Records of the Geological Survey of India, Volume 127, Part 2The Survey, 1994 - 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 131
... sericite - chlorite phyllite , whose foliation is defined by parallely alligned sericite- chlorite flakes and elongated quartz grains . Coarse grained hypidiomorphic calcite grains generally occur in layers . Some of the slides exihibit ...
... sericite - chlorite phyllite , whose foliation is defined by parallely alligned sericite- chlorite flakes and elongated quartz grains . Coarse grained hypidiomorphic calcite grains generally occur in layers . Some of the slides exihibit ...
Page 144
... sericite schist in 5 % to 10 % reach . The Rockmass Quality Index ' Q ' varies from 13.2 to 28 for hard and fresh quartzite ; 7.6 to 8.9 for amphibolite schist , 0.24 to 0.88 for sericite schist and 0.01 for sheared sericite schist and ...
... sericite schist in 5 % to 10 % reach . The Rockmass Quality Index ' Q ' varies from 13.2 to 28 for hard and fresh quartzite ; 7.6 to 8.9 for amphibolite schist , 0.24 to 0.88 for sericite schist and 0.01 for sheared sericite schist and ...
Page 225
... sericite schists and banded hematite quartzite which strike NNW - SSE with steep to vertical dips . A total of 122 nos . of samples were collected for . analysis of basemetals , tin and tungsten . The Gold has analysed less than 0.1 ppm ...
... sericite schists and banded hematite quartzite which strike NNW - SSE with steep to vertical dips . A total of 122 nos . of samples were collected for . analysis of basemetals , tin and tungsten . The Gold has analysed less than 0.1 ppm ...
Contents
Photogeology Remote Sensing Division | 29 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 146240 | 149 |
Overview of the Deputy Director General | 243 |
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Common terms and phrases
aeromagnetic airborne amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies bands Barakar Barakar Formation Barren Measures basin Bengal BHUTAN Bihar biotite block boreholes carbonaceous charnockite Chekha clay coal seams COAL WING Coalfield Code cores covered cruise depth range DISTRICT Division drilling east eastern exploration for coal faults field season fold geochemical GEOLOGICAL MAP geophysical data gneiss Gondwana granite gneiss gravity grey ground evaluation heavy mineral indicate intersected intrusives investigation isobath Kamthi LAMPROITE lamprophyres lignite lineament located MADHYA PRADESH magnetic metabasalt metamorphism migmatites million tonnes mineralisation multisensor NW-SE occur Orissa phyllite programme Proterozoic quartz quartzite Raniganj Regional exploration ridge rocks Sakoli sand sandstone scale schist seabed seam zones sector sediments sequence shale shear zones Shumar slope southern sq km strike length structural studies sub-basin sub-surface Survey of India Talchir Tamil Nadu tectonic thickness Thimphu toposheet trending upto varies