The radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive decay of potassium (K),
This data set was acquired with a ship-based Gravimeter, Magnetometer, and Echosounder during Robert D. Conrad expedition RC0807 conducted in 1964 (Chief Scientist: Dr. John Ewing). These data files a
This data set was acquired with a ship-based Echosounder Sonar, Magnetometer, and Gravimeter during Vema expedition V3614 conducted in 1980 (Chief Scientist: Dr. Robert Leyden). These data files are o
