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Snowball Earth Educational Rock Sample Suite #22 by Robin Rohrback

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About This Gigapan

Taken by
Robin Rohrback Robin Rohrback
Explore score
0.19 Gigapixels
Date added
Sep 05, 2012
Date taken

East Greenland #22 is a finely laminated buff yellow cherty carbonate mudstone (dolostone). This sample was taken from the unit that directly overlies the Storeelv formation glacial deposits. The sharpness of the contact between the Storeelv glacial succession and the overlying cap carbonate implies a rapid transition of depositional environments.

The sample is 11.6 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: 186 megapixels (22244 x 8372 pixels)
Input images: 36 (9 columns by 4 rows)
Field of view: 15.6 degrees wide by 5.9 degrees high (top=4.0, bottom=-1.9)
Vignette correction on: c1=0.378 c2=-0.108
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: 58.5 to 59.5 percent
Vertical overlap: 52.3 to 55.4 percent
Computer stats: 4000.13 MB RAM, 4 CPUs
Total time 4:38 (7.7 seconds per picture)
Alignment: 14 seconds, Projection: 1:14, Blending: 3:10
(Preview finished in 2:02)

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