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 8
... follows : Biotite hornblende gneiss : Quartz + alkali feldspar + biotite + hornblende + opaques Biotite gneiss : Quartz + orthoclase + perthite + microcline + biotite + apatite + opaques Granite gneiss : Quartz + alkali feldspar + ...
... follows : Biotite hornblende gneiss : Quartz + alkali feldspar + biotite + hornblende + opaques Biotite gneiss : Quartz + orthoclase + perthite + microcline + biotite + apatite + opaques Granite gneiss : Quartz + alkali feldspar + ...
Page 21
... follows : Lithological description Dark grey to black clay , silt and sand deposit Clay , sand gravel , pebble ... follow north - south trend with local variation at places and dips either towards east or west . The Quaternary deposits ...
... follows : Lithological description Dark grey to black clay , silt and sand deposit Clay , sand gravel , pebble ... follow north - south trend with local variation at places and dips either towards east or west . The Quaternary deposits ...
Page 35
... follows : GROUP FORMATION MEMBER Tipam Tipam Sandstone Girujan Clays Bokabil Fm Surma Bhuban Fm Jenam Fm Barail Laisong Fm Disang Disang Fm Upper Disang LITHOGY Thick bedded , coarse grained ferrugineous andstone , siltstone and clay ...
... follows : GROUP FORMATION MEMBER Tipam Tipam Sandstone Girujan Clays Bokabil Fm Surma Bhuban Fm Jenam Fm Barail Laisong Fm Disang Disang Fm Upper Disang LITHOGY Thick bedded , coarse grained ferrugineous andstone , siltstone and clay ...
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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