Records of the Geological Survey of India, Volume 123, Part 8The Survey, 1990 - 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 118
... depth . In SK - 5 the gold mineralisation with values upto 11.75 g / t in a zone of 1.20m has been noted at about 25m below the surface ( 42.30-43.50m along drill depth ) . The continuity of mineralised zone marked by old workings was ...
... depth . In SK - 5 the gold mineralisation with values upto 11.75 g / t in a zone of 1.20m has been noted at about 25m below the surface ( 42.30-43.50m along drill depth ) . The continuity of mineralised zone marked by old workings was ...
Page 216
... depth was cased upto 576m , beyond which casing ( NX ) could not go . Further drilling on the hole may be possible only when the problem of collapses below 576 m depth is tackled . The indications of geothermal conditions in the hole ...
... depth was cased upto 576m , beyond which casing ( NX ) could not go . Further drilling on the hole may be possible only when the problem of collapses below 576 m depth is tackled . The indications of geothermal conditions in the hole ...
Page 217
... depth drilled so far . The overburden - bed rock boundary is interpreted to be at 20.6m depth . The rock cuttings examined for the top 46m of the hole predominantly comprise feldspar fragments , quartz grains and flakes of mica ...
... depth drilled so far . The overburden - bed rock boundary is interpreted to be at 20.6m depth . The rock cuttings examined for the top 46m of the hole predominantly comprise feldspar fragments , quartz grains and flakes of mica ...
Contents
MINERALOGY AND MORPHOMETRY OF SOME RECENT | 9 |
REVIEW OF WORK DONE BY THE REGIONAL GEOLOGY | 12 |
REVIEW OF WORK DONE IN THE REGIONAL GEOLOGY | 21 |
Copyright | |
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alluvial Alluvium bands bank bars base basin belt block carried channel clay collected Complex comprises construction continued covered Crystallines deposits depth detailed developed direction DISTRICT Division drill excavation exploration exposed fault field flood flows folds Formation fossils further Ganga Garhwal GEOLOGICAL INVESTIGATIONS geological mapping gneiss gold grade grained granite Granitoid grey Group HIMACHAL Himalaya hole indicated Jammu joints limestone lineament located logging Lower major material Member metre mineral mineralisation nala occur Older phyllite Plain Pleistocene present proposed quartz quartzite Quaternary range Recent recorded regional represented river rocks samples sand sandstone scale schist sediments sequence shale shear Siwalik slate slope soil sq.km STAGE strike structure studies suggested surface surveys terrace thick Thrust trending tunnel units Upper upto UTTAR PRADESH valley values varying zone