Data Report: Geochemical Logging Results from Vanuatu: Sites 829, 830, 831, and 833

Abstract

Geochemical well logs were obtained in the igneous and sedimentary sequences drilled at Sites 829, 830, 831, and 833 of Ocean Drilling Program Leg 134. Corrections have been applied to the logs to account for variations in borehole size, borehole fluid composition, downhole temperature, and logging speed. Concentrations of the elements Th, U, and Gd, and the dry weight percentages of the oxides of Si, Ca, Al, Fe, Ti, and K have been derived. In each of the logged holes the log-derived geochemistry agrees well with shipboard carbonate-derived CaO and X-ray fluorescence core measurements.