Records of the Geological Survey of India, Volume 125, Issues 3-4Vols. 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 44
... occur as nodules and pebbles of different shapes and sizes . Manganese ore in the form of veins , fracture fillings and cavity fillings occur in the brecciated chert zone . Detailed geological mapping in Mahulsukha block ( 21 ° 48′30 ...
... occur as nodules and pebbles of different shapes and sizes . Manganese ore in the form of veins , fracture fillings and cavity fillings occur in the brecciated chert zone . Detailed geological mapping in Mahulsukha block ( 21 ° 48′30 ...
Page 5
... occur here in the form of disseminations and stringers in fine grained diopside hornfels and traversing quartz vein ... occur along NW - SE trending 6 m thick zone , iii ) Around Gal : Aligned pyrite specks in sheared quartzolite and ...
... occur here in the form of disseminations and stringers in fine grained diopside hornfels and traversing quartz vein ... occur along NW - SE trending 6 m thick zone , iii ) Around Gal : Aligned pyrite specks in sheared quartzolite and ...
Page 20
... occurs as discontinuous NE - SW trending bands . The rock is white to grey in colour showing well developed schistosity . Amphibolites occur as enclaves within the Gnessic Group particularly within migmatites . Mappable amphibolite body ...
... occurs as discontinuous NE - SW trending bands . The rock is white to grey in colour showing well developed schistosity . Amphibolites occur as enclaves within the Gnessic Group particularly within migmatites . Mappable amphibolite body ...
Contents
Bihar | 1 |
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Geological mapping around PindaraBiharbariBaghmari area Bhagalpur district Bihar | 13 |
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ABSTRACTS OF PROGRESS abutment amphibolite anomaly Arunachal Pradesh bands Barail basalt basemetal basin Bhuban Bihar biotite block bore holes borehole chalcopyrite charnockite chlorite chromite clay CONSTRUCTION STAGE GEOTECHNICAL deposits depth Disang drilling Eastern Ghat Engineering Geology Engineering Geology Division excavation exposed EXTENDED ABSTRACTS field season fold foliation Formation foundation grade geochemical geological mapping geophysical Geotechnical and Special geotechnical investigation gneiss Gneissic granite gneiss granulite grey Group grouting Hills district indicate joints lava left bank limestone located magnetite Manipur Meghalaya migmatite mineral mineralisation Mizoram nala occur Orissa OVERVIEW Ph/SS phyllite power house proposed Purulia pyrite quartz quartz veins quartzite Quaternary Regional Geology Division right bank rocks samples sandstone scale schist sediments shale shear zone Shillong siltstone slope Special Investigation spillway sq km stage geotechnical investigation strike length structure sulphide Survey of India Tertiary thick toposheet trending tunnel Upper upto volcanics West Bengal