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
... rock . Isolated dismembered thin bands of sillimanite bearing rocks occur between west of Tinhiang in the south to east of Sarong in the north , as the Umsohphi occurrence . Float boulders of sillimanite and corundum and corundum bearing ...
... rock . Isolated dismembered thin bands of sillimanite bearing rocks occur between west of Tinhiang in the south to east of Sarong in the north , as the Umsohphi occurrence . Float boulders of sillimanite and corundum and corundum bearing ...
Page 16
... rock samples including 15 samples for petrological studies were collected . The mafic - ultramafic suite of rocks is exposed towards the north of Mawpyut village , Jaintia Hills district . It is intrusive into quartzite of the Shillong ...
... rock samples including 15 samples for petrological studies were collected . The mafic - ultramafic suite of rocks is exposed towards the north of Mawpyut village , Jaintia Hills district . It is intrusive into quartzite of the Shillong ...
Page 45
... rocks with minor hornblende and iron oxides . Light pinkish coloured feldspar porphyroclasts with well developed pressure shadows are the characteristic features . The tails of feldspar porphyroclasts show dextral sense of shearing ...
... rocks with minor hornblende and iron oxides . Light pinkish coloured feldspar porphyroclasts with well developed pressure shadows are the characteristic features . The tails of feldspar porphyroclasts show dextral sense of shearing ...
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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