Remnant of desert varnish on a boulder by Dave Beedon

Dave Beedon | all galleries >> Places >> Utah >> Moab (environs) >> Shafer Trail >> Shafer Trail: Cross-Country Descent to the Colorado River >> River Hike, Part 2: The Bench > Remnant of desert varnish on a boulder

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13-APR-2006	Dave Beedon

Remnant of desert varnish on a boulder

Colorado River, below Shafer Trail, Utah

The longer dark area is about one foot (30cm) wide. Desert varnish is a discoloration
of sandstone caused by the interaction of rain water with manganese in the rock.
.

Nikon D100 ,Nikkor 28-105mm f/3.5-4.5D AF
1/125s f/14.0 at 38.0mm full exif

other sizes: small medium large auto

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