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 125
... mineralisation occurs in the from of dissemination of scheelite grains within the lensoidal to tabular skam zone in the basal most parts of the Thimphu Fornation ( Fig . 1 ) . The other constituents of the Thimphu Formation are granite ...
... mineralisation occurs in the from of dissemination of scheelite grains within the lensoidal to tabular skam zone in the basal most parts of the Thimphu Fornation ( Fig . 1 ) . The other constituents of the Thimphu Formation are granite ...
Page 130
... mineralisation . Cumulative thickness of mineralised zone is three metres and traceable over a strike length of about 150m . Intensity of mineralisation is poor to moderate , analysing around 0.10 % WO3 . 0.03 022 20-01 0-19 0.054 ...
... mineralisation . Cumulative thickness of mineralised zone is three metres and traceable over a strike length of about 150m . Intensity of mineralisation is poor to moderate , analysing around 0.10 % WO3 . 0.03 022 20-01 0-19 0.054 ...
Page 196
... mineralisation manifested by profuse malachite , gossanised rock and disseminations of chalcopyrite , bornite , covellite chalcocite , pyrite and pyrrhotite . Copper mineralisation ap- pears to be stratabound related to basic volcanism ...
... mineralisation manifested by profuse malachite , gossanised rock and disseminations of chalcopyrite , bornite , covellite chalcocite , pyrite and pyrrhotite . Copper mineralisation ap- pears to be stratabound related to basic volcanism ...
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