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Snowball Earth Educational Rock Sample Suite 36 by Robin Rohrback

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About This Gigapan

Taken by
Robin Rohrback Robin Rohrback
Explore score
0.16 Gigapixels
Date added
Aug 02, 2012
Date taken

Cross-laminated sandstone composed primarily of well-rounded, coarse sand grains from the base of the Ulveso Formation. The Ulveso Formation has been interpreted as an immature aeolian deposit with a proglacial subaerial origin. This sample may have been deposited during a period of dry, windy conditions preceding the growth of a continental ice sheet. As ice accumulated, marine margin facies became remobilized and were deposited farther down the continental slope by the onset of glacial ice.

Sample is 5 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: 155 megapixels (13724 x 11356 pixels)
Input images: 30 (5 columns by 6 rows)
Field of view: 27.6 degrees wide by 22.9 degrees high (top=9.0, bottom=-13.8)
Vignette correction on: c1=-0.101 c2=0.0305
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: 59.2 to 60.7 percent
Vertical overlap: 53.8 to 55.5 percent
Computer stats: 4000.13 MB RAM, 4 CPUs
Total time 3:39 (7.3 seconds per picture)
Alignment: 18 seconds, Projection: 58 seconds, Blending: 2:23
(Preview finished in 1:38)

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