The following selected publications give information on the methods we use to prepare and quantify minerals in bulk samples and in clay size fractions.  More details of these publications can be found by following the links, or DOI pointers and some can be downloaded from this page as PDF files.
Hillier, S., 1999, Use of an air brush to spray dry samples for X-ray powder diffraction, Clay Minerals, vol. 34, no. 1, 127-135. PDF
Hillier, S., 2000, Accurate quantitative analysis of clay and other minerals in sandstones by XRD: comparison of a Rietveld and a reference intensity ratio (RIR) method and the importance of sample preparation: Clay Minerals, v. 35, no. 1, p. 291-302. PDF
Hillier, S., 2003, Quantitative analysis of clay and other minerals in sandstones by X-ray powder diffraction (XRPD), in RH Worden and S Morad eds., Clay Mineral Cements in Sandstones: International Association of Sedimentologists, International Association of Sedimentologists Special Publication 34, p. 213-251. doi>
Hillier, S. and Lumsden, D., 2008, Distinguishing opaline silica from cristobalite in bentonites: a practical procedure and perspective based on NaOH dissolution, Clay Minerals, 43, 477-486. PDF
Kleeberg, R., T. Monecke, and S. Hillier, 2008, Preferred orientation of mineral grains in sample mounts for quantitative XRD measurements: How random are powder samples?: Clays and Clay Minerals, v. 56, no. 4, p. 404-415. doi>
Omatoso, O., McCarty, D.K., Hillier, S. and Kleeberg, R., 2006, Some successful approaches to quantitative mineral analysis as revealed by the 3rd Reynolds Cup contest, Clays and Minerals, Vol. 54, No. 6, 748-760. doi>