Taken 20-Jul-11
Visitors 5


43 of 57 photos
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Categories & Keywords

Category:Travel and Places
Subcategory:North America
Subcategory Detail:United States of America
Keywords:arizona, canyon, grand canyon, grand canyon national park, grand canyon south rim, national park, park, south rim
Photo Info

Dimensions4050 x 2691
Original file size22.8 MB
Image typeTIFF
Color spacesRGB
Date taken20-Jul-11 21:31
Date modified2-Jan-12 16:29
Shooting Conditions

Camera makePENTAX
Camera modelPENTAX K-7
Focal length50 mm
Focal length (35mm)75 mm
Exposure1/30 at f/4
FlashNot fired, compulsory mode
Exposure bias+1 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 200
Metering modeSpot
South Rim of Grand Canyon  AZ-7

South Rim of Grand Canyon AZ-7

The Grand Canyon is 277 miles long, up to 18 miles wide and attains a depth of over a mile. Nearly two billion years of the Earth's geological history have been exposed as the Colorado River and its tributaries cut their channels through layer after layer of rock while the Colorado Plateau was uplifted. While the specific geologic processes and timing that formed the Grand Canyon are the subject of debate by geologists recent evidence suggests the Colorado River established its course through the canyon at least 17 million years ago.Since that time, the Colorado River continued to erode and form the canyon to its present-day configuration.