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 7
... folds . The F , folds are close to open folds with axial trace varying from NNE - SSW to NW - SE with steep reversal of dips . Mullion / rod structures are aligned parallel to the F , fold axis while a well defined steeply plunging ...
... folds . The F , folds are close to open folds with axial trace varying from NNE - SSW to NW - SE with steep reversal of dips . Mullion / rod structures are aligned parallel to the F , fold axis while a well defined steeply plunging ...
Page 12
... folding is noticed all over the area . A major fold is observed in the eastern part of the area which may probably be due to intrusion of porphyritic granite . The general strike of foliation of gneissic rock on the western part is ...
... folding is noticed all over the area . A major fold is observed in the eastern part of the area which may probably be due to intrusion of porphyritic granite . The general strike of foliation of gneissic rock on the western part is ...
Page 45
... fold . In F , fold , the S , becomes almost parallel with S , plane along the limbs and it makes an angle near the hinges . The general strike of S , plane is NW - SE to WNW - ENE with moderate to steep dips toward NE in between Mayudia ...
... fold . In F , fold , the S , becomes almost parallel with S , plane along the limbs and it makes an angle near the hinges . The general strike of S , plane is NW - SE to WNW - ENE with moderate to steep dips toward NE in between Mayudia ...
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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