Ship-based Trackline Geophysical Data (MGD77) acquired during the Maurice Ewing expedition EW9104 (1991)

This data set was acquired with a ship-based Bodenseewerk KSS-30 Gravimeter, Varian Inc. V75 Magnetometer, and Atlas Hydrosweep DS Multibeam Sonar system during Maurice Ewing expedition EW9104 conducted in 1991 (Chief Scientist: Dr. Roger Larson). These data files are of MGD77 format and include Gravity Field, Singlebeam Bathymetry, and Magnetic Field data and were processed after data collection. Data were acquired as part of the project(s): Gloria, Sea Beam, Geophysical Investigation of the Juan Fernandez Microplate at the Pacific-Antarctic-Nazca Triple Junction, and funding was provided by NSF grant(s): OCE89-17630 and OCE92-16866.