The igneous section includes texture, mega- and microstructures and petrography of igneous rocks, in addition to norm, modal analysis and graphic plot of petrochemistry data. The chapter on norm includes seventy-five problems with answers. The metamorphic section deals with fabric and petrography of metamorphic rocks and triangular (ACF, AKF and AFM) diagrams. The sedimentary section encompasses texture, structure, ichnofossils, classification and petrography of sedimentary rocks. Chapter on grain size includes detailed laboratory procedure with worked out problems. Chapter on paleocurrent and palaeohydrological analysis elaborates methods of tilt correction, drawing of rose diagram, computation of different statistical parameters and worked out problems. Heavy mineral analysis chapter depicts the separation and identification techniques. Optical properties of thirty-six heavy minerals are given in alphabetical order for easy reference.
Rabindra Nath Hota, PhD, DSc,
is currently a Professor in the Postgraduate Department of Geology, Utkal University, Bhubaneswar, Odisha, where he has served for more than 33 years. He earned his PhD for his work on the subsurface geology of the Barakar Formation and his DSc on the sedimentation of the Damuda Group of the Talcher Coalfield.
Dr. Hota has published more than 60 research papers in reputed national and international journals, including Gondwana Research, Mathematical Geosciences, Asian Journal of Earth Science, and the Journal of the Geological Society of India. He has also served as a reviewer for several national and international journals. He has been actively engaged in collaborative research with Osaka City University, Japan; Aligarh Muslim University; JNPG College, Lucknow; and Nagpur University. He has successfully completed two research projects funded by the Government of Odisha and the University Grants Commission (UGC).
Dr. Hota is a life member of several professional bodies. He is the author of the books Practical Approach to Crystallography and Mineralogy and Practical Approach to Petrology, and a co-author of the Higher Secondary (+2) Geology textbooks published by the Government of Odisha. He has delivered a keynote address on the geometry of Barakar coal seams at the international symposium on “Assembly and Breakup of Rodinia and Gondwana and Growth of Asia”, held in Osaka, Japan.
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