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You are browsing the archive for 2011 March 31.

31 March 2011

Mount Washington 4: folded granite dikes

We now return to Mount Washington, New Hampshire, where our intrepid heroes summit the mountain in a mere three hours (from Pinkham Notch via the Lion Head): To refresh your memory of the story so far, we had seen metamorphosed turbidites, like this one (new image): …and checked out some gorgeous metamorphic porphyroblasts of “pseudoandalusite,” like these (new image): … and some lovely folds in the metamorphic foliation. Now we …

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