Records of the Geological Survey of India, Volume 121, Part 1
Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals.
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addition alignment analysis anomaly arca assess associated bands base basin belt Bihar block boreholes carried clay coal collected compilation completed comprising construction continued core covered deposits depth detailed Director district Division drilling dykes east evaluation exploration exposed extension fault field flows Formation foundation geological mapping geophysical geotechnical gneiss gold grade granite ground Group Headquarters identified India indicated interpretation investigation was taken Irrigation laboratory length lignite limestone located logging lower magnetic major measures mineral mineralisation Nagpur objective occur Orissa period Pradesh prepared present processed programme proposed quartz quartzite Quaternary range recorded Regional reports river rocks samples sand sandstone scale Scheme schist sediments shale soil spillway sq km stage strike structure suggested surface surveys taken thickness toposheet traverse trending tunnel types units values various varying West zone