PRECAMBRIAN TUNGSTEN AND COPPER-ZINC SKARN DEPOSITS OF SOUTH-CENTRAL COLORADO = SKARNS TUNGSTENIFERES ET CUPRO-ZINCIFERES PRECAMBRIENS DU CENTRE-SUD DU COLORADOHEINRICH E WM.1981; RESOUR. SER. - COLO. GEOL. SURV., DEP. NAT. RESOUR., STATE COLO.; ISSN 0197-7490; USA; DA. 1981; VOL. 21; 115; BIBL. 93 REF.; ILL.Serial Issue

A BARITE-QUARTZ PHASE IN THE FIRESAND RIVER CARBONATITE,WAWA,ONTARIO.HEINRICH E WM; VIAN RW.1967; CANAD. MINERALOGIST; CAN; 1967, VOL. 9, NUM. 0002, P. 252 A 257Miscellaneous