Differential thermal analysis carbonate minerals

Martin, R. T., 1958. Clay-carbonate-soluble salt interaction during differential thermal analysis. Am. Mineral. 43 649. 

The hydrated alumina minerals usually occur in ooUtic stmctures (small spherical to eUipsoidal bodies the size of BB shot, about 2 mm in diameter) and also in larger and smaller stmctures. They impart harshness and resist fusion or fuse with difficulty in sodium carbonate, and may be suspected if the raw clay analyzes at more than 40% AI2O2. Optical properties are radically different from those of common clay minerals, and x-ray diffraction patterns and differential thermal analysis curves are distinctive. 

Doveton, J.H., 1986. Log Analysis of Subsurface Geology. John Wiley Sons, New York. Drury, M.J., Jessop, A.M., 1983. The estimation of rock thermal conductivity from mineral content— an assessment of techniques. Zbl. Geol. PaliionL Teil 1, 35-48. 1983 H 1/2. Duffaut, K., Landro, M., 2007. Vp/Vs ratio versus differential stress and rock consolidation a comparison between rock models and time-lapse AVO data. Geophysics 72 (5), C81-C94. Dunham, R.J., 1962. Classification of carbonate rocks according to depositional texture. In Ham, W.E. (Ed.), Classification of Carbonate Rocks—A Symposium. AAPG Memoirs, 1, American Association of Petroleum Geologists, Tulsa OK/USA, pp. 108-121. 

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