“…Petrography based facies models have been used to discuss the evolutionary history of the paleomires of the Cambay basin. Using petrological tools a number of researchers have successfully performed paleoecological reconstructions and contributions have been made by Cohen and Spackman (1972), Styan and Bustin (1983), Cohen et al (1987), Calder et al (1991), Grady et al (1993), Hawke et al (1996), Singh and Singh (1996), Shearer and Clarkson (1998), Sun et al (1998), Dai et al (2007), Jasper et al (2010), Singh et al (2010a, b), Deng and Sun (2011), and Singh et al (2012a, b, c, d). Detro-huminite is throughout high in the lignites of Cambay basin wherein densinite is more consistent.…”