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Publications by [Barker F.]

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CORDIERITE-GARNET GNEISS AND ASSOCIATED MICROCLINE-RICH PEGMATITE AT STURBRIDGE, MASSACHUSETTS AND UNION, CONNECTICUT (1962)
This paper is about gneiss of argillaceous composition at Sturbridge, Massachusetts and at Union Connecticut that consists of the assemblage biotite-cordierite-garnetmagnetite-microcline-quartz-plagioclase-sillimanite.
Reference: THE AMERICAN MINERALOGIST, VOL 47, JULY - AUGUST, 1962