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Lapilli - Sudbury Impact Layer by Brian Allison

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About This Gigapan

Taken by
Brian Allison Brian Allison
Explore score
0.42 Gigapixels
Date added
Oct 01, 2013
Date taken
Sep 29, 2013

Near the top of the Sudbury Impact Layer ejecta can be found that inferred to be accretionary lapilli. Lapilli are small ( < 1/2 inch) spheres of ash and other material that were ejected from the impact site and grew in size while being transported, before being deposited near the Gunflint Trail.

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Stitcher Notes


GigaPan Stitch version 2.1.0160 (Macintosh)
Panorama size: 419 megapixels (28528 x 14716 pixels)
Input images: 80 (10 columns by 8 rows)
Field of view: 47.3 degrees wide by 24.4 degrees high (top=-47.1, bottom=-71.5)
Vignette correction off
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot S3 IS
Image size: 2816x2112 (5.9 megapixels)
Capture time: 2013-09-29 13:23:47 - 2013-09-29 13:28:31
Aperture: f/8
Exposure time: 0.00125 - 0.0125
ISO: unknown
Focal length (35mm equiv.): 435.8 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Automatic
Horizontal overlap: 34.4 to 76.4 percent
Vertical overlap: 9.4 to 30.5 percent
Computer stats: 8192 MB RAM, 4 CPUs
Total time 2:49 (2.1 seconds per picture)
Alignment: 52 seconds, Projection: 19 seconds, Blending: 1:38
(Preview finished in 1:35)

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