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RARE-EARTH PEGMATITES OF THE SOUTH PLATTE DISTRICT, COLORADO = PEGMATITE A TERRES RARES DU DISTRICT SOUTH PLATTE, COLORADOSIMMONS WB JR; HEINRICH EW.1980; COLORADO GEOL. SURV., RESOUR. SER.; USA; DA. 1980; NO 11; 131 P.; BIBL. 4 P.; 27 ANAL.; 8 TAB. ; ANAL./ILL./ESQUISSE/BLOC DIAGR./TABL.Serial Issue

REFINEMENT OF THE CRYSTAL STRUCTURE OF A VOLCANIC NEPHELINESIMMONS WB JR; PEACOR DR.1972; AMER. MINERALOGIST; U.S.A.; DA. 1972; VOL. 57; NO 11-12; PP. 1711-1719; BIBL. 13 REF.; 4 ANAL.Serial Issue

NEW DATA ON GRIPHITEPEACOB DR; SIMMONS WB JR.1972; AMER. MINERALOGIST; U.S.A. ; 1972, VOL. 57, NUM. 0001-0002, P. 269 A 272Serial Issue

BLASTOPOIKILITIC TEXTURES IN GABBROIC META-ANORTHOSITE OF THE DORE LAKE COMPLEX, CHIBOUGAMAU (ABSTRACT).ALLARD GO; SIMMONS WB JR.1969; CANAD. MINERALOGIST; CAN; 1969, VOL. 10, NUM. 001Miscellaneous

AUSTINITE - CHEMICAL AND PHYSICAL PROPERTIES IN RELATION TO CONICHALCITE.RADCLIFFE D; SIMMONS WB JR.1971; AMER. MINERALOGIST; USA; 1971(8), VOL. 56, NUM. 0007-0008, P. 1359 A 1365Miscellaneous

REFINEMENT OF THE CRYSTAL STRUCTURE OF A VOLCANIC NEPHELINESIMMONS WB JR; PEACOR DR.1972; AMER. MINERALOGIST; U.S.A. ; 1972, VOL. 57, NUM. 0011-0012, P. 1711 A 1719Serial Issue

KELLYITE, A NEW MN-AL MEMBER OF THE SERPENTINE GROUP FROM BALD KNOB, NORTH CAROLINA, AND NEW DATA ON GROVESITE.PEACOR DR; ESSENE EJ; SIMMONS WB JR et al.1974; AMER. MINERALOGIST; U.S.A.; DA. 1974; VOL. 59; NO 11-12; PP. 1153-1156; BIBL. 7 REF.; 3 ANAL.Article

IMPROVED MEASUREMENTS OF THE REFRACTIVE INDICES FOR MINERALS USING MONOCHROMATIC LASER ILLUMINATION.ALLEN GC; SCHMIDT RL; LEBLANC J et al.1972; PROC. LOUISIANA ACAD. SCI.; U.S.A.; 1972, VOL. 35, P. 41 A 43Serial Issue