Goosenecks State Park USA

Posted by Peter Ireland on Mon Sep 22, 2014 1:51 pm

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The horizon may look askew due to the different levels of the canyon,but I think it's straight:)

Camera Model: Canon EOS 5D
Lens: EF17-40mm f/4L USM
Focal Length: 20mm
Aperture: f/14.0
Exposure Time: 0.040 s (1/25)
ISO equiv: 100

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by Gary Briney on Mon Sep 22, 2014 2:35 pm

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Impressive vista which looks especially good in the larger version on lightbox. Do you know what gives the rock formations the extremely dark color?

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by Carol Clarke on Tue Sep 23, 2014 10:57 am

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Definitely one to click and view in the larger version, an impressive view of the layers upon layers of rock strata with the San Juan River down below Pete!

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by Peter Ireland on Tue Sep 23, 2014 1:26 pm

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Gary Briney wrote: Do you know what gives the rock formations the extremely dark color?

Sorry Gary,I have no idea.Perhaps someone else with more knowledge of the area can add something.

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by Gary Briney on Tue Sep 23, 2014 3:10 pm

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Thanks for responding Peter -- after a bit of digging, I learned that lower layers are limestone, and upper layers are alternating shale and limestone plus some sandstone. It seems that there's also a bit of oil which exudes through the rock, so that along with the shale, I'm guessing that it may also contribute to the dark color. An interesting formation in a geologically interesting area...