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 68
... massive part of the units is nonporphyritic to moderately porphyritic Green Bole ( Impersistent ) / Calcareous chert GEOLOGY OF THE PARTS OF AKOLA AND YAVATMAL DISTRICTS MAHARASHTRA ( Code No. GM / 55 GHL / 47 IJMN / MH / CR / 18 ( 2 ) ...
... massive part of the units is nonporphyritic to moderately porphyritic Green Bole ( Impersistent ) / Calcareous chert GEOLOGY OF THE PARTS OF AKOLA AND YAVATMAL DISTRICTS MAHARASHTRA ( Code No. GM / 55 GHL / 47 IJMN / MH / CR / 18 ( 2 ) ...
Page 76
... massive Fragmentary top with impersistent red bole . Fine grained , sparsely to moderately porphyritic with medium sized phenocrysts , compact and massive Red bole capping reddened crusts . Fine grained , non- porphyritic , comprises ...
... massive Fragmentary top with impersistent red bole . Fine grained , sparsely to moderately porphyritic with medium sized phenocrysts , compact and massive Red bole capping reddened crusts . Fine grained , non- porphyritic , comprises ...
Page 79
... massive aa flow Fine grained , highly porphyritic compact and massive with well developed columnar joints , aa flow Fine grained , highly porphyritic , light grey , vesicular pahoehoe units with reddened crust . Phenocryst of felspar ...
... massive aa flow Fine grained , highly porphyritic compact and massive with well developed columnar joints , aa flow Fine grained , highly porphyritic , light grey , vesicular pahoehoe units with reddened crust . Phenocryst of felspar ...
Contents
GEOLOGICAL MAPPING 1 to 106 | 13 |
MINERAL INVESTIGATIONS 107 to 154 | 113 |
GEOTECHNICAL INVESTIGATIONS 155 to | 169 |
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Common terms and phrases
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