Richard, K.E., and Courtright, J.H., 1954, Structure and mineralization, Silver Bell, Arizona [abs.]: Economic Geology, v. 49, no. 1, p. 123.
Richard, K.E., and Courtright, J.H.
Economic Geology, v. 49, no. 1, p. 123.
Mineral District, Areal, Structure, Porphyry Copper, Skarn, Alteration, Supergene Enrichment,
