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WASHINGTON, D.C.
Meeting 1134
Cosmos Club, Fla Ave, Powell Auditorium

Wednesday, February 13, 1985

Norman L. Hatch, President          Rosalind T. Helz, Meeting Secretary

Eileen McLellan—University of Maryland—Mineral assemblages as evidence of fluid availability during retrograde metamorphism.

Michael J. Kunk—USGS—40Ar - 39Ar age spectrum dating of biotite and sanidine from Middle Ordovician bentonites of Sweden: A comparison with results from Eastern North America.

Roger Nielsen—University of Maryland—The petrogenesis of the intermediate lavas of the Ocate Volcanic field, Northern New Mexico.

Attendance: 128
Meeting Secretary's Minutes

View all talks from 1985 Go to Meeting number 1133 Go to Meeting number 1135