Mark Armitage Articles

• Technical In-Depth Article

  Radiohalos and Diamonds

  Sept. 9, 2009 from Answers in Depth

  We offer an explanation for the radiohalos and for the “tubes” in these diamonds in terms of a hydrothermal fluid transport model for Po radiohalo formation.

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• Technical In-Depth Article

  Radiohalos—A Tale of Three Granitic Plutons

  Aug. 19, 2009 from Answers in Depth

  The origin and significance of radiohalos have been debated for almost a century, perhaps largely because their geological distribution has been poorly understood.

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• Technical Research Paper

  Preliminary Observations of the Pygidial Gland of the Bombardier Beetle, Brachinus sp.

  April 1, 2003, pp. 95–102

  In this study the pygidial gland and nozzle of one species of Bombardier Beetle is studied under light and electron microscopy (SEM and TEM) and are shown to be quite complex.

• Technical Research Paper

  New Record of Polonium Radiohalos, Stone Mountain Granite, Georgia (USA)

  April 1, 2001, pp. 86–88

  The Stone Mountain granite samples in this study yielded no zircon crystals and no diffuse radiation stains. These data are insufficient to determine the timing and mode of formation of these radiohal

• Magazine Article

  God’s Micro World

  Sept. 1, 1992, pp. 10–13

  Microscopes are marvellous modern-day tools. You may not own one yourself, but they are used daily for many processes to help you live better.

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