Friday, April 22, 2011

Anthophyllite in dunite

Click on image to enlarge.            Photo: Dan Snyder
Anthophyllite in Newdale dunite. Irregularly shaped grains are olivine; long, straight grains are anthophyllite. Newdale, Yancey County, North Carolina. XPL. Imaged area 1.3 x 2 mm. Link to Carolina Geological Society 1997 Guidebook (PDF)

Thanks to Dr. Samuel Swanson of the University of Georgia for directing me to this exposure.
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2 comments:

  1. Mahmood AlamMarch 29, 2012 at 3:04 AM

    What is the age of this metaperidotite?

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    1. DanMarch 29, 2012 at 12:28 PM

      Mahmood: The age is generally thought to be Ordovician. It was emplaced during the Taconian orogeny. Dan

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