The vein graphite occurrences of Sri Lanka are located in the western part of the country ( Kehelpannala, 1995, Kehelpannala, 2017b) in both the WC and HC ( Fig. 1 ). It is noteworthy that graphite formation post-dates the granulite facies metamorphism of both the WC and the HC ( Kehelpannala, 1993, Kehelpannala, 1995, Kehelpannala, …