Geochemistry of tetrahedrite and mineral zoning at Casapalca, Peru

@article{Wu1977GeochemistryOT,
  title={Geochemistry of tetrahedrite and mineral zoning at Casapalca, Peru},
  author={I. Wu and U. Petersen},
  journal={Economic Geology},
  year={1977},
  volume={72},
  pages={993-1016}
}
The extensive Casapalca veins cut Tertiary volcanic rocks and red beds near the crest of the Peruvian Andes. The veins correspond to a fracture system which probably formed during one period of tectonic activity. Paragenetic studies identify four stages of mineralization without obvious time breaks characterized by (1) sphalerite-galena-pyrite, (2) chalcopyrite-pyrite-sphalerite, (3) tetrahedrite, and (4) quartz-carbonates. The tetrahedrite is the main source of silver, and its paragenetic… Expand
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