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Conway Robinson State Forest- Diabase by Alan Pitts

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About This Gigapan

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Taken by
Alan Pitts Alan Pitts
Explore score
13
Size
0.35 Gigapixels
Views
681
Date added
Apr 01, 2012
Date taken
Apr 01, 2012
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Description

These are exposures of Jurassic diabase which can be found on the north side of Conway Robinson State Forest near Gainesville, Va. Conway Robinson is located near the center of the Culpeper Basin, a Mesozoic rift basin related to crustal stretching during the break-up of Pangea. This diabase was the source of the basalt, which flowed on the surface during the break up of Pangea.
The outcrops have a very polygonal shape, which is due to series of wide-spaced vertical joints that break the rock into columns. There is also a series of horizontal joints which are more thinly spaced the vertical set.
This Image was taken as part of the MAGIC project (Mid Atlantic Geo Imagery Collection)


Gigapan Comments (2)

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  1. Alan Pitts

    Alan Pitts (April 02, 2012, 10:10AM )

    So far, I love it. Its compact, powerful and fits in the Epic. Not the greatest zoom power but the image quality is superb!

  2. Ron Schott

    Ron Schott (April 01, 2012, 09:03PM )

    Looks sharp. How do you like the new G12?

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Stitcher Notes

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GigaPan Stitch.Efx version 2.0.0500 (Macintosh)
Panorama size: 347 megapixels (27156 x 12784 pixels)
Input images: 77 (11 columns by 7 rows)
Field of view: 105.9 degrees wide by 49.9 degrees high (top=27.1, bottom=-22.8)
Settings:
Vignette correction on: c1=-0.0229 c2=-0.00434
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot G12
Image size: 3648x2736 (10.0 megapixels)
Capture time: 2012-04-01 14:44:25 - 2012-04-01 14:51:32
Aperture: f/4.5
Exposure time: 0.003125
ISO: 100
Focal length (35mm equiv.): 142.3 mm
Digital zoom: off
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 34.2 to 42.4 percent
Vertical overlap: 37.9 to 47.4 percent
Computer stats: 4096 MB RAM, 4 CPUs
Total time 5:00 (3.9 seconds per picture)
Alignment: 2:04, Projection: 42 seconds, Blending: 2:14
(Preview finished in 3:12)

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