THE APPLICATION OF INFRA‐RED ABSORPTION SPECTROSCOPY TO CARBONATE MINERALOGY

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Abstract
The data given in the literature for the infra‐red identification of carbonate minerals is summarised, and a technique is described which may be used to identify magnesite, smithsonite, dolomite, rhodochrosite, calcite, aragonite, strontianite, cerussite and witherite by means of their infra‐red absorption bands. Two quantitative applications of the use of infra‐red spectroscopy are considered and techniques are outlined for the determination of calcite‐dolomite ratios in carbonate rocks, and calcite‐aragonite ratios in shell material.