Records of the Geological Survey of India, Volume 124, Part 1The Survey, 1999 - 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 96
... zones were estab- lished in boreholes HGM - 14 and -15 and three assemblage zones in HGM -13 . The study revealed that the topmost as- semblage zone is comparable with Barren Measures and the lower three assemblage zones with the Lower ...
... zones were estab- lished in boreholes HGM - 14 and -15 and three assemblage zones in HGM -13 . The study revealed that the topmost as- semblage zone is comparable with Barren Measures and the lower three assemblage zones with the Lower ...
Page 127
... zone of 10.00 % PO , at the vertical depth of around 60 m . Borehole No. S - 1 in Suridih area has also intersected a phosphatic zone ( P , O , % on V.E. around 10 % ) with cumulative thickness of about 15 below the vertical depth of 50 ...
... zone of 10.00 % PO , at the vertical depth of around 60 m . Borehole No. S - 1 in Suridih area has also intersected a phosphatic zone ( P , O , % on V.E. around 10 % ) with cumulative thickness of about 15 below the vertical depth of 50 ...
Page 134
... zone has been identified on the basis of pres- ence of mylonite , phyllonite , stretched pebbles , intense silicification and brecciation . For most part of the shear zone , the sense of movement is down dip , but towards north , around ...
... zone has been identified on the basis of pres- ence of mylonite , phyllonite , stretched pebbles , intense silicification and brecciation . For most part of the shear zone , the sense of movement is down dip , but towards north , around ...
Contents
AIRBORNE MINERAL SURVEYS EXPLORATION WING 28 | 28 |
MARINE WING 4757 | 47 |
CENTRAL REGION 5889 | 58 |
Copyright | |
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alluvium amphibolite analysis Andhra Pradesh anomaly associated Asstt bands basalt base metal basin bed rock Bihar biotite block boreholes carried chalcopyrite charnockite clay coal seams coalfield Construction stage core covering deposits depth Director Geologist district Code DIVISION Headquarters drilling dykes excavation exploration exposed Formation foundation geochemical geological investigation geological mapping Geologist Jr geophysical Geophysicist geotechnical investigation gneiss gold Gondwana grained granite granite gneiss granitoids Group holes indicated km long Kumar limestone line km located logging migmatite mineral mineralisation occurs Orissa pegmatite phyllite power house Pradesh Precambrian project envisages construction quartz quartz veins quartzite Quaternary Rajasthan Raniganj river rock types samples were collected sand sandstone scale schist schist belt sediments shale shear zone Shri A. K. Singhbhum spillway sq km sq km area stage geotechnical investigation strike length studies sulphide Supergroup surface surveys thick tion Toposheet traverse trending tunnel upto volcanics West Bengal