MEDIA RELATIONS OFFICE JET PROPULSION LABORATORY CALIFORNIA INSTITUTE OF TECHNOLOGY NATIONAL AERONAUTICS AND SPACE ADMINISTRATION PASADENA, CALIF. 91109. TELEPHONE (818) 354-5011 http://www.jpl.nasa.gov Photo Caption 547_35 Expedition team examines a large boulder with mud coating (known asan accretionary bomb). This coating may have formed as the ejecta boulder passed through the dense, turbulent cloud of debris collecting small particles on its surface. Albion Island quarry, northern Belize. January 1998.