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GLY 3163 Module 4 - Death Valley & Grand Teton Exam Study Guide
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GLY 3163 Module 4 - Death Valley &Grand Teton Exam Study Guide
Death Valley National Park -Answer -Tectonic setting of lithospheric and crustal
extension as well as landforms typical of regions under extension
Death Valley : Basin and Range Province -Answer - a region of elongated mountains and
valleys produced by extension and rifting of Western North America
Death Valley is on the the most ... -Answer geologically active parts of the Basin and
Range Province with a crust that's been dramatically thinned by extension, resulting in
the lowest elevations on the North American continent.
Death Valley is on the ________________________ side of the Basin and Range Province.
-Answer far Western
The Basin and Range Province activity (Death Valley) is concentrated on the Western
side, which is ...? -Answer just East of the Sierra Nevada range, and on the Eastern side,
along the edge of the Colorado Plateau.
Most activity in Death Valley occurs on what boundaries? -Answer Eastern and Western
boundaries
Death Valley and the adjacent mountain ranges are bounded by what? -Answer Faults ;
including:
- Normal faults (which extend the crust, uplifting foot wall mountains and forming basins
in the hanging wall)
- Strike - slip faults (which link the normal faults together)
Normal faults in DV are mostly concentrated where? -Answer on the Eastern side along
the range front of the Black Mountains
Strike - slip faults are located on what end of Death Valley? -Answer Northern end
- Called the Furnace Creek or FC fault zone
Southside of Death Valley is called the what? -Answer Southern Death Valley Fault Zone
The two strike-slip faults link what together? -Answer They link the normal faults
together with a whole series of regional faults
The Death Valley normal fault is located near the base of what? -Answer the base of a
mountain range on the Eastern side of DV
, Death Valley is the lowest, driest, and hottest part of North America. -Answer TRUE
DV lies in the rain shadows of ? -Answer Three mountain ranges
Why is the air in Death Valley so dry ? -Answer As air travels from the ocean over the
Eastern side of the Sierras, air compresses as it heats and descends and becomes
increasingly drier every time it does that. By the time it reaches Argus, then Panamint,
then Death Valley, it is EXTREMELY dry!
Dunes cover less than about _________ of the desert surfaces worldwide. -Answer 30%
What is an example of a classic desert landform that Death Valley has? -Answer Along
the Black Mountains at the Eastern side of DV :
- Dune fields
- Barren mountain ranges
- Devoid of vegetation
- Alluvial fans at the ends of streamed valleys
- Dry stream beds
- Salt pans
- Dried up lakebeds
The major fault zone within DV lies at the base of ...? -Answer the mountain range on the
EASTERN side of the valley
Death Valley is extending along a series of normal faults, which ...? -Answer Break the
crust in such a way that it becomes longer in the direction of extension
(DV) Rocks above the faults move _________________, forming basins -Answer
downwards
(DV) Rocks beneath the faults move _______________, forming ranges -Answer upwards
Are normal faults still active in Death Valley ? -Answer YES, they are still active!!
What is the most dramatic evidence for recent faulting along the Black Mountains range
front (Eastern side of DV) ? -Answer The sheer suddenness of the valley, mountain
transition, and the linear nature of the fault trace at the base of the mountain front
Wine Glass Canyons (DV) -Answer Upper part of the canyon is much wider than the
lower part, like a wine glass shape
- This is due to the mountain range uplifting so rapidly that erosion in the stream valley
can't keep up with the uplift
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