22-3-024: feldspar porphyry - Lynn District - Betze-Post Mine

Details

Specimen Number22-3-024CommentsFrom Crowe research collection. Margin of BF dike, same location as 22-3-023. Illite altered, biotite still fresh looking.In Teaching CollectionNoMineral(s)biotitefeldsparillitequartzRock Namefeldspar porphyryDistrictLynnMineBetze-PostExternal LinkMindatDeposit TypeCarlin-typeGeo-Coords^[1]Reference MaterialACL-228: Smith, J.F., Jr., and Ketner, K.B., 1968, Devonian and Mississippian Rocks and the Date of the Roberts Mountain Thrust in the Carlin-Pinon Range Area, Nevada; U.S. Geol. Surv. Bull. 1251-I, Washington, D.C., 18 p.

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22-3-024: feldspar porphyry - Lynn District - Betze-Post Mine

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22-3-024: feldspar porphyry - Lynn District - Betze-Post Mine