Sunday, March 23, 2008

Picture of the Day - Sierra Nevada Foothills

Spent a third straight weekend with students and fellow geologists in the field. I was pleased with the telephoto that allowed me to get an angle on a relatively inaccessible outcrop. I know I could just explain it, but so many of you seem to enjoy the challenge, so...what's going on here?

Happy Easter, and a good spring-time to you all!

Update: Ron is absolutely right about the columnar jointing. What kind of volcanic rock, and why is the rock forming a flat-topped ridge?
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