Records of the Geological Survey of India, Volume 124, Part 6The Survey, 1991 - 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 123
... depth persistence ( BT - 21 , BT - 22 and BT - 23 ) with positive results . A reserve of 0.82 m . tonnes of 6.73 % zinc average grade has been calculated over a strike length of 250 m and depth of 180 m in the area at cut off grade of 4 ...
... depth persistence ( BT - 21 , BT - 22 and BT - 23 ) with positive results . A reserve of 0.82 m . tonnes of 6.73 % zinc average grade has been calculated over a strike length of 250 m and depth of 180 m in the area at cut off grade of 4 ...
Page 160
... depth ) . Moreover , immediately underneath the weathered zone , 2 m thick band of red bole is met with . Thus , suitable basalt for foundation is anticipated at depth of 8 m ( R.L. 783 m ) . On the right abutment , rocky scarp face ...
... depth ) . Moreover , immediately underneath the weathered zone , 2 m thick band of red bole is met with . Thus , suitable basalt for foundation is anticipated at depth of 8 m ( R.L. 783 m ) . On the right abutment , rocky scarp face ...
Page 180
... depth upto 201.10 m . On reaching 113.85 m depth , the free flow geyseric discharge rose to a height of 1.5 m above the borehole collar . The rise in temperature of water to 105 ° C was attained on reaching a depth around 203.35 m ...
... depth upto 201.10 m . On reaching 113.85 m depth , the free flow geyseric discharge rose to a height of 1.5 m above the borehole collar . The rise in temperature of water to 105 ° C was attained on reaching a depth around 203.35 m ...
Contents
GEOLOGICAL MAPPING 1 to 106 | 13 |
MINERAL INVESTIGATIONS 107 to 154 | 113 |
GEOTECHNICAL INVESTIGATIONS 155 to | 169 |
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aa flows Alluvium bands basalt flows basemetal basin Bastar district Bhander block borehole chert clay compound pahoehoe flows comprises Deccan Trap Denwa deposits depth drilling dykes Economic Geology Division ENE-WSW exposed faults felspar field season flow groups fossils fragmentary top geochemical Geologist Jr geophysical gneiss Gondwana gradient holes indicate intrusive Jabalpur joints Lameta laterite lava pile limestone lineament Madhya Pradesh MADHYA PRADESH Code MAHARASHTRA MAHARASHTRA Code massive medium grained metabasic mineralisation minerals moderately porphyritic Nagpur Narmada non-porphyritic occur pahoehoe Parsora pegmatites phenocrysts phyllite plagioclase porphyritic Precambrian Project pyrite quartz quartz reefs quartz veins quartzite red bole Regional Geology Division Rewa river rock Sakoli samples sandstone Sausar scale scheelite schist sediments sequence shale shear zone sparsely porphyritic sq km stratigraphic structure studies Supergroup Systematic geological mapping thick Tiki tion toposheet trending Unconformity Upper upto vesicular Vindhyan Supergroup volcanic Yavatmal YAVATMAL DISTRICTS