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Bishop Tuff in the Chalfant Quarry by ahochstaedter

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About This Gigapan

Taken by
ahochstaedter ahochstaedter
Explore score
0.49 Gigapixels
Date added
Dec 16, 2011
Date taken
Aug 12, 2011

Chalfant Quarry exposes non-welded sections of the Bishop Tuff. The two units seen here are a lower ash fall, which is relatively well sorted, and an upper ash flow, which is unsorted. According to Hildreth and Wilson (2007) the ~600 cubic km of ejecta from this eruption was emplaced over a period of about six days 760 thousand years ago.

The Chalfant Valley and the White Mountains can be seen on the left side of the image.

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Stitcher Notes


GigaPan Stitch version 1.0.0805 (Windows)
Panorama size: 490 megapixels (39636 x 12364 pixels)
Input images: 90 (15 columns by 6 rows)
Field of view: 122.3 degrees wide by 38.2 degrees high (top=22.8, bottom=-15.4)
All default settings
Original image properties:
Camera make: PENTAX
Camera model: PENTAX K-r
Image size: 4591x3049 (14.0 megapixels)
Capture time: 2011-08-12 13:19:07 - 2011-08-12 13:25:59
Aperture: f/7.1
Exposure time: 0.0008
ISO: 200
Focal length (35mm equiv.): 132.0 mm
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 44.2 to 48.5 percent
Vertical overlap: 36.3 to 43.8 percent
Computer stats: 8098.69 MB RAM, 8 CPUs
Total time 11:52 (7.9 seconds per picture)
Alignment: 2:41, Projection: 2:35, Blending: 6:36
(Preview finished in 7:01)

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