| Reference | {Deposit:: CARDENAS F., D., 1983, VOLCANIC STRATIGRAPHY AND URANIUM DEPOSITS OF CENTRAL SIERRA DE PENA BLANCA, CHIHUAHUA, MEXICO IN GEOLOGY AND MINERAL RESOURCES OF NORTH-CENTRAL CHIHUAHUA; GUIDEBOOK FOR THE 1983 FIELD CONFERENCE: EL PASO, TEXAS, EL PASO GEOLOGICAL SOCIETY, P. 325-334.}{Deposit:: GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: USGS CIRCULAR 858-A,B.}{Deposit:: CLARK, K.F., AND GOODELL, P.C., (EDS.), 1983, GEOLOGY AND MINERAL RESOURCES OF NORTH-CENTRAL CHIHUAHUA: EL PASO GEOLOGICAL SOCIETY, GUIDEBOOK, 1983 FIELD CONFERENCE, OCT. 7-9, 1983, PLATE 1, SCALE 1:500000.} |