14-3-006: norite - Stillwater District - Stillwater Mine

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Specimen Number14-3-006Alternate NumberSW-3MCommentsSample collected by Daven Mashburn. Mixed Zone sample. Zone is typically anorthosite, but can contain pegmatitic patches of olivine (similar to sample SW-3M). HIgh volatile content, and always found below footwall to PGE mineralization. Generally pod-shaped in field. Can run to 0.1opt Pt and to 0.1opt Pd.In Teaching CollectionNoMineral(s)olivineplagioclasepyroxeneRock NamenoriteDistrictStillwaterMineStillwaterExternal LinkMindatGeo-LocationundefinedSub-LocationundefinedDeposit TypeLayered mafic intrusionGeo-Coords^[1]Reference MaterialACL-171: Gold, D.P., and Mueller, P., eds., 1979, Field Trip Guide to the Stillwater Layered Intrusive Complex, Montana; U.S. Nat'l. Comm. Arch. Geochem., 1979 Ann. Field Conf., Y.B.R.A. Camp, Red Lodge, Montana, August 12-18, 1979, 39 p.

ACL-172: Page, N.J., and Nokleberg, W.J., 1974, Geologic Map of the Stillwater Complex, Montana; Misc. Invest. Ser. Map I-797, Reston, VA.

ACL-225: Howland, A.L., 1955, Chromite Deposits in Central Part Stillwater Complex, Sweet Grass County, Montana; U.S. Geol. Surv. Bull. 1015-D, Washington, D.C., 26 p.

ACL-230: Mertie, J.B., 1969, Economic Geology of the Platinum Metals; U.S. Geol. Surv. Bull. 630, Washington, D.C., 120 p.

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14-3-006: norite - Stillwater District - Stillwater Mine

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14-3-006: norite - Stillwater District - Stillwater Mine