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Swift Dam, Montana by Callan Bentley

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About This Gigapan

Taken by
Callan Bentley Callan Bentley
Explore score
Print Pricing
$6.00 to $782.00
1.72 Gigapixels
Date added
Aug 07, 2011
Date taken
Jul 16, 2011

The Swift Dam area northwest of Depuyer, Montana, showcases Sever-style mountain building of the Cordilleran fold-and-thrust belt. Here, Mississippian carbonates have been arched eastward along asymmetric anticlines, and thrust over Cretaceous black shales originally deposited in the Western Interior Seaway. Notice how the limestone strata are horizontal on the left, and then begin to nose over (get steeper) to the right. To get a view of the "nose" of the fold, see this gigapan:

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Stitcher Notes


GigaPan Stitch version 1.1.1564 (Windows)
Panorama size: 1716 megapixels (61260 x 28028 pixels)
Input images: 273 (21 columns by 13 rows)
Field of view: 106.8 degrees wide by 48.9 degrees high (top=39.7, bottom=-9.2)
Vignette correction on: c1=-0.0882 c2=-0.0124
All default settings
Original image properties:
Camera make: Canon (+ 3 unknown)
Camera model: Canon PowerShot SX120 IS (+ 3 unknown)
Image size: 3648x2736 (10.0 megapixels)
Capture time: 2011-07-17 01:43:36 - 2011-07-17 02:08:43 (+ 3 unknown)
Aperture: f/5 (+ 3 unknown)
Exposure time: 0.0008 (+ 3 unknown)
ISO: 100 (+ 3 unknown)
Focal length (35mm equiv.): 361.4 mm (+ 3 unknown)
Digital zoom: off (+ 3 unknown)
White balance: Fixed (+ 3 unknown)
Exposure mode: Manual (+ 3 unknown)
Horizontal overlap: 2.6 to 38.1 percent
Vertical overlap: 14.0 to 98.8 percent
Computer stats: 3317.82 MB RAM, 4 CPUs
Total time 43:12 (9.5 seconds per picture)
Alignment: 13:17, Projection: 5:58, Blending: 23:57
(Preview finished in 23:53)

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