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Snowball Earth > Snowball Earth Educational Rock Sample Suite TS-15 by Robin Rohrback

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About This Gigapan

Taken by
Robin Rohrback Robin Rohrback
Explore score
0.36 Gigapixels
Date added
Jul 25, 2012
Date taken

A massive clast-rich diamictite interpeted as a basal tillite deposited in direct contact with glacial ice. From the middle member of the Ghaub Formation in Namibia.

Sample is 13 cm across at its widest point.

This sample is from the Snowball Earth Educational Rock Sample Suite, and comes courtesy of Paul Hoffman, Harvard University; Eugene Domack, Hamilton College; and Timothy Fox, Hamilton College.
For more information on the Snowball Earth Educational Rock Sample Suite, visit www.snowballearth.org/samples.html Will open in a new tab or window .
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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Stitcher Notes


GigaPan Stitch version 2.0.0501 (Windows)
Panorama size: 358 megapixels (24436 x 14660 pixels)
Input images: 80 (10 columns by 8 rows)
Field of view: 16.8 degrees wide by 10.1 degrees high (top=8.2, bottom=-1.9)
Vignette correction on: c1=-0.155 c2=0.0384
All default settings
Original image properties:
Camera make: unknown
Camera model: unknown
Image size: 5184x3456 (17.9 megapixels)
Capture time: unknown
Aperture: unknown
Exposure time: unknown
ISO: unknown
Focal length (35mm equiv.): unknown
White balance: unknown
Exposure mode: unknown
Horizontal overlap: 58.4 to 60.0 percent
Vertical overlap: 53.4 to 55.8 percent
Computer stats: 4000.13 MB RAM, 4 CPUs
Total time 9:03 (6.8 seconds per picture)
Alignment: 30 seconds, Projection: 2:35, Blending: 5:58
(Preview finished in 4:13)

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