Records of the Geological Survey of India, Volume 126, Parts 2-3The Survey, 1993 - 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 163
... veins correspond to aeroelectromag- netic anomalies and a linear aeromagnetic anomaly zone shows disseminations of sulphides of lead , zinc and copper . One quartz vein exposed in central part of the area mapped , adjoining to garnet ...
... veins correspond to aeroelectromag- netic anomalies and a linear aeromagnetic anomaly zone shows disseminations of sulphides of lead , zinc and copper . One quartz vein exposed in central part of the area mapped , adjoining to garnet ...
Page 108
... veins of granites and gneisses within the Iron Ore Stage suggest that the former is intrusive into the latter . Several sheared quartzites ; quartz reefs and veins with sulphide disseminations appear to be potential for gold ...
... veins of granites and gneisses within the Iron Ore Stage suggest that the former is intrusive into the latter . Several sheared quartzites ; quartz reefs and veins with sulphide disseminations appear to be potential for gold ...
Page 184
... veins traversing the Iron Ore group of rocks related to a system of Precambrian thrusts of Eastern Chhotanagpur . The visible streaks , pockets etc of Wolframite are distrib- uted sporadically in the quartz veins . The mineralised quartz ...
... veins traversing the Iron Ore group of rocks related to a system of Precambrian thrusts of Eastern Chhotanagpur . The visible streaks , pockets etc of Wolframite are distrib- uted sporadically in the quartz veins . The mineralised quartz ...
Contents
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 121 |
Geodata and Information Division | 141 |
Overview of the Deputy Director General | 195 |
Copyright | |
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amphibolite anomaly apatite bands BANKA DISTRICT Barakar Barakar Formation Barren Measures basemetal basin belt Bihar BIHAR Code biotite block boreholes carbonaceous chalcopyrite chlorite clay coal seams Coalfield Construction stage geotechnical copper cores covered delineated deposits depth DISTRICT drilling east eastern Engineering Geology fault field season folds foliation geochemical GEOLOGICAL MAP geophysical Geotechnical & Special geotechnical investigation Ghosh gneiss gold Gondwana grade granite gneiss grey Group heavy mineral INDEX indicated intersected Irrigation Project Kamthi laterite lithounits located magnetic metamorphism mica schist mineralisation occur Orissa OVERVIEW pegmatite phyllite PRADESH Purulia quartz quartz veins quartzite Quaternary Raniganj Regional exploration Regional Geology Division river rocks samples sand sandstone scale schist seabed seam zones sector sediments sequence shale shear zone slope spillway sq km stage geotechnical investigation strike length sulphide surface Talchir Formation thickness Toposheet trending ultramafic unconformably upto varies volcanics West Bengal