Gupta, M.L. and Panigrahi, D.C. and Varma, N. K. and Pandey, J.K. (1993) Determination of Virgin Rock Temperature in Raniganj Coalfield. Journal of Mining Research , 1 (4). pp. 11-17. ISSN 0971-1899

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Abstract

The paper presents results of virgin rock temperature measurements in 22 production districts of 16 coal mines in Raniganj coalfield for computation of geothermic gradient. The gradient has also been measured by taking temperature measurements in 9 surface boreholes. It has been observed that minimum subsurface isothermal at the depth of 20 m below surface has a temperature of 28.25°C after which the virgin rock temperature rises at a constant rate of 2.25°C/100 m.

Item Type:	Article
Subjects:	Mine Ventilation
Divisions:	UNSPECIFIED
Depositing User:	Mr. B. R. Panduranga
Date Deposited:	23 Jan 2012 12:29
Last Modified:	30 Apr 2017 06:30
URI:	http://cimfr.csircentral.net/id/eprint/766

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