HOW GEOLOGISTS AND GEOCHEMISTS CAN HELP SOLVE THE 50-YEAR PROBLEM OF THE PLATE DRIVING MECHANISM
ALVAREZ, Walter, Department of Earth and Planetary Science, University of California, 307 McCone Hall, Berkeley, CA 94720-4767; Osservatorio Geologico di Coldigioco, Contrada Coldigioco 4, Apiro MC, 62021, Italy