| Stone, J.B. and McCarthy, J.C., 1948, Mineral and metal variation in the veins of Fresnillo, Zacatecas, Mexico.: A.I.M.E., Transactions, v. 178, p. 91-106 Gemmell, J.B., Zantop, H. and Birnie, R.W., 1989, Silver sulfosalts of the Santo Nino vein, Fresnillo District, Zacatecas, Mexico: Canadian Mineralogist, v. 27, no. 3, p. 401-418 MacDonald, A.J., Kreczmer, M.J. and Kesler, S.E., 1986, Vein, manto, and chimney mineralization at the Fresnillo silver-lead-zinc mine, Mexico.: Canadian Journal of Earth Sciences, v. 23, no. 10, p. 1603- 1614 |