ChristineDear Christine,
Once or twice I was closer than I wanted to be. Many times I have collected lava samples using a rock hammer (so my hand was a few inches from the lava). If done carefully, it is fairly safe to do. I was trained and watched closely by very skilled geologists.
Steve Mattox, University of North Dakota
P.S. Click here for a photo of me by some hot stuff.
Sources of training:
Ken, Tari, Christina
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