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Snowball Earth Educational Rock Sample Suite 29 by Robin Rohrback-Schiavone

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About This Gigapan

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Taken by
Robin Rohrback-Schiavone Robin Rohrback-Schiavone
Explore score
1
Size
0.21 Gigapixels
Views
554
Date added
Aug 01, 2012
Date taken
 
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Description

Massive clast-rich ferruginous diamictite from the Storeelv Formtion in East Greenland. The clasts are of similar composition to those in East Greenland sample D-6, but the matrix in 29 is rich in fine-grained terriginous minerals that give this basal tillite its ferrginous color.

Sample is 8.5 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

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GigaPan Stitch version 2.0.0501 (Windows)
Panorama size: 205 megapixels (17948 x 11452 pixels)
Input images: 42 (7 columns by 6 rows)
Field of view: 17.6 degrees wide by 11.2 degrees high (top=3.9, bottom=-7.4)
Settings:
Vignette correction on: c1=0.00957 c2=-0.044
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: 59.0 to 60.6 percent
Vertical overlap: 53.3 to 55.7 percent
Computer stats: 4000.13 MB RAM, 4 CPUs
Total time 4:57 (7.1 seconds per picture)
Alignment: 18 seconds, Projection: 1:19, Blending: 3:20
(Preview finished in 2:10)

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