34-5-022: altered granodiorite - Santa Rita District - Chino Mine

Details

Specimen Number34-5-022Alternate Number57-24-2CommentsInteresting contact relationship between darker dioritic and lighter granodioritic phases, the lighter phase appears chilled against the darker phase. Both appear to be potassically altered.In Teaching CollectionNoMineral(s)k-sparquartzbiotiteRock Namealtered granodioriteDistrictSanta RitaMineChinoExternal LinkMindatDeposit TypePorphyry CopperGeo-Coords^[1]Donated ByUniversity of Wisconsin-Madison Department of GeoscienceReference MaterialACL-173: Anzalone, S.A., Beane, R.E., Davis, S.R., Graybeal, F.T., Guilbert, J.M., Oakley, C.A., Titley, S.R., and West, R.M., org., 1979, Society of Economic Geology Field Conference on Tucson-Area Porphyry Copper Deposits, Tucson, AZ, May 3-6, 1979, 205 p.

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34-5-022: altered granodiorite - Santa Rita District - Chino Mine

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34-5-022: altered granodiorite - Santa Rita District - Chino Mine