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Big Rocks Park by John Wells

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About This Gigapan

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Taken by
John Wells John Wells
Explore score
27
Size
1.47 Gigapixels
Views
2738
Date added
Aug 04, 2009
Date taken
Aug 01, 2009
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Description

Big Rocks is a city park built around a rock formation along the banks of the Paluxy River in downtown Glen Rose, Texas. The rock formation covers an area perhaps the size of a football field.

No one I spoke to knew much about the geological origins of the formation. I did hear lots of tal about mystery rocks that "didn't fit," with the formations around it. I couldn't find anything online either, so perhaps a resident gigapanning geologist might shed some light...?

Still and all, erosion has done some magnificent things to the rocks. Also, Big Rocks is the only place I've been where they post a warning sign about amoebas. :-) Apparently the stagnant river water can carry the organisms.


Gigapan Comments (1)

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  1. Ron Schott

    Ron Schott (August 14, 2009, 07:54PM )

    I don't know much about the geology of this area, but it looks to me like there's differential weathering with joint surfaces being dissolved at a much faster rate than the rest of the rock. Could be karstic limestone, but I just don't see enough evidence to make a positive ID on that. Could alternatively be sandstone or maybe even granite.

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Stitcher Notes

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GigaPan Stitcher version 0.4.3864 (Windows)
Panorama size: 1467 megapixels (88112 x 16658 pixels)
Input images: 280 (35 columns by 8 rows)
Field of view: 360.0 degrees wide by 68.1 degrees high (top=8.8, bottom=-59.2)
Settings:
All default settings
Original image properties:
Camera make: NIKON
Camera model: COOLPIX P5100
Image size: 4000x3000 (12.0 megapixels)
Capture time: 2009-08-01 10:08:41 - 2009-08-01 10:53:31
Aperture: f/5.3
Exposure time: 0.00168606 - 0.0187266
ISO: 64 - 108
Focal length (35mm equiv.): 123.0 mm
Digital zoom: off
White balance: Automatic
Exposure mode: Automatic
Horizontal overlap: 32.4 to 80.7 percent
Vertical overlap: 33.5 to 36.8 percent
Computer stats: 2814.42 MB RAM, 3 CPUs
Total time 8:00:55 (1:43 per picture)
Alignment: 1:21:36, Projection: 27:34, Blending: 6:11:44

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