TY - RPRT TI - Thermochronology of economic mineral deposits: Dating the stages of mineralization at Panasqueira, Portugal, by high-precision 40Ar/ 39Ar age spectrum techniques on muscovite AU - L.W. Snee AU - J. F. Sutter AU - W.C. Kelly PY - 1988 DO - 10.2113/gsecongeo.83.2.335 UR - https://pubs.usgs.gov/publication/70014466 ID - 70014466 ER -