroclastic flow?
- Ahot and very fluid lava moves fast down the flanks of the volcano
- Ba moving mass of pumice ash and breccia that tumbles forward very slowly
- Cwater and lava violently mix and explode, then the mass moves down the sides of the volcano at high speeds
- Dhigh pressure magma explodes out of the volcano producing a wave of dense hot ash, gas and fragments that slide down the volcano's flanks
46Which of the following ARE TRUE about magma?
- Amagma and lava are essentially the same thing
- Bmagma that creates the ocean floor is a low temperature variety
- Cmagma that forms continental crust is relatively (for lava) high temperature
- Dmagma that rises to erupt on the ocean floor produces a very fluid lava
- Efluid magma is what the mantle of the earth is like
47Which of the following is made up of the least number of elements?
- Aquartz
- Bpotassium feldspar
- Cbiotite
- Dolivine
48This mineral is clear-white and softer than your fingernail
- Ahalite
- Bbentonite
- Cgypsum
- Dcalcite
49Which of the following elements is not a common component in silicate rocks?
- Aaluminum
- Bmagnesium
- Cpotassium
- Dsodium
- Ecarbon
- Firon
- Goxygen
- Hcalcium
50Which mineral would not be found in granite?
- Aolivine
- Bplagioclase
- Cquartz
- Dorthoclase
51What common silicate mineral is often seen as a light pink crystal?
- Aquartz
- Bmuscovite
- Corthoclase
- Dplagioclase
52What common mineral found in ocean crust, and in the mantle, is green in color?
- Aplagioclase
- Bjade
- Colivine
- Dmuscovite
- Eemerald
- Fquartz
53Which two elements are more common in continental crust than ocean crust?
- Acalcium
- Biron
- Csodium
- Dpotassium
54The closest super volcano to San Diego is located in...
- AWashington
- BIndonesia
- CHawaii
- DNorthern California
- EAlaska
- FOregon
55What kind of volcanic feature would form by the MOST violent kind of eruption?
- Acaldera complex
- Bvolcanic dome
- Ccinder cone
- Dshield volcano
56Based on geologic and historic evidence, volcanoes or their eruptions can be characterized to have a "type" of behavior. Which of the following would be the MOST violent volcanic event?
- Aa Pelean eruption
- Ba Plinian eruption
- Ca Hawaiian eruption
- Da Strombolian eruption
- Ea Vesuvian eruption
57What kind of igneous rocks form at a relatively LOW temperature?
- Afelsic
- Bmafic
- Cintermediate
- Dultramafic
58What would you name a VOLCANIC igneous rock that contained mostly potassium, feldspar, and quartz?
- Aandesite
- Bgranite
- Cdiortite
- Drhyolite
59The most common type of igneous rock that creates the ocean floor is...
- Aandesite
- Bbasalt
- Cquartz
- Dolivine
Información
- Descripción
- Geology Test sobre Geology Midterm #1, creado por Kyra Swenson el 05/03/2020.
- Autor
- Kyra Swenson
- Idioma
- English
- Visitas
- 5
- Etiquetas
- Valoración
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