Test
OCEN323
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Preguntas del test (25)
1Mountain Ranges, [blank_start]Fossil[blank_end] Distributions, [blank_start]Glaciation[blank_end], Coastlines and [blank_start]Rock units[blank_end] are some of the main evidence for Continental Drift.
- AFossil
- BOcean
- CPlant
- DContinental
- EGlaciation
- FErosion
- GRain forests
- HRock units
- ILakes
- JGold Mines
2The Oceanic Lithosphere...
- Athickens with age
- Bis 6km thick
- Cis 100-200km deep
3Which of the following describes the Asthenosphere?
- AIt thickens with age
- BIt immediately underlies the lithosphere
- CIt is weak/viscous
- DIt is near the melting point
- EIt is the upper layer that defines a plate
4Oceanic climatic zones are controlled by
- ASolar Irradiance
- BAtmospheric cells
- CThe land
- DAntarctica
5Which of the following is an example of a structural trap.
- A
- B
- C
- D
- A
6Label the types of sediment deposited throughout the oceans
- ACalcareous
- BDeep Sea Clay
- CSiliceous
- DGlacial
- ETerrigenous
7Which of the following list the requirements for a hydrocarbon prospect in order of formation?
- ASource, maturation, migration, reservoir, trap, seal
- BSource, migration, reservoir, seal, trap, maturation
- CReservoir, source, migration, maturation, seal, trap
- DTrap, reservoir, source, maturation, migration, seal
8Which of the following control the depth of the CCD?
- ASea Surface Temperature
- BWater Temperature
- CAmount of productivity
- DSediment source
- EBathymetry
- FOcean's pH
9Why are most of the world's beaches eroding?
- ASea level is rising
- BSea level is falling
- CClimate change creates more intense storms
- DWe are using hard engineering techniques
10Which of the following is a rifted passive margin?
- A
- B
- A
11Gas Hydrates are currently mined for large quantities of hydrocarbons.
- AVerdadero
- BFalso
12Evaporation has the greatest control over oxygen isotope fractionation.
- AVerdadero
- BFalso
13Free Air Gravity surveys are ideal for geophysics at sea, while Bougar Gravity surveys are ideal for geophysics on land.
- AVerdadero
- BFalso
14Coastal Features are controlled by...
- AGeology
- BHydrologic Regime
- CSediment source and transportation
- DWildlife
- EPrevailing winds
- FWater temperatures
15[blank_start]Marine[blank_end] processes, uplift or [blank_start]subsidence[blank_end], sea level rise and [blank_start]climate[blank_end] change all control erosion and/or [blank_start]accretion[blank_end] on a coastal system.
- AMarine
- Bsubsidence
- Cclimate
- Daccretion
16Which of the following are impacts from dredging?
- ARemoval of benthos
- BChanging local hydrodynamics
- CMoving contaminants
- DIncreased erosion
- EBigger ships = more tourists
- FMore traffic in the harbour
17Which of the following is representative of regional isostasy?
- A
- B
- A
18What is the problem with dipping reflectors in a seismic survey?
- AThe recorded geographical position is not the actual position where the reflections occurred.
- BThe seismic waves interfere with each other.
- CThe boat has to travel down-dip to do the survey.
19Free Air Gravity Surveys take into account...
- AElevation (change in radius)
- BLatitude (change in radius)
- CGeology (change in mass)
20Which isostatic model is likely to be more realistic?
- AAiry Isostasy
- BPratt Isostasy
- AAiry Isostasy
21Label the oceanic climatic zones
- AEquatorial
- BTropical
- CSub-tropical
- DTemperate
- ESub-polar
- FPolar
22What climatic zones are the following sedimentation types commonly found?
Shell carbonates : [blank_start]Temperate[blank_end]
Biogenic : [blank_start]Equatorial[blank_end]
Glacial : [blank_start]Polar[blank_end]
Coral Reefs : [blank_start]Tropical[blank_end]
Terrigenous : [blank_start]Tropical to Temperate[blank_end]- ATemperate
- BEquatorial
- CPolar
- DTropical
- ETropical to Temperate
23Clay Mineralogies vary with climate.
Chlorite is associated with [blank_start]mechanical[blank_end] weathering by [blank_start]glaciers[blank_end].
Illite is associated with weathering in [blank_start]terrigenous[blank_end] environments.
Kaolinite is only produced in [blank_start]temperate[blank_end] regions.- Amechanical
- Bchemical
- Cglaciers
- Drivers
- Eterrigenous
- Fmarine
- Gtemperate
- Hequatorial
24Oxygen 18 is preferentially stored in ice sheets while oxygen 16 is preferentially kept in the oceans.
- AVerdadero
- BFalso
25Cenozoic Climatic Events
Early Eocene Climatic Optimum: increased CO2 due to [blank_start]rifting and volcanism[blank_end]
Palecene-Eocene Thermal Maximum: runaway global warming with [blank_start]unknown catalyst[blank_end]
Eocene Cooling: decrease in CO2 due to [blank_start]Himalayan uplift[blank_end] and weathering, and opening of ocean gateways
Eocene-Oligocene Cooling: global glaciation due to [blank_start]circulation changes[blank_end] and orbital forces
Miocene Climatic Optimum: rapid increase in CO2 due to [blank_start]flood basalt volcanism[blank_end]
Neogene Cooling: ice sheets in Antarctica and Greenland due to continual [blank_start]CO2 decrease[blank_end]- Arifting and volcanism
- Bunknown catalyst
- CHimalayan uplift
- Dcirculation changes
- Eflood basalt volcanism
- FCO2 decrease
Información
- Descripción
- Test sobre OCEN323, creado por Sam Allan el 15/10/2017.
- Autor
- Sam Allan
- Idioma
- English
- Visitas
- 9
- Valoración
- Aún sin valoraciones Valora este test