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 50
... joint is most prominent . These joints together make wedges in the rocks . The mapped area at places is covered with different type of soil ( mostly thick colluvial material ) of varying thickness upto 20m and is moderately to sparsely ...
... joint is most prominent . These joints together make wedges in the rocks . The mapped area at places is covered with different type of soil ( mostly thick colluvial material ) of varying thickness upto 20m and is moderately to sparsely ...
Page 59
... joints are observed in the riverbed outcrops . At least three sets of joint have been observed , however , the NE - SW set of joint dipping towards SE is very prominent . The overburden consists mainly of reddish to brown silty- clay ...
... joints are observed in the riverbed outcrops . At least three sets of joint have been observed , however , the NE - SW set of joint dipping towards SE is very prominent . The overburden consists mainly of reddish to brown silty- clay ...
Page 60
... joints have been recorded . Borehole no . LBDH - 2 located on the left bank along the dam axis has been drilled at EL 771.81m i.e. , 26.32m above the river bed level . The total depth of the hole is 28.8m . The borehole encountered ...
... joints have been recorded . Borehole no . LBDH - 2 located on the left bank along the dam axis has been drilled at EL 771.81m i.e. , 26.32m above the river bed level . The total depth of the hole is 28.8m . The borehole encountered ...
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Common terms and phrases
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