Looking east from the summit of Glass Mountain

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Comments (2)

Wm Spencer Lines on February 22, 2009

Is the entire mountain made of obsidian?

Metamorpho Man on February 25, 2009

Not exactly, there is a lot of other volcanic rock (I think andesite but could be wrong) but heaps of obsidian.

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Photo taken in Modoc National Forest, Alturas, CA 96101, USA

Photo details

  • Uploaded on October 6, 2007
  • © All Rights Reserved
    by Metamorpho Man
    • Camera: NIKON E3200
    • Taken on 2005/05/13 22:40:16
    • Exposure: 0.002s (1/625)
    • Focal Length: 5.80mm
    • F/Stop: f/5.600
    • ISO Speed: ISO50
    • Exposure Bias: 0.00 EV
    • No flash

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