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 20
... phenocrysts forming basal megapor- phyritic marker flow . Top is marked by distinct red bole and weathered zone Pahoehoe ( 2 ) , simple ( 2 ) . Fine grained , sparsely porphyritic with medium sized phenocrysts , at places ...
... phenocrysts forming basal megapor- phyritic marker flow . Top is marked by distinct red bole and weathered zone Pahoehoe ( 2 ) , simple ( 2 ) . Fine grained , sparsely porphyritic with medium sized phenocrysts , at places ...
Page 78
... phenocrysts. Flow Group - II shows thinning effect along SW direction and thickening effect due NE . Aa flows of flow Group - II form extensive plateau and they pinch out in SW part of toposheet No. 47 1/3 . Very fine grained acidic ...
... phenocrysts. Flow Group - II shows thinning effect along SW direction and thickening effect due NE . Aa flows of flow Group - II form extensive plateau and they pinch out in SW part of toposheet No. 47 1/3 . Very fine grained acidic ...
Page 79
... phenocrysts , compact and massive aa flow Fine grained , highly porphyritic compact and massive with well developed ... phenocrysts . Aa flow Fine grained , sparsely to non - porphyritic with medium size felspar phenocrysts , non ...
... phenocrysts , compact and massive aa flow Fine grained , highly porphyritic compact and massive with well developed ... phenocrysts . Aa flow Fine grained , sparsely to non - porphyritic with medium size felspar phenocrysts , non ...
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