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24 Cards in this Set
- Front
- Back
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Which of the following statements is FALSE about the Wilson cycle? A. The compressional phase often includes a strike-slip component. B. The extensional phase primarily creates arc-related basins. C. The compressional phase will open new ocean basins. |
B. The extensional phase primarily creates arc-related basins. |
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True or false: the geological record for Scotland fits with a history involving several phases of extensional and compressional tectonics. |
True |
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True or false: extensional basins commonly host significant hydrocarbon reserves. |
True |
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The Himalayas were formed by the collision of the Indian plate with which other tectonic plate? |
Eurasian plate |
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True or false: the Triassic period had a cold to moderate climate. |
False |
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True or false: the causes of all global mass extinctions are well understood. |
False |
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Name the Scottish terranes |
1. The Herbidean & Northern Highlands Terrane 2. The central Highlands Terrane and HBC 3. The Midland Valley Terrane 4. The Southern Uplands Terrane |
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Sedimentary Basins in the north sea are examples of which type if basin: |
Extensional basins |
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Stromatolites are: |
Type of microbial mats |
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The Cambrian explosion refers to: |
A sudden increase in complex organisms |
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Name the stages of the Wilson cycle |
A. Stable Craton B. Early Rifting C. Full Ocean Basin D. Subduction Zone E. Closing Remnant Ocean Basin F. Collision Orogeny G. Peneplained Mountain
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The following is an example of what? |
A passive margin |
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Turbidite bedding is an example of what? |
Fining upwards |
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Which major event took place approx. 65 million years ago? |
K/T Imoact |
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Which statement correctly decides the earth into its two main eons? |
We started at the precambrian the progressed to the Phanerozoic |
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Which of the following statements is FALSE about the Iapetus ocean: A. The precursor to the Atlantic Ocean B. Closed in the Silurian C. Formed during the break up of Rodinia D. Formed during the break up of Pangaea |
D. Formed during the break up of pangaea |
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Which of the following is false about sedimentary basins? A. An area of subsidence B. Generally greater then 500m thick C. Largely controlled by tectonics and climate D. Must always contain fossil species |
D. Must always contain fossil species |
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What are the dominant controls of basin development? |
Compressional tectonics Extensional tectonics Strike slip tectonics Arc-related tectonics |
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True or false: oceanic crust is commonly preserved throughout the earth's geological history |
False (subduction) |
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True or false: the north sea is a failed rift system basin |
True |
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True or false: hydration is a physical weathering process |
False |
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Which of the following is NOT a weathering process? A. Diagenesis B. Mechanical C. Oxidation D. Leaching |
Diagenesis |
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Select all statements that are TRUE regarding the geological history of Scotland: A. Moine and Dalradian deposition occurred during the break up of Rodinian B. The Lewisian complex hosts the oldest rocks in Scotland C. The Caledonian Orogenic event was responsible for the deposition of the Moine and Dalradian D. The Old Red Sandstone was deposited at the same time as the Moine E. The Iapetus closed in the Silurian |
A. Moine and Dalradian deposition occurred during the break up of Rodinia B. The Lewisian Complex hosts the oldest rocks in Scotland F. The Iapetus closed in the Silurian |
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Which of the following statements are TRUE regarding the North Sea geology? A. The Kimmeridge clay is the mein source rock for North Sea hydrocarbons B. The majority of the basement material is Lewisian, Moine and Dalradian C. The late Carboniferous saw the Variscian Orogenic event D. The Devonian fishbeds are the main source rock for North Sea hydrocarbons E. Permian and Triassic stratigraphy is easy to understand due to vast numbers of fossils F. The Jurassic was dominated by preponderance of chalk G. The Cenozoic brought about significant vulcanism H. Igneous material (lavas, intrusions) make it difficult to view the deep subsurface using seismic data |
A. The Kimmeridge clay is the main source rock for North Sea hydrology C. The late Carboniferous saw the Variscian Orogenic event H. Igneous materials (lava, intrusions) make it difficult to view the deep subsurface using seismic data |
