TY - RPRT TI - Early Miocene hydrothermal activity at Pachuca-Real del Monte, Mexico; an example of space-time association of volcanism and epithermal Ag-Au vein mineralization AU - Edwin H. McKee AU - John E. Dreier AU - Donald C. Noble PY - 1992 DO - 10.2113/gsecongeo.87.6.1635 UR - https://pubs.usgs.gov/publication/70243226 ID - 70243226 ER -