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Dave Kerr | all galleries >> Galleries >> Geology > 6589 usm.jpg
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15-SEP-2007

6589 usm.jpg

Ironstone Concretion, South Wall.

On Sunday night, 16 Sept., I bought and
downloaded from the AJS Richard Nickelsen's article
"Sequence of Structural Stages of the Allegheny
Orogeny at the Bear Valley Strip Mine, Shamokin,
PA," Volume 279, March 1979, American Journal
of Science.

http://www.ajsonline.org/

Much to my surprise, I found a photo of this
concretion in Plate 2 on page 231.

Photo Copyright Dave Kerr, 2007.

Canon EOS 20D
1/160s f/8.0 at 21.0mm iso400 hide exif
Full EXIF Info
Date/Time15-Sep-2007 13:20:27
MakeCanon
ModelCanon EOS 20D
Flash UsedNo
Focal Length21 mm
Exposure Time1/160 sec
Aperturef/8
ISO Equivalent400
Exposure Bias
White Balance
Metering Modematrix (5)
JPEG Quality
Exposure Programprogram (1)
Focus Distance

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