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23 Cards in this Set
- Front
- Back
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Zion Canyon is being eroded by the:
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North Fork of the Virgin River
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Some of the smaller streams in Zion only run intermittently, such as after a rainstorm. These streams are referred to as:
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Ephemeral
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Zion National Park is located at the southern edge of the:
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Markagunt Plateau
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Tributaries that are left hanging high and dry above the main canyon floor because they dont have the erosive capability to downcut as rapidly as the main stream are called: |
Hanging valleys |
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Most of the rocks exposed in Zion National Park are _____ in age |
Mesozoic
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Which geologic formation is Zion National Park most famous for? |
Navajo Sandstone |
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What was the environment of formation for the Navajo Sandstone? |
Desert windblown dunes
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A geologic unit that can supply water economically to a well is: |
Aquifer |
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The contact between an overlying permeable layer and an underlying impermeable layer is often marked by: |
Springs |
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Another term for windblown is: |
Eolian |
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Bedding at an angle to the horizontal is called: |
Cross bedding
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The Native American Indian name for the Zion region was: |
Mukuntuweap |
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Mukuntuweap means: |
Straight Canyon |
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The main agents of erosion in Zion are: |
Running water and mass wasting |
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Most of the rocks exposed in Zion are: |
Sedimentary |
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In what Period of geologic time did the Navajo Sandstone form? |
Jurassic
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T/F One might expect to see dinosaur footprints in Cenozoic-aged rocks. |
False
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T/F More of the erosion done by streams is during periods of flooding rather than during periods of normal water flow. |
True |
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T/F Water is a more important agent of erosion than wind. |
True
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T/F The steepest side of a sand dune is the windward side. |
False |
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T/F Earthquakes may occur in the Zion region of Utah. |
True
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T/F The rocks exposed in Zion are for the most part older than the rocks exposed in the Grand Canyon. |
False
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Famous part of Zion famous for Navajo sandstone cross bedding |
white cliffs
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