SOCIETY OF ECONOMIC GEOLOGISTS

Brian G. Hoal

SEG Executive Director

7811 Shaffer Parkway Littleton, Colorado 80127

Telephone (720) 981-7882

Fax (720) 981-7874

E-mail seg@segweb.org

The Society of Economic Geologists Awards for 2021*

R. A. F. Penrose Gold Medal for 2021

Citation of Lawrence M. Cathles, III

Tucker Barrie

Dear SEG Members and Fellows: I first met Larry at the 1991 Toronto GAC-MAC-SEG meeting. Ed Spooner and I had organized a session on Abitibi ore deposits, and Ed mentioned that Larry had an excellent oxygen isotope study of the Noranda VMS district, so we invited him to present. The...

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