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25 Cards in this Set
- Front
- Back
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What is unique about Death Valley?
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It is the hottest place, includes the lowest place, and is the driest place in North America |
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Death Valley's famous "20-mule teams" were used to haul _____ ore out of the valley.
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borax |
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In what environment might we find braided stream channels?
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glacial areas and desert areas |
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The first people of European descent to discover Death Valley were looking for what?
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The gold field of California |
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Which U.S. president hosted Death Valley Days on television in the 1960s?
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Ronald Reagan |
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Death Valley is part of the _____ province. |
Basin and Range |
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What type of faults result from pull-apart or extensional tectonics?
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normal |
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What does plate tectonics predict for the ultimate fate of southern California?
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it will move north towards Alaska |
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What name is given to a shallow temporary lake in a dry desert region?
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Playa lake |
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Once the water evaporates from the shallow temporary lake, what do we call the resulting dry flat lake bed which may be covered in mud cracks?
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pluvium |
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What might you anticipate that you could mine on the dry flat lake bed?
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salts |
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What do we call a cone-shaped mound of debris at the mouth of a canyon in an arid region?
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alluvial fan |
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If many alluvial fans coalesce or overlap along the mountain front in an arid region, what name is given to the resulting landform which looks like an apron of sediment?
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bajada |
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What could you anticipate finding at the "toe" or end of an alluvial fan in Death Valley?
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springs and vegetation |
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An isolated peak sticking up above the valley fill sediment in a desert region is called a(n):
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inselberg |
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Where would you find the largest or coarsest sedimentary particles?
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high up on the allucial fan near the base of the mountain |
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How long ago did the extension in the western United States begin?
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about 16 million years ago |
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Death Valley National Park is located in what state(s)?
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California and Nevada |
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What is the name of the famous fault in California that marks the boundary between the Pacific Plate and the North American Plate?
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San Andreas |
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The covering of coarse cobbles left on the floor of the desert after the wind has blown away all the finer grains is called:
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Desert Pavement |
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True or False: There are places in Death Valley that are below sea level.
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True |
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True or False: The geology of Death Valley is structurally quite simple.
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False |
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True or False: Faults in Death Valley appear to still be tectonically active because of the present of young fault scarps. |
True |
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True or False: Death Valley is dry because it lies in the rain shadow of the Rocky Mountains. |
False, it's in the rain shadow of the Sierra nevada Mountains |
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True or False: Flash floods can be dangerous and even deadly.
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True |
