Abstract

ABSTRACT The application of CR-39 polycarbonate plastic to quantitative B mapping in mineral assemblages has been investigated. The investigation included the calibration of the detector material using standards prepared from spectrographic grade carbon powder and boric acid, and the determination of correction factors for the potentially interfering reactions 6Li(n,α) 3H and 14N(n,p) 14C. Samples and standards were irradiated with thermal neutrons for between 0.5 and 8 hours. The method is being applied to a suite of minerals from the Mendip Hills in southwest England.

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