Records of the Geological Survey of India, Volume 128, Part 2The Survey, 1995 - 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 23
... zones can be demar- chated : Zone I mus + bt + qtz + pl + st + grt + op + kf + grp Zone II bt + mus + qtz + pl + ky + st + grt + op + kf Zone III bt + qtz + pl + sil + grt + ky + mus + kf + grp Zone IV bt + qtz + kpl + kf + sil + grt + ...
... zones can be demar- chated : Zone I mus + bt + qtz + pl + st + grt + op + kf + grp Zone II bt + mus + qtz + pl + ky + st + grt + op + kf Zone III bt + qtz + pl + sil + grt + ky + mus + kf + grp Zone IV bt + qtz + kpl + kf + sil + grt + ...
Page 43
... zone between W280 and W100 indicates a general low gravity value flanked by linear gravity ' highs ' on both sides suggesting the possible extent of the depillard zone . The low gravity ones ( about -600 microgals ) in the western part ...
... zone between W280 and W100 indicates a general low gravity value flanked by linear gravity ' highs ' on both sides suggesting the possible extent of the depillard zone . The low gravity ones ( about -600 microgals ) in the western part ...
Page 141
... zone of ultrabasic and ultramafic enclaves east of NW - SE Ponnai river course ( which incidentally reflects a major shear zone with distinct magnetic discontinuity ) , a major N - S shear zone reflected as disconnected magnetic breaks ...
... zone of ultrabasic and ultramafic enclaves east of NW - SE Ponnai river course ( which incidentally reflects a major shear zone with distinct magnetic discontinuity ) , a major N - S shear zone reflected as disconnected magnetic breaks ...
Contents
CENTRAL HEADQUARTERS 150 | 1 |
ANTARCTICA DIVISION 5159 | 51 |
BHUTAN UNIT 6089 | 60 |
Copyright | |
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aeromagnetic aeromagnetic survey amphibolite AMSE Wing analysis anomalies assemblage Barakar Barakar Formation Barren Measures basin bathymetric Bengal Bhutan BIHAR biotite block boreholes carbonaceous carried clay COAL WING COALFIELD coarse coast Code core covered cruise depth range DISTRICT Division dolomite drilling east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP geophysical gneiss gold Gondwana grade grained granite gravity grey ground evaluation heavy minerals India indicated intersected intrusives investigation isobaths Kamthi Formation Lakshadweep lignite linear located MADHYA PRADESH magnetic metamorphic migmatites mineralisation multisensor northern NW-SE occur OVERVIEW phyllite programme quartz quartzite Raniganj Raniganj Formation REGIONAL EXPLORATION ridge rocks samples sand sandstone scale schist schist belt seabed seam zones sector sediments sequence SHAHDOL DISTRICT shale shallow shear slope Sohagpur sq km strike length structural studies surface surveys Talchir thickness Thimphu toposheet trending ultramafic upto varies volcanics water depths