Summary for Field Activity Number 1979-001-FA

Alternate Leg ID: 79-2

Area of Operations: Puerto Rican shelf including Luquillo, Escollo de Arenas, Cobo Rojo, Mayaguez, and Aguadilla-Isabela, Puerto Rico, Caribbean Sea, United States, North America, North Atlantic

Dates: February 05, 1979 to February 14, 1979

Objectives: Luquillo area - determine suitability of method and map potential sand deposit. Escollo de Arenas - collect sand samples, determine suitability of method and map potential sand deposit. Cabo Rojo area - collect sand and surficial samples in potential sand deposit area, to evaluate both method and sand deposit. Mayaguez area - complete bathymetry of Mayaguez-Boqueron area w/echo sounding. Aguadilla-Isabela area - collect surface samples and two profiles to supplement previous coverage and determine shallow structure of area being geologically mapped.

Type of Activity: Sampling
Seismic profiling
Sea floor mapping

Information to be derived: Samples and chemical analysis
Sea floor map

Summary: Luquillo area - 448 km of 12 kHz echo sounding on upper slope to map canyons; 42 km of Uniboom lines.

USGS Project Number: PR CO-OP

Contact: Jim Trumbull ()