@misc{indiciaeda8ea2d7056c, title = {Application of metal zoning to gold exploration in porphyry copper systems, by B.K. Jones: comments}, author = {George V. Albino}, year = {1993}, doi = {10.1016/0375-6742(92)90003-q}, url = {https://pubs.usgs.gov/publication/70017455}, note = {Source identifier: 70017455} }