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Authors
Affiliations
1 Birbal Sahni Institute of Palaeobotany, GPO Box 106, Lucknow 226001, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 44, No 4 (1994), Pagination: 391-397
Abstract
The Neyveli field is well known for Tertiary lignite deposits in India. The reflectance of organic constituents (humioite macerals) has been measured to find out organic maturation level (rank) of the main lignite seam lying either at same time level or at different time levels in space. The deposits are of sub-bituminous C stage (ASTM) with the mean refectance (Ro max. in oil) range from 0.34 to 0.42% (average 0.39%). Evidences from rank study indicate that the quality of lignite deteriorates towards southern part of the field.
Keywords
Lignite, Neyveli, Tamil Nadu, Economic Geology, Energy Resources.