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  Image: Geographic Location Direction Photo #: STS108-711-25 Date: Dec. 2001
Geographic Region: MOROCCO
Feature: ANTI ATLAS MOUNTAINS

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  The Anti-Atlas Mountains of northern Africa and the nearby Atlas mountains were created by the prolonged collision of the African and Eurasian tectonic plates, beginning about 80 million years ago. Massive sandstone and limestone layers have been crumpled and uplifted more than 4,000 meters in the High Atlas and to lower elevations in the Anti-Atlas. Between more continuous major fold structures, such as the Jbel Ouarkziz in the southwestern Anti-Atlas, tighter secondary folds (arrow) have developed.

Earlier, the supercontinent of Pangea rifted apart to form precursors to the Mediterranean and the Atlantic Ocean (Beauchamp and others, 1996). In those seas sands, clays, limey sediments, and evaporite layers (gypsum, rock salt) were deposited. Later, during the mountain-building plate collision, the gypsum layers flowed under the pressure and provided a slippery surface on which overlying rigid rocks could glide (Burkhard, 2001). The broad, open style of folds seen in this view is common where evaporites are involved in the deformation. Other examples can be found in the Southern Zagros of Iran and the Sierra Madre Oriental of Mexico.
 
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Images: All Available Images Low-Resolution 101k
Mission: STS108  
Roll - Frame: 711 - 25
Geographical Name: MOROCCO  
Features: ANTI ATLAS MOUNTAINS  
Center Lat x Lon: 29.0N x 9W
Film Exposure:   N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP: 10
 
Camera: HB
 
Camera Tilt: 46   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 110  
 
Nadir to Photo Center Direction: N   The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?:   Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number: 152  
 
Date: 20011215   YYYYMMDD
Time: 133559   GMT HHMMSS
Nadir Lat: 25.6N  
Latitude of suborbital point of spacecraft
Nadir Lon: 10.1W  
Longitude of suborbital point of spacecraft
Sun Azimuth: 198   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude: 207   nautical miles
Sun Elevation: 39   Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views: MOUNTAIN  
Water Views:  
Atmosphere Views:  
Man Made Views:  
City Views:  
Photo is not associated with any sequences


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