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Publications tagged with [sillimanite]
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                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.
            
    
        Filed under: 
                
                
                        Geology - 
                
                    Petrology - Minerology
                
            
        Reference: 
        THE AMERICAN MINERALOGIST, VOL 47, JULY - AUGUST, 1962
     
                         
                     
                     
                     
                 
                            