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Gigapans

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  1. Highway 81 between Bethlehem and Grayson, GA. This was a part of a test gigapan after having problems getting photos to stitch. The odd color blocks are from cars passing in front of the camera during that particular photo.

    • 239621-210x140

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        Size
        0.54 Gigapixels
        Added
        September 29, 2011
        Date Taken
        September 29, 2011
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  2. Less complex than the last example, but another worthy exercise in determining the geologic history of the rocks in this roadcut. Please limit your explanations to a single blue book.

  3. Your assignment is to decipher the geologic history of the rocks seen in this roadcut. Good Luck!

  4. Is vugs even the right term? Could some of them be lava tubes?

  5. Can you find the anorthosite xenolith in this roadcut of diabase? (Hint: it's LARGE.)

  6. Can you find the bald eagle?

  7. Here a diabase sill is seen exposed in a roadcut above the sedimentary Gunflint Formation. This is located at the entrance to the Terry Fox Monument (my.tbaytel.net/jmehagan/parks/terryfox/terryfox.htm Will open in a new tab or window) just east of Thunder Bay, Ontario.

  8. A beautiful exposure of bull quartz veins in greenstone in a roadcut on the Trans-Canada Highway, west of Marathon, Ontario.

  9. Near the western margin of the Port Coldwell Alkali Complex, this roadcut exposes a beautiful example of an igneous intrusion breccia where blocks of early formed gabbro were frozen in the act of being engulfed by later, more felsic magmas of the complex.

  10. The outermost unit of the Port Coldwell alkalic complex.

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