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WASHINGTON, D.C.
Meeting 1183
Cosmos Club, Fla Ave, Powell Auditorium
Wednesday, January 25, 1989
Penelope M. Hanshaw, President R. Brooks Hanson, Meeting Secretary
David Lambert—Department of Terrestrial Magnetism—Sr, Nd, and Pb isotopic investigations of the Stillwater Complex, Montana: evidence for magma mixing.
John Calvin, Reed Jr. and John N. Aleinikoff—USGS, Denver—Development of early Proterozoic continental crust in the Colorado province.
Craig Schiffries—Geophysical Laboratory—Hydrothermal processes in layered intrusions.
Attendance: 68
Meeting Secretary's Minutes