Table of Contents
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V1.1: A. Armstrong; N. Lawler; L Brandt; H. Barnes; K. Bronk; Approved by DJH
V374| July 2017/ Reviewed X374/ March 2018
V378P
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Introduction
The X-Ray Laboratory onboard the JOIDES Resolution performs diffraction analyses of minerals and rock powders using a D4 Endeavor XRD from Bruker AXS. Associated software, DIFFRACplus and TOPAS, allow for analysis of minerals and rock powders; including peak-matching and mineral & chemical compound identification. The XRD lab provides scientists with a quick and reliable tool for mineral identification; it is particularly useful for identifying fine-grained minerals or mixtures of alteration minerals that cannot be easily identified with other techniques onboard. XRD can also be used to determine the proportions of minerals present.
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