Records of the Geological Survey of India, Volume 123, Part 6The Survey, 1990 - 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 12
... nature of the vast expanse of the older alluvium . However , the larger rivers are distinctly controlled by lineaments . Three morphostratigraphic surfaces , viz . ( i ) Sind surface ( 135 m to 110 m above MSL ) , ( ii ) Bera ( Sijroli ) ...
... nature of the vast expanse of the older alluvium . However , the larger rivers are distinctly controlled by lineaments . Three morphostratigraphic surfaces , viz . ( i ) Sind surface ( 135 m to 110 m above MSL ) , ( ii ) Bera ( Sijroli ) ...
Page 90
... nature , having megacrysts of felspar . Flow No. 11 is also moderately to highly porphyritic in nature but the feldspar phenocrysts are smaller in length , ranging from 1 mm to 3 mm . A medium to coarse grained basic dyke of width 8 to ...
... nature , having megacrysts of felspar . Flow No. 11 is also moderately to highly porphyritic in nature but the feldspar phenocrysts are smaller in length , ranging from 1 mm to 3 mm . A medium to coarse grained basic dyke of width 8 to ...
Page 100
... nature , whereas , the upper four groups of flows show gradation from the highly porphyrltic to very coarse phenocrystic flow , are considered useful for gradient calculation in the area west of the Ghat ; whereas , the flow which is ...
... nature , whereas , the upper four groups of flows show gradation from the highly porphyrltic to very coarse phenocrystic flow , are considered useful for gradient calculation in the area west of the Ghat ; whereas , the flow which is ...
Contents
GEOLOGICAL MAPPING | 1 |
II | 12 |
Economic Geology Division | 109 |
Copyright | |
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aa flow alluvium AMRAVATI DISTRICT bands basalt flows basin bed rock block bole borehole Chandi Formation chert clay coarse compound pahoehoe comprising conglomerate Deccan Trap delineated deposits depth dips DISTRICT OF MADHYA DISTRICT OF MAHARASHTRA dolomite drilling ENE-WSW Engineering Geology Division exposed fault ferruginous flow group geochemical Geologist Jr geophysical gneiss Gondwana gradient granite highly porphyritic horizon indicate intercalations Intertrappean intrusive Jabalpur joints Lameta Laterite lava flows lava pile limestone located Madhya Pradesh MADHYA PRADESH Code MAHARASHTRA Code medium grained metabasic metasediments mineral mineralisation moderately porphyritic mylonitic Nagpur nala non-porphyritic NW-SE occur olivine pahoehoe pahoehoe flow pegmatites phenocrysts phyllite plagioclase porphyritic Proterozoic Pune purple quartz quartz veins quartzite Quaternary Raipur Raipur District Regional Geology Division reservoir river samples sandstone scale schist sediments sequence shale sparsely porphyritic spillway sq km stratigraphic stromatolitic structure studies systematic geological mapping TEHSILS thick tholeiitic toposheet trending Unconformity Upper upto vesicular