APSC 151 Exam Questions and Answers
100% Correct
The Precambrian (Hadean, Archean and Proterozoic Eons) accounts for ________.
A) the first 88% of Earth history and the geologic time scale
B) the segment of geologic time prior to uniformitarianism taking effect
C) all of the periods after the Permian
D) the first 8%of Earth history
E) the time since the last glaciation - ANSWER-A
The Earth's core was formed from ________. A) a massive nickel iron asteroid that was the nucleus upon which Earth condensed B) high density radioactive carbon C) the left over nickel and iron that would not fit into the earlier formed crust and mantle D) molten iron and nickel that separated from silicates and sank due to its higher density E) cheese (yes this was really on the test, daddy D is a funny guy) - ANSWER-D
The San Andreas fault in California and the Alpine fault in New Zealand are good examples of A) convergent margins between oceanic plates B) emergent ocean basins C) divergent oceanic crust D) transform faults that cut continental crust E) normal faults - ANSWER-D
How are the Icelandic volcanoes related to plate tectonics? A) They lie on a spreading centre where two plates are converging. B) They lie on a subduction zone where two plates are converging. C) They lie on a spreading centre where two plates are moving apart and they are over a hot spot. D) They lie along a subduction zone where two plates are diverging. E) They are over a major transform boundary - ANSWER-
The downslope transfer of loose rock and soil particles by the force of gravity is called ________. A) Gravity B) mass wasting C) mass migration D) an avalanche E) slopewash - ANSWER- The oceanic crust is made of mafic rock called ________ and is about ________ thick on average. A) basalt, 7 km B) marine sedimentary rocks, 25 km C) basalt, 70 km D) peridotite, 100km E) granite, 35-40 km - ANSWER-A
Which one of the following statements is not correct? A) Metamorphic rocks may melt to magma. B) Sedimentary rocks may weather to igneous rocks. C) Magmas crystallize to form igneous rocks. D) Sedimentary rocks may become schists. E) Igneous rocks can undergo metamorphism. - ANSWER-B
The natural chemical and mechanical decomposition of rocks at Earth's surface is termed A) Decrepitation B) de-lithification C) erosion D) solifluction E) weathering - ANSWER-
________ rocks always originate at the surface of the Earth. A) Secondary B) Igneous C) Peridotitic D) Metamorphic E) Sedimentary - ANSWER-
The west coast of South America is associated with a ________ plate boundary. A) Convergent B) transform C) locked D) divergent E) strike-slip - ANSWER-
Plates are sliding past one another horizontally along a ________ plate boundary. A) Transform B) convergent C) tabular D) divergent E) subduction - ANSWER-
Which one of the following is false for minerals? A) They have a specific, internal, crystalline structure.
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