Specimen Number15-6-051CommentsDonated by George Koch. Classic case of whether to call this a porphyry, a skarn, or a vein system. Altered limestone with inch thick quartz + cp + mo vein.In Teaching CollectionNoMineral(s)calcitechalcopyritemolybdenitequartzRock Namemineralized veinDistrictGaspeMineGaspe CopperExternal LinkMindatDeposit TypePorphyry CopperGeo-Coords[1] Reference MaterialACL-33: Kloeren, C.J., 1985, Update on Noranda's New Murdochville Deposit, Internal company report and guidebook, 14 p.