Specimen Number5-1-001Alternate Number65-106Commentsvery fine grained porphyry with narrow chalcopyrite veinletIn Teaching CollectionNoMineral(s)biotitechalcopyritefeldsparquartzRock Namequartz monzoniteDistrictAjoMineAjoExternal LinkMindatGeo-Location1700 levelSub-LocationEast of the PitDeposit TypePorphyry CopperGeo-Coords[1] Reference MaterialACL-120: Thomas, W.J., Dixon, D.W., and Couzens, T.R., 1964, AIME Guidebook, Ajo Mine, AZ section AIME Mining Geology Division.
ACL-128: Mine staff, New Cornelia Mine, 1952, Ajo Porphyry Copper, AZ Geol. Soc. Guidebook for Field Trip Excursions in southern Arizona, April 10-14, 1952, Tucson, Arizona.
5-1-001: quartz monzonite - Ajo District - Ajo Mine. Franklin College Collections, accessed 09/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/31323