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Excavation Painel do Pilao Stone wall by Christopher Davis

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About This Gigapan

Taken by
Christopher Davis Christopher Davis
Explore score
0.25 Gigapixels
Date added
Jul 07, 2011
Date taken
May 13, 2011

This is the northeast wall profile of the excavation unit. The wall that is underneath the rock art panel gigapans title "Painel do Pilao". This profile shows evidence that the wall itself was carved. The groves are deep cut in hard iron-rich metamorphosed cryptocrystalline sandstone (i.e. quasi-quartz). The wall itself is very hard and we are not sure how a stone-age culture went about doing this, but the grooves were probably made to level the surface and make the wall planar. Therefore, in addition to being artists, the culture might have been ancient prehistoric paleolithic masons! The soil level today comes up to almost completely bury these masonry marks. After seeing these marks, we decided to reexamine several monuments we thought were conspicuous. We concluded and are now building evidence to support the theory that the culture here were the "Ancient Stone Masons of the Amazon"

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Stitcher Notes


GigaPan Stitch version 1.1.1565 (Macintosh)
Panorama size: 248 megapixels (16724 x 14852 pixels)
Input images: 48 (6 columns by 8 rows)
Field of view: 128.2 degrees wide by 113.9 degrees high (top=54.0, bottom=-59.9)
Vignette correction on: c1=0.0129 c2=-0.0118
All default settings
Original image properties:
Camera make: Canon
Camera model: Canon PowerShot SX110 IS
Image size: 3456x2592 (9.0 megapixels)
Capture time: 2011-05-13 15:31:19 - 2011-05-13 15:34:35
Aperture: f/3.5
Exposure time: 0.0166667
ISO: 1600
Focal length (35mm equiv.): 76.3 mm
Digital zoom: off
White balance: Automatic
Exposure mode: Manual
Horizontal overlap: 38.7 to 61.2 percent
Vertical overlap: 30.7 to 32.5 percent
Computer stats: 2048 MB RAM, 2 CPUs
Total time 10:33 (13 seconds per picture)
Alignment: 1:31, Projection: 57 seconds, Blending: 8:05
(Preview finished in 3:33)

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