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7 December 2012
Friday fold: Pakistani Perplexity
In last week’s Friday fold, I featured this image… …which prompted commenter Lynn David to ask, What’s going on to the west side of that red/green rock cored syncline in #2? It looks like some sort of disconformity but then I looked closer (and man, does that rock redden up) and it appears that the synclinal axis suddenly gets smashed up against “something” – possibly a fault of a different …

Callan Bentley is an assistant professor of geology at Northern Virginia Community College in Annandale, Virginia. He is particularly interested in structural geology and the evolution of the Appalachian mountain belt. Callan draws cartoons and writes for EARTH magazine. He lives in the Fort Valley of Virginia.









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