GEOLOGICAL SOCIETY OF AMERICA MEETING:
Geology Near, Far, and Long Ago
Richard A. Kerr
DENVER, COLORADO--Late last month, geologists and paleontologists gathered for the annual meeting of the Geological Society of America, which is headquartered here in the central part of the continent. Topics wandered out to an asteroid of uncertain parentage and back in time to geologic clocks and the death of the dinosaurs.