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WASHINGTON, D.C.
Meeting 1187
Cosmos Club, Fla Ave, Powell Auditorium

Wednesday, March 22, 1989

Penelope M. Hanshaw, President          R. Brooks Hanson, Meeting Secretary

Jane Marie Hammarstrom, L. W. Snee, and A. H. Kazmi—USGS—Emeralds of Pakistan: geology, chemistry and genesis.

Hans Dieter Sues—National Museum of Natural History—Earliest Jurassic vertebrates from Nova Scotia: new evidence on late Triassic mass extinctions.

William P. Leeman—National Science Foundation—Bimodal basaltic and rhyolitic magmatism of the Snake River Plain, Yellowstone volcanic province: magma sources and implications for crust-mantle evoluti.

Attendance: 85
Meeting Secretary's Minutes

View all talks from 1989 Go to Meeting number 1186 Go to Meeting number 1188