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Ward, C.R., Warbrooke , P.R., Roberts,F.I., 1989, “Geochemical and Mineralogical Changes in a Coal Seam due to Contact Metamorphism., Sydney Basin, New South Wales, Australia.” International Journal of Coal Geology, Vol. 11, pp. 105-125.

has been cited by the following article:

• TITLE: Metallurgical Use of Heat Altered Coal: A Case Study

  AUTHORS: Debjani Nag, A.K. Singh, P.K. Banerjee

  KEYWORDS: Jhama; igneous intrusion; thermally altered; natural coke.

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.8 No.7, July 20, 2009

  ABSTRACT: The effects of igneous intrusion on coal are observed in various parts of the world. It is found that igneous intrusions have altered the quality and characteristics, especially the coke ability of the coals. It has been estimated that a large quantity of heat affected (jhama) coal is reserved in the Jharia collieries of India. Nowadays, apart from difficulties of mining, its utilization is the biggest issue. This paper presents a brief overview of heat altered coal and also highlights some studies, undertaken in Tata Steel to make best possible metallurgical use of jhama especially in steel industry.