Specimen Number4-8-012Alternate NumberP-2CommentsChrysocolla cemented gravels of a sort found on the Sierrita pediment. Occurs at the base of alluvium in contact with hanging wall clastics of P-1 (4-8-011), typically in paleo-channels. Minor malachite also present.In Teaching CollectionNoMineral(s)chrysocollaquartzRock NameconglomerateDistrictPimaMinePimaExternal LinkMindatGeo-LocationundefinedSub-LocationundefinedDeposit TypePorphyry CopperGeo-Coords[1] Reference MaterialACL-109: Thurmond, R.E., and Storms, W.R., 1958, Discovery and Development of the Pima Copper Deposit, Pima Mining Co., Pima County, Arizona, Bur. Mines Inform. Circ. 7822, 19 p.
ACL-113: Thurmond, R.E., Olk, J.F., Komadina, G.A., Journeay, J.A., Spaulding, E.D., and Hernlund, R.W., 1958, PIMA: a three-part story, Min. Eng., p. 453-462.
ACL-121: Langlois, J.D., 1976, Geology of the Cyprus Pima mine, Pima County, Arizona, in Jenney, J.P., and Hauck, H.R., eds., AZ Geol. Soc. Digest Volume XI, Proceedings of the Porphyry Copper Symposium, Tucson, AZ, March 18-20, p. 103-114.
ACL-153: Cooper, J.R., 1960, Some Geologic Features of the Pima Mining District, Pima County, Arizona; U.S. Geol. Surv. Bull. 1112-C, Washington, D.C., 40 p.
4-8-012: conglomerate - Pima District - Pima Mine. Franklin College Collections, accessed 14/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/31473