Tennantite Subgroup from selected localities.
USA | |
| Metal Mining Mining Geol.(1937):A.I.M.E.:432.; Raabe, K. C. & Sack, R. O. (1984): Growth zoning in tetrahedrite-tennantite from the Hock Hocking mine, Alma, Colorado. Canadian Mineralogist 22, 577-582. |
Singewald, Quentin Dreyer; Butler, Bert Sylvenus (1941) Ore deposits in the vicinity of the London fault of Colorado. USGS Bulletin: 911 |