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WASHINGTON, D.C.
Meeting 983
Cosmos Club, Fla Ave, Powell Auditorium

Wednesday, February 27, 1974

E-an Zen, President          Douglas W. Rankin, Meeting Secretary

V. R. MacGregor—Geological Survey of Greenland—Earth's oldest known rock: 3.7 billion year gneiss from Godthaab, West Greenland.

Ian G. MacIntyre—National Museum of Natural History—Annual bands in tropical reef corals: A record of colonial growth and changing environmental conditions.

Richard Arculus—Geophysical Laboratory—The alkali basalt, andesite association of Granada, Lesser Antilles Island arc.

Attendance: 109
Meeting Secretary's Minutes

View all talks from 1974 Go to Meeting number 982 Go to Meeting number 984