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Columnar Jointing > Pillow Basalts 5 by Jen Piatek

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About This Gigapan

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Taken by
Jen Piatek Jen Piatek
Explore score
1
Size
0.17 Gigapixels
Views
1114
Date added
Mar 07, 2009
Date taken
Mar 07, 2009
Gear

GigaPan w/Canon SD850

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Description

Fifth in a series of pans of exposures of the Talcott basalt (early Jurassic age, ~200 million years old) in Meriden, CT

The lower outcrop (Talcott basalt) isn't really pillowy here - the pillows outcrop more to the left of this pan. The distant upper outcrop (Holyoke basalt) is a slightly younger unit that exhibits columnar jointing - fractures that form as the lava cools and contracts. This is the source of the vertical cracks that are really obvious in the right part of the upper distant unit (between the trees).

See also:
www.gigapan.org/viewGigapan.php?id=18652
www.gigapan.org/viewGigapan.php?id=18547
www.gigapan.org/viewGigapan.php?id=18539
www.gigapan.org/viewGigapan.php?id=18532
www.gigapan.org/viewGigapan.php?id=18518


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Stitcher Notes

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GigaPan Stitcher version 0.4.3865 (Macintosh)
Panorama size: 168 megapixels (16263 x 10331 pixels)
Input images: 56 (8 columns by 7 rows)
Field of view: 72.4 degrees wide by 46.0 degrees high (top=39.3, bottom=-6.7)
Settings:
Use larger blending region
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot SD850 IS
Image size: 3264x2448 (8.0 megapixels)
Capture time: 2009-03-07 11:27:09 - 2009-03-07 11:31:50
Aperture: f/5.5
Exposure time: 0.003125
ISO: 100
Focal length (35mm equiv.): 140.4 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Automatic
Horizontal overlap: 46.6 to 57.3 percent
Vertical overlap: 44.5 to 47.6 percent
Computer stats: 2560 MB RAM, 2 CPUs
Total time 51:04 (0:54 per picture)
Alignment: 5:05, Projection: 3:20, Blending: 42:38

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