Records of the Geological Survey of India, Volume 83Geological Survey of India, 1951 - Earthquakes 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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Page 121
... samples having high silica content is between 40 and 100 mesh . The samples low in silica contain a high proportion of material ( mainly kaolin ) finer than 100 mesh . The material can be improved greatly in quality by eliminating ...
... samples having high silica content is between 40 and 100 mesh . The samples low in silica contain a high proportion of material ( mainly kaolin ) finer than 100 mesh . The material can be improved greatly in quality by eliminating ...
Page 137
... Samples have been collected for analysis . Varkkallai ( 8 ° 44 ′ : 76 ° 43 ′ ) .— Varkkallai in Travancore was visited to collect samples of lignite chiefly for palaeobotanical investigation . This occurrence , which extends over a wide ...
... Samples have been collected for analysis . Varkkallai ( 8 ° 44 ′ : 76 ° 43 ′ ) .— Varkkallai in Travancore was visited to collect samples of lignite chiefly for palaeobotanical investigation . This occurrence , which extends over a wide ...
Page 313
... samples tested may be broadly classified as follows : - ( 1 ) 954 samples of general nature such as limestone , laterite , gypsum , bauxite , sillimanite , clay , asbestos , graphite , etc. , were analysed for finding out their ...
... samples tested may be broadly classified as follows : - ( 1 ) 954 samples of general nature such as limestone , laterite , gypsum , bauxite , sillimanite , clay , asbestos , graphite , etc. , were analysed for finding out their ...
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abutment alignment alluvium Andaman ANON ANON ANON Assam Assilina Assistant Geologist associated augite Balasundaram bands bauxite Bengal Bihar biotite Bombay calcareous Carried out geological cement cent charnockites cherts Circle and left clay coal cordierite Cretaceous Cuddapah dam-site days with effect Deccan Trap deposits depth district dolerite drilling east Engineering Geology Eocene examined felspar Geol geological mapping Geological Survey Geology and Ground geophysical Ghosh gneisses Gondwana granite grey Ground Water Division ground-water investigation iron-ore Kurnool laterite limestone located M. S. Krishnan Madhya Pradesh Madras miles mineral Mining nala November Nummulites occur olivine Orissa Palnad pegmatites plagioclase quarries quartz quartzites radiolarian cherts reported Returned to headquarters road samples sand sandstone sandy sapphirine schists seams sediments shale sheet 57 Siju soil Subramanyam Survey of India Sylhet limestone taluk thin tion tons tunnel Tura ultra-mafics Upper valley veins village water supply zone