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Red Hematitic Chert (jasper) on Greenstone by Brian Allison

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About This Gigapan

Taken by
Brian Allison Brian Allison
Explore score
0.27 Gigapixels
Date added
Aug 12, 2013
Date taken
Aug 07, 2013

An outcrop in Gilbert, Minnesota that consists of 2,700 million year old greenstone with red hematitic chert (jasper) of the Biwabik Iron Formation lying on top of the greenstone. The contact between the two the greenstone and the jasper represents the passing of 800 million years.

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Stitcher Notes


GigaPan Stitch version 2.1.0160 (Macintosh)
Panorama size: 266 megapixels (21848 x 12208 pixels)
Input images: 143 (13 columns by 11 rows)
Field of view: 60.3 degrees wide by 33.7 degrees high (top=-25.7, bottom=-59.5)
Vignette correction off
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot S3 IS
Image size: 1600x1200 (1.9 megapixels)
Capture time: 2013-08-07 13:34:07 - 2013-08-07 13:48:14
Aperture: f/8
Exposure time: 0.004
ISO: unknown
Focal length (35mm equiv.): 435.8 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 8.8 to 52.4 percent
Vertical overlap: 5.0 to 20.5 percent
Computer stats: 8192 MB RAM, 4 CPUs
Total time 2:26 (1.0 seconds per picture)
Alignment: 1:16, Projection: 11 seconds, Blending: 1:00
(Preview finished in 1:41)

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