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Anorthosite Roadcut (Wide) by Ron Schott

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About This Gigapan

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Taken by
Ron Schott Ron Schott
Explore score
97
Size
1.19 Gigapixels
Views
1781
Date added
Sep 07, 2011
Date taken
Aug 24, 2011
Gear

Canon EOS 550D (T2i)

GigaPan Epic100 (2nd generatio...

Categories
environmental, geology, landscape, nature, travel
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Description

State Route 3 through the northern Adirondacks is know to geologists as "The Anorthosite Highway" because of its spectacular cuts throught the Marcy Massif anorthosite unit. This is the first of a series of three GigaPans I shot at this roadcut to illustate the anorthosite at a range of scales.


Gigapan Comments (2)

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  1. Ron Schott

    Ron Schott (September 10, 2011, 10:30AM )

    Anorthosite is a specialized member of the gabbro family, and I wouldn't be too surprised to find that in some situations it may even be marketed as granite. It's certainly not rare in the Adirondacks (holding up the High Peaks region), or in the Saint Lawrence Valley - Labrador region of Canada, but globally it isn't that common a rock type. What's even more interesting is that massif-type anorthosites common in these areas are remarkably restricted in occurrence in the geologic time scale. Most massif-type anorthosites around the world were emplaced during the mid- to late-Proterozoic. They are much rarer outside this relatively narrow slice of geologic time.

  2. Chris Fastie

    Chris Fastie (September 10, 2011, 04:26AM )

    Poor anorthosite. Everybody has heard of granite, and many know that it forms when magma cools deep underground. Some also know that diorite and gabbro form the same way. But NOBODY has ever heard of anorthosite which is also a plutonic rock. Is that because it is rare, or because it makes a lousy building material, or is there a big conspiracy to keep it quiet?

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Stitcher Notes

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GigaPan Stitch version 1.2.0113 (Windows)
Panorama size: 1186 megapixels (79992 x 14828 pixels)
Input images: 105 (21 columns by 5 rows)
Field of view: 144.6 degrees wide by 26.8 degrees high (top=18.4, bottom=-8.4)
Settings:
Vignette correction on: c1=0.00184 c2=0.000905
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon EOS REBEL T2i
Image size: 5184x3456 (17.9 megapixels)
Capture time: 2011-08-24 12:28:00 - 2011-08-24 12:35:41
Aperture: f/8
Exposure time: 0.004
ISO: 100
Focal length (35mm equiv.): 212.3 mm
White balance: Fixed
Exposure mode: Manual
Horizontal overlap: 26.5 to 31.2 percent
Vertical overlap: 14.9 to 25.0 percent
Computer stats: 4010.17 MB RAM, 4 CPUs
Total time 18:33 (11 seconds per picture)
Alignment: 1:26, Projection: 2:17, Blending: 14:50
(Preview finished in 5:05)

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