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Archive for April, 2011

Alan and I are out at the rock yard right now using the rock saw to fraction some of our samples. We have already gotten the larger rock saw #2 up and running and used it on a piece of the Catoctin.

Here is a picture of workman Alan checking the drainage system with his trusty wrench.

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Now take a gander at red hair extraordinaire working that metabasalt smooth on the grinding wheel.

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Here is a picture of the finished product. It may be hard to tell but the chlorite shows up well as the greenish-blueish-grayish color (as described by Alan).

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Compare that against the other metamorphic mineral found in the Catoctin, epidote which shows up nicely in this sample cut yesterday as the pistachio green color.

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Keep checking back for updates, and forgive any sloppiness this is my first attempt at live blogging.

Also check out Alan’s blog as he live blogs about this too at:

Not Necessarily Geology

UPDATE #1:
Alan’s Devonian mudcrack just made it through the other side slightly worse off but nonetheless interesting.

Next to the guillotine is a sample of the Roseland anorthosite.

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UPDATE #2:
Here are some pictures of the last few samples: the mudcrack, the Roseland, and a serpentinite (in order).

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