Records of the Geological Survey of India, Volume 134, Part 3Geological Survey of India, 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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Results 1-3 of 14
Page 138
... ranging from 275 ppb to 10.27 ppm . has been identified . Another lithounit which has indicated anomalous Au values is pyrite and arsenopyrite bearing dark grey cherty quartzite . Au values such as 1.36ppm . , 1.03ppm . , 930 ppb ...
... ranging from 275 ppb to 10.27 ppm . has been identified . Another lithounit which has indicated anomalous Au values is pyrite and arsenopyrite bearing dark grey cherty quartzite . Au values such as 1.36ppm . , 1.03ppm . , 930 ppb ...
Page 178
... ranging from 30 % to 45 % . Very rich chromite ores with Cr2O3 ranging from 45 % to 63 % . Each sample weighing about 2 kgs , of 2-5m chromite bands with the known grade was powdered to -200mesh and sent for PGE analysis . .Bed rock ...
... ranging from 30 % to 45 % . Very rich chromite ores with Cr2O3 ranging from 45 % to 63 % . Each sample weighing about 2 kgs , of 2-5m chromite bands with the known grade was powdered to -200mesh and sent for PGE analysis . .Bed rock ...
Page 189
... ranging from 3 m to 9 m at depth of 11 to 39 m with Visual Estimate of ore grade of 20-30 % Mn . In Rengali block , borehole BHR - 8 ( spill over drilling ) indicates thickness of ore zones ranging from 1.5 to 2 m at depths of 40 m and ...
... ranging from 3 m to 9 m at depth of 11 to 39 m with Visual Estimate of ore grade of 20-30 % Mn . In Rengali block , borehole BHR - 8 ( spill over drilling ) indicates thickness of ore zones ranging from 1.5 to 2 m at depths of 40 m and ...
Contents
HEADQUARTERS Page | 1 |
Petrology Division | 7 |
Palynostratigraphy of the Gondwana sediments in the Brahmani and Birbhum coalfield | 13 |
Copyright | |
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alluvium amphibolite anomaly antiform axial bands basemetal basin bauxite beach bed rock belt Bihar biotite block BOLANGIR DISTRICT boreholes carried charnockite chromite coarse grained Code construction core samples covered Deogarh deposits depth DISTRICT drilled earth dam eastern Engineering Geology Engineering Geology Division excavated exposed fault field season fold foliation formation fracture gabbro garnet garnetiferous geochemical sampling GEOLOGICAL MAP Geology Division Opn geophysical GEOTECHNICAL INVESTIGATION gneiss Gondwana grade granite granite gneiss granitoids grey identified indicated intersected iron Jharkhand khondalite laminated landslide laterite lithounits located manganese mica schist mineralisation minerals nala occurs Orissa pegmatite phyllite Project Engineering Geology Purulia pyrite quartz quartz veins quartzite regional river sandstone scale schist sector shale shear zone Sikkim Singhbhum slope soil spillway sq.km stream sediment sampling strike length structure Super Group supracrustal surface survey synforms thickness toposheet trench trending ultramafic volcanics WEST BENGAL WEST SINGHBHUM