| Reference | {Deposit:: GUILD, PHILIP W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: LISTING OF DEPOSITS: U.S. GEOLOGICAL SURVEY, GEOLOGICAL SURVEY CIRCULAR 858-B, 72 P..}{Deposit:: AYUB M., A.R., 1960, MINERALES DE MANGANESO EN LOS ESTADOS DE SONORA, DURANGO, ZACATECAS Y SAN LUIS POTOSI: CRNNR BOLETIN 49, P. 35-64, TABLAS I-III.}{Production:: AYUB, 1960.} |