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Metamorphic Rocks > Difficult Run Migmatite 1 by Chris Johnson

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About This Gigapan

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Taken by
Chris Johnson Chris Johnson
Explore score
1
Size
0.37 Gigapixels
Views
487
Date added
Nov 03, 2012
Date taken
Sep 09, 2012
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Description

This outcrop can be found along the Difficult Run Trail north of Georgetown Pike. The North. This is part of the Mather Gorge Formation. A proterozoic metagraywacke. This outcrop is an example of partial melting in action. As the graywacke underwent high grades of metamorphism some of the minerals (particularly quartz and feldspars) began to melt and reform. This migmatite and others like it are the result of tectonic collisions during the Taconic and Acadian Orogenies.


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Stitcher Notes

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GigaPan Stitch version 2.0.0501 (Windows)
Panorama size: 374 megapixels (23208 x 16116 pixels)
Input images: 132 (12 columns by 11 rows)
Field of view: 36.7 degrees wide by 25.5 degrees high (top=20.0, bottom=-5.4)
Settings:
Vignette correction on: c1=-0.0545 c2=-0.0223
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot SX120 IS
Image size: 3648x2736 (10.0 megapixels)
Capture time: 2012-09-09 08:38:57 - 2012-09-09 08:53:59
Aperture: f/4.3
Exposure time: 0.05
ISO: 80
Focal length (35mm equiv.): 361.4 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 50.4 to 54.6 percent
Vertical overlap: 50.1 to 52.5 percent
Computer stats: 8183.89 MB RAM, 4 CPUs
Total time 23:52 (11 seconds per picture)
Alignment: 6:44, Projection: 6:43, Blending: 10:26
(Preview finished in 15:51)

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