Thomas Dibblee Jr., 93; Co-Wrote Key Study of Great Fault
LA Times
Thomas Dibblee Jr., 93, prominent field geologist who mapped nearly a quarter of California, died Wednesday at his Santa Barbara home of unspecified causes. Educated at Stanford University, Dibblee mapped areas for oil companies, the U.S. Geological Survey, UC Santa Barbara and himself. In 1953, he and a friend, Mason T. Hill, co-wrote a key study suggesting a more-than-350-mile displacement of land along the San Andreas fault over time. Their paper became a fundamental part of research on plate tectonics.
