Comments on Gigapan: Thin Section of the Middlefield Granite, Middlefield, Massachusetts

Thin section of the Middlefield Granite from Glendale Falls, Middlefield, Massachusetts. Granite intrudes the Rowe Schist and Moretown Formation at their contact, which is interpreted as a Taconic thrust. The granite is approximately 447 +/- 3 Ma from a zircon evaporation age, indicating that Taconic thrusting is older...

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    Size

    3.56 Gigapixels

    Added

    November 13, 2012

    Date Taken

    November 13, 2012

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    Tags

    thin section, geology, granite, Taconic orogeny

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