Records of the Geological Survey of India, Volume 127, Part 2The Survey, 1992 - 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 skarn 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 skarn 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 0-22 20-01 0-19 0-034 ...
... 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 0-22 20-01 0-19 0-034 ...
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 ...
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Common terms and phrases
aeromagnetic airborne amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies bands Barakar Barakar Formation Barren Measures basement basin Bengal BHUTAN Bihar biotite block boreholes carbonaceous charnockite Chekha clay coal seams COAL WING Coalfield coarse Code cores covered cruise depth range DISTRICT Division dolomite drilling east eastern exploration for coal faults field season fold geochemical GEOLOGICAL MAP gneiss Gondwana grained 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 Talchir Tamil Nadu tectonic thickness Thimphu Thimphu Formation toposheet trending upto varies