field class pre-trip meeting is today at noon in SCI 118 - all enrolled students are required to attend. We will visit the Needles District of Canyonlands National Park where I snapped the pic shown above (click to enlarge.) The snow-covered La Sal Mountains - composed of Eocene trachyte porphyry laccoliths - loom over colorful Paleozoic strata such as the Cedar Mesa Sandstone in the foreground.
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