Records of the Geological Survey of India, Volume 142, Part 4The Survey, 2009 - 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
... shows poor sorting , sub angular to sub rounded grains of quartz ( fractured ) , mica and clay minerals floating in a matrix of carbonate , Shale shows clasts of quartz , feldspar embedded in a very fine grained chlorite matrix ...
... shows poor sorting , sub angular to sub rounded grains of quartz ( fractured ) , mica and clay minerals floating in a matrix of carbonate , Shale shows clasts of quartz , feldspar embedded in a very fine grained chlorite matrix ...
Page 42
... shows tight recumbent folding . Limestone / dolomite band was folded into synclines and anticlines near Palizi . Thin section studies reveal that the phyllites record imprints of ductile deformation where phyllogenetic mica shows ...
... shows tight recumbent folding . Limestone / dolomite band was folded into synclines and anticlines near Palizi . Thin section studies reveal that the phyllites record imprints of ductile deformation where phyllogenetic mica shows ...
Page 45
... shows evidence of ductile shearing . Quartz , feldspar , biotite and chlorite are its major constituent minerals ... shows complete serpentinisation . The massive , light to dark green medium grained variety is more common . At places ...
... shows evidence of ductile shearing . Quartz , feldspar , biotite and chlorite are its major constituent minerals ... shows complete serpentinisation . The massive , light to dark green medium grained variety is more common . At places ...
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active fault alignment amphibolite anorthosite arsenic Arunachal Pradesh Assam bands basic granulite biotite biotite gneiss charnockite clay coarse grained core logging dam axis depth DETAILED CORRIDOR MAPPING dipping DIVISION REVIEW drill East Khasi Hills exposed feldspar field season fold foliation Formation gabbroic anorthosite Geochemical Mapping geological mapping geotechnical investigation gneiss granite granulite gravity grey H.E. Project Hazard Zone Imphal Jaintia Hills district Kakching Khasi Hills district Leikai located Lower Dibang Valley mapped area Mawpyut Mayudia Meghalaya metamorphism minerals Mizoram NE-SW overburden phyllite pink granite gneiss plagioclase porphyritic porphyritic granite power house Proterozoic quartz quartzite Ri-Bhoi Riangdo river sandstone scale schist shale Shillong sillimanite silt siltstone slope stations studies surge shaft tectonic thick toposheet trend West Kameng district West Khasi West Khasi Hills इस एवं का कार्य की के को जनपद टोपोशीट सं तथा पर भूवैज्ञानिक मानचित्रण किया गया मेघालय वर्ग से हेतु है