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 202
... quartz reefs / veins on either side . Preliminary test drilling was carried out on the quartz reefs / veins showing impressive lead , zinc and copper mineralisation . The boreholes were located ( Plate - I ) to inter- sect the quartz ...
... quartz reefs / veins on either side . Preliminary test drilling was carried out on the quartz reefs / veins showing impressive lead , zinc and copper mineralisation . The boreholes were located ( Plate - I ) to inter- sect the quartz ...
Page 209
... quartz mica sheist which shows no evidence of mineralisation . The sampling was restricted to quartz mica schist and the residual soil in the area . The samples were taken in a grid of 50mx20m . The third anomaly showing weak intensity ...
... quartz mica sheist which shows no evidence of mineralisation . The sampling was restricted to quartz mica schist and the residual soil in the area . The samples were taken in a grid of 50mx20m . The third anomaly showing weak intensity ...
Page 211
... quartz - mica schist / quartz schist , quartzite , calcareous quartzite , cherty quartzite , car- bonaceous phyllite with quartz vein and basic intrusives and rocks of Dalma metavolcanics namely pyroclasts , metabasalt , ultramafites ...
... quartz - mica schist / quartz schist , quartzite , calcareous quartzite , cherty quartzite , car- bonaceous phyllite with quartz vein and basic intrusives and rocks of Dalma metavolcanics namely pyroclasts , metabasalt , ultramafites ...
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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