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May 15 2012

New Rosetta Stones Post: Explaining Why Geologists Break Rocks

I have, after a week’s hiatus, taken fingers to keys and pounded out a little something for Rosetta Stones: When You’re Doing Geology, You’ve Got To Break a Few Rocks. It’s got Evelyn and fresh surfaces and a lakeside geologists’ lair. Enjoy!

5 comments

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  1. 1
    Trebuchet

    Since I’m not signed up (yet) to comment on your other blog or on Dr. Evelyn’s, I’m going to toss this out here: Wrap-around sunglasses are NOT eye protection. Better than nothing maybe. Maybe. On the other hand, they might be the type that will shatter and send shards of glass into your eye upon being struck with something that would otherwise have only given you a shiner.

    OSHA approved safety glasses, including safety sunglasses, are available at any hardware store. They’re cheap. Get some.

    1. 1.1
      F [is for failure to emerge]

      And yet you still must be careful. I’ve seen expensive OSHA-approved glasses fail. High-velocity bits of concrete (or rocks) can slide right between your skin and the glasses.

  2. 2
    evelynmervine

    Yes, yes… I have been repeatedly chided for setting a bad rock-breaking example. Sorry! All rock breaking should take place with approved safety glasses, long pants, and long shoes… and an appropriate rock hammer.

    Dana, don’t post any more rock breaking pictures! The internet is making me sad.

  3. 3
  4. 4
    F [is for failure to emerge]

    And if all you have is a regular hammer, use a cold chisel. First, it has a pointy bit, and second, if you hold it right, you hand blocks anything that might be heading toward your eyes. Plus you can designate the point of impact exactly, if that ever makes a difference. (They make geologist’s chisels, too, which may be easier to get through TSA screening than a hammer.)

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