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Magnetite muscovite schist from Thoroughfare Gap by Callan Bentley

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About This Gigapan

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Taken by
Callan Bentley Callan Bentley
Explore score
1
Size
0.19 Gigapixels
Views
1207
Date added
Apr 24, 2012
Date taken
Apr 24, 2012
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Description

Muscovite schist (metamorphosed Harpers Formation?) from Throroughfare Gap / Bull Run Mountain, Virginia, bearing euhedral porphyroblasts of magnetite.

Sample measures 8.5 by 2.5 cm.

Image made as part of the MAGIC project (Mid-Atlantic Geo-Imagery Collection) using Northern Virginia Community College's gigamacro rig, as seen here:
gigamacro.com/gigapixel-macro-imaging-system Will open in a new tab or window/


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The GigaPan EPIC Series, Purchase an GigaPan EPIC model and receive GigaPan Stitch complimentary

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Stitcher Notes

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GigaPan Stitch version 1.2.0087 (Windows)
Panorama size: 194 megapixels (21728 x 8936 pixels)
Input images: 72 (12 columns by 6 rows)
Field of view: 33.3 degrees wide by 13.7 degrees high (top=7.6, bottom=-6.0)
Settings:
Vignette correction off
Original image properties:
Camera make: unknown
Camera model: unknown
Image size: 4752x3168 (15.1 megapixels)
Capture time: unknown
Aperture: unknown
Exposure time: unknown
ISO: unknown
Focal length (35mm equiv.): unknown
White balance: unknown
Exposure mode: unknown
Horizontal overlap: 67.5 to 68.3 percent
Vertical overlap: 63.6 to 65.0 percent
Computer stats: 4000.13 MB RAM, 4 CPUs
Total time 4:58 (4.1 seconds per picture)
Alignment: 58 seconds, Projection: 47 seconds, Blending: 3:13
(Preview finished in 2:28)

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