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 75
... flows and their mode of effusion . Eleven basalt flows have been delineated within a 270 m thick sequence between 790 m and 520 m above M.S.L. The lava flows are dominantly of aa character ; only two in the entire sequence show ...
... flows and their mode of effusion . Eleven basalt flows have been delineated within a 270 m thick sequence between 790 m and 520 m above M.S.L. The lava flows are dominantly of aa character ; only two in the entire sequence show ...
Page 81
... flows are grouped into four flow groups , as described below . Group - I : It consists of one compound pahoe- hoe flow , exposed in the plains , east of Ahmed- nagar , between 675 m and 700 m . The thickness of this flow is more than 25 ...
... flows are grouped into four flow groups , as described below . Group - I : It consists of one compound pahoe- hoe flow , exposed in the plains , east of Ahmed- nagar , between 675 m and 700 m . The thickness of this flow is more than 25 ...
Page 83
Geological Survey of India. Compound pahoehoe exposed only in the southern part of 10 flows - 6 aa and 4 compound pahoehoe flows . ( 294 m ) Indrayani Megaphenocryst bearing compound pahoehoe flow ( 5-50 m ) M3 7 flows 3 aa and 4 ...
Geological Survey of India. Compound pahoehoe exposed only in the southern part of 10 flows - 6 aa and 4 compound pahoehoe flows . ( 294 m ) Indrayani Megaphenocryst bearing compound pahoehoe flow ( 5-50 m ) M3 7 flows 3 aa and 4 ...
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