quiz3.KEY - GEOL 101-501-509 Quiz#3 Form A Marcantonio...

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GEOL 101—501-509 Quiz #3 Form A Marcantonio Spring 2007 Name _________________________________ 1) Which of the following best characterizes an angular unconformity? 4) Visualize five, horizontal, sedimentary strata exposed in a cliff or canyon wall identified by consecutive numbers, 1 being the lowest bed and 5 being the highest. Which of the following statements concerning the strata are true? A) Tilted strata lie below the unconformity; bedding in younger strata above is parallel to the unconformity. A) bed 5 is the oldest B) Horizontal lava flows lie below the unconformity and horizontal, sedimentary strata lie above. B) beds l and 3 are older than bed 4 C) The discordant boundary between older strata and an intrusive body of granite. C) bed 4 is older than bed 2 D) Tilted strata lie below the unconformity with loose, unconsolidated soil above D) bed 3 is older than beds 2 and 4 2) Tektites originate in what metamorphic environment? 5)
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quiz3.KEY - GEOL 101-501-509 Quiz#3 Form A Marcantonio...

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