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Volcanic glass (obsidian) surrounded by perlite at Mina de Anfitrite (Quebrada de Quirón, Salta Province, Nov. 2007)

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Photo details

  • Uploaded on March 10, 2009
  • © All Rights Reserved
    by Renato Ramos
    • Camera: Canon EOS DIGITAL REBEL
    • Taken on 2007/11/05 18:40:02
    • Exposure: 0.004s (1/250)
    • Focal Length: 18.00mm
    • F/Stop: f/10.000
    • ISO Speed: ISO100
    • Exposure Bias: 0.00 EV
    • No flash