Records of the Geological Survey of India, Volume 105, Part 2Geological Survey of India, 1973 - 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. |
From inside the book
Results 1-3 of 7
Page 151
... lodes have been tested up to a depth of 80 m . from the surface . Two boreholes , in the western part of the area , intersected the lodes at about 150 m . below the deepest level of the Bengal Baraganda Copper Company mine development ...
... lodes have been tested up to a depth of 80 m . from the surface . Two boreholes , in the western part of the area , intersected the lodes at about 150 m . below the deepest level of the Bengal Baraganda Copper Company mine development ...
Page 152
... lodes is noticed . within short distances , often within 20-30 m . , along strike and depth , ( Pl . 15 & 16. ) Accross the width of the lodes , similar variation in the strength of mineralisation is observed . The lode zones are ...
... lodes is noticed . within short distances , often within 20-30 m . , along strike and depth , ( Pl . 15 & 16. ) Accross the width of the lodes , similar variation in the strength of mineralisation is observed . The lode zones are ...
Page 153
... Lode No. 4 & 4A : The two lodes are zones of weak mineralisation and occur in felspathic ( biotite ) muscovite - quartz schist . Both the lodes occur as two lenses of 60 m . each , separated by barren ground of 80 to 100 m . Reserves of ...
... Lode No. 4 & 4A : The two lodes are zones of weak mineralisation and occur in felspathic ( biotite ) muscovite - quartz schist . Both the lodes occur as two lenses of 60 m . each , separated by barren ground of 80 to 100 m . Reserves of ...
Contents
RECORDS | 2 |
The Geology and Mineral Resources of the Andaman | 25 |
Geology of the Coal Measures in the Deccan Trap region | 69 |
Copyright | |
16 other sections not shown
Other editions - View all
Common terms and phrases
80 mesh amphibolites analysed Andaman island anorthosites apatite bands Baraganda Baratang Baratang island basaltic basin beds Bihar biotite Bramlette and Riedel calc-granulite calcareous calcite carbonate Carboniferous charnockites chemical clay coal coalfield coalseams conglomerate copper Deflandre deposit Discoaster district endothermic endothermic peak Eocene estherids fauna felspar figs folds foliation Formation fossil gabbro Gangamopteris garnetiferous geochemical Geol Geological Survey glacier gneisses Gondwana grains granitic gray graywacke hill INDIA Records indicate khondalites Krol limestone lodes Lower margins metadolerite metal Middle Andaman mineral mineralisation Mussoorie Nala occur Orissa orthopyroxene oxides para-amphibolite Permian phosphate phosphorite pinnules plagioclase Plate present pyroxene quartz quartzite rocks samples sandstone schist sedimentary sediments shales shear shows siltstone snout South Andaman Stradner strike length Surv Survey of India thickness Thinnfeldia tion tonnes trace element ultrabasic upto valley varies veins younger ortho-amphibolite Zemu glacier zone