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ASTER


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Escondida Mine, Chile
Click on Image to Enlarge
Escondida Mine, Chile

 (JPG) Escondida Mine, Chile (1.43 MB) ( 2,000 x 2,500 )
This ASTER image covers 30 by 37 km in the Atacama Desert, Chile and was acquired on April 23, 2000. The Escondida Cu-Au-Ag open-pit mine is at an elevation of 3050 m, and came on stream in 1990. Current capacity is 127,000 tons/day of ore; in 1999 production totaled 827,000 tons of copper, 150,000 ounces of gold and 3.53 million ounces of silver. Primary concentration of the ore is done on-site; the concentrate is then sent to the coast for further processing through a 170 km long, 9 pipe. Escondida is related geologically to three porphyry bodies intruded along the Chilean West Fissure Fault System. A high grade supergene cap overlies primary sulfide ore. The left image is a conventional 3-2-1 RGB composite. The right image displays SWIR bands 4-6-8 in RGB, and highlights lithologic and alteration differences of surface units. The image is located at 24.3 degrees south latitude and 69.1 degrees west longitude.

Click on thumbnails below for full resolution images.

Escondida Mine, Chile Escondida Mine, Chile
Type: (JPG)
Size: (1.43 MB)
Resolution ( 2,000 x 2,500 )
Escondida Mine, Chile Escondida Mine, Chile
Type: (JPG)
Size: (1.65 MB)
Resolution ( 2,000 x 2,500 )

Please give credit for these images to:
NASA/METI/AIST/Japan Space Systems,
and U.S./Japan ASTER Science Team

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FIRST GOV
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5557 hits since 09/15/06.
Added: 10/22/2001 9:48:30 AM
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