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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Preliminary Evaluation of a Core Scintillation Counter for Bulk Density Measurement in Marine Sediment Cores
Chester Brier (3), Robert Bennin (4), Peter A. Rona (5)
A core scintillation counter which measures transmitted gamma radiation was applied to determine wet bulk density of cores of marine sediment sealed in plastic liners. A preliminary evaluation indicates that two principle problems affecting accuracy of the bulk density determination are: (1) The radioactive source emits random radiation, which must be treated statistically to determine the dependence of counting accuracy on number of counts. (2) The Compton mass attenuation coefficient, which must be known in order to calculate density from scintillation counts, varies significantly with sediment composition and water content.
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