Records of the Geological Survey of India, Volume 114, Parts 4-6The Survey, 1982 - 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 39
... hills / ridges and ( ii ) denu- dational hills and ridges . The structural hills / ridges are the areas where folded structures like synforms , antiforms , isosclinal folds and cross folds could be delineated . The other areas of ...
... hills / ridges and ( ii ) denu- dational hills and ridges . The structural hills / ridges are the areas where folded structures like synforms , antiforms , isosclinal folds and cross folds could be delineated . The other areas of ...
Page 41
... hills / ridges and denudational hills / ridges . The sillimanite concentrations , both insitu and float were found confined to the structural hills / ridges . The stream order classification revealed that , in the areas of structural ...
... hills / ridges and denudational hills / ridges . The sillimanite concentrations , both insitu and float were found confined to the structural hills / ridges . The stream order classification revealed that , in the areas of structural ...
Page 42
... HILLS DISTRICT , MEGHALAYA . 25 ° 45 4 4 AREA A Km.l 0.5 0 0.5 I Km . SCALE : PART OF TOPOSHEET NO . 780/2 . 91 ° 05 ... hills / ridges Colluvial fil !. Hills / ridges of acidic rock ( igneous ) . X Hills / ridges of metavolcanics ...
... HILLS DISTRICT , MEGHALAYA . 25 ° 45 4 4 AREA A Km.l 0.5 0 0.5 I Km . SCALE : PART OF TOPOSHEET NO . 780/2 . 91 ° 05 ... hills / ridges Colluvial fil !. Hills / ridges of acidic rock ( igneous ) . X Hills / ridges of metavolcanics ...
Contents
PETROLOGY AND CHEMISTRY OF LEUCOCRATIC ROCKS FROM NAGA | 1 |
BLUE SCHISTS C TYPE ECLOGITES AND GARNET BEARING MAFIC | 7 |
THE NICKELIFEROUS MAGNETITE ASSOCIATED WITH THE NAGA | 15 |
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Andhra Pradesh anorthosite Arunachal assemblage associated bands basalt basin bauxite beds belt Bhulwa biotite calcite chert chlorite clay coal cobalt colour conglomerate corundum crystals Deccan Trap deposits Disang dolomite east Eocene evaporite facies fault flow foliation Formation fossil garnet garnetiferous gemstones Geol Surv Ind Geological Survey gneiss Gondwana grade grained granite grey Group gypsum hills horizon hornblende indicate Itwa Sandstone Karnataka Kerala laterite lignite limestone lineament lower Madhya Pradesh mafic magnetite manganese margin matrix metamorphism mineralisation minerals occur ophiolite oxides Panna Shale pegmatites phyllite plagioclase plain planation surfaces Plate pollen pyroxene quartz quartzite Ramanujam Ramrama ratio region Report Rewa Ringewadi river rocks samples sand Sandstone Sandur schist schistose sedimentary sediments Shale shows sillimanite Simrawal SiO2 skarn stratigraphic stromatolites structures Survey of India tectonic Tertiary thickness trend upper upto valley veins Vindhyan volcanic Wardha Warkalli zone