TY  - RPRT
TI  - Mesozoic ash-flow caldera fragments in southeastern Arizona and their relation to porphyry copper deposits
AU  - P. W. Lipman
AU  - D.A. Sawyer
PY  - 1985
DO  - 10.1130/0091-7613(1985)13<652:macfis>2.0.co;2
UR  - https://pubs.usgs.gov/publication/70012966
ID  - 70012966
ER  -