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 69
... thick . Middle massive part is fine to medium grained and non - porphyritic 395-400 Green bole and / or fragmentary zone 15 to 30 m The top is fragmentary and vesicular , 1 to 4 m thick , middle part is fine grained , dense and non ...
... thick . Middle massive part is fine to medium grained and non - porphyritic 395-400 Green bole and / or fragmentary zone 15 to 30 m The top is fragmentary and vesicular , 1 to 4 m thick , middle part is fine grained , dense and non ...
Page 71
... thick , Middle part is fine grained and aphyric . Clinkery base present in places 410-330 m Impersistent green bole 0.1 to 0.2 m 3-30 m Comprises two units 1-2 m thick . Vesicular top . Middle part is fine to medium grained and aphyric ...
... thick , Middle part is fine grained and aphyric . Clinkery base present in places 410-330 m Impersistent green bole 0.1 to 0.2 m 3-30 m Comprises two units 1-2 m thick . Vesicular top . Middle part is fine to medium grained and aphyric ...
Page 75
... thickness and are impartial to both flow types . Flow thicknesses vary considerably - 80 m thick as also 8 m thick flows have been recorded in the lava pile . In general , however , the flows average 20-25 m in thickness . The aa flows ...
... thickness and are impartial to both flow types . Flow thicknesses vary considerably - 80 m thick as also 8 m thick flows have been recorded in the lava pile . In general , however , the flows average 20-25 m in thickness . The aa flows ...
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