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21 April 2010


Whilst poking about Sunday on the fine exposures along West Virginia’s new route 55, my structural geology students and I noticed some joint surfaces decorated with pyrolusite dendrites. But I also found a nice slab which had one surface covered with a thicker coat of manganese oxide, and here the habit was botryoidal, like little bunches of grapes. A few photos for you: Because I don’t care as much for …


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More mud

Remember the mud I saw on Pimmit Run? Turns out that West Virginia mud pulls many of the same tricks as Virginia mud. Here’s some mud cracks I noticed on Sunday afternoon on the shoulder of New Route 55 in eastern West Virginia: Notice how West Virginia spices her mudcracks with chunks of Silurian quartzite and fresh crabgrass. A tasty combination!


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