September 5, 2009
Another favorite image is this one of Mule Ear Peaks from Big Bend Vistas. As I said there,
“Part of the mystique of Big Bend National Park comes from the bizarre shapes that igneous rocks can assume, shapes that are not found anywhere else in Texas. The Mule Ear Peaks are two rhyolite dikes that have [...]
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August 29, 2009
A favorite image from Davis Mountains Vistas, the opening in the volcanic cliffs is Sunny Glen, photographed three miles north of Alpine on Highway 118.
The cliffs are capped by the Decie Formation with the break in the cliffs being a thin tuff horizon between lavas of the Morrow and McIntyre formations.
The light-colored patches above the [...]
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