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
... places attains 450 m width . Lateral variations are seen from sillimanite to corundum to cordierite bearing rock . Isolated dismembered thin bands of sillimanite bearing rocks occur between west of Tinhiang in the south to east of ...
... places attains 450 m width . Lateral variations are seen from sillimanite to corundum to cordierite bearing rock . Isolated dismembered thin bands of sillimanite bearing rocks occur between west of Tinhiang in the south to east of ...
Page 45
... places monomineralic , and altered plagioclase . At places flaky variety of ultramafics occurs within this variety . Gabbros are emplaced within the ultramafic rocks . It is medium to coarse grained , highly altered and deformed showing ...
... places monomineralic , and altered plagioclase . At places flaky variety of ultramafics occurs within this variety . Gabbros are emplaced within the ultramafic rocks . It is medium to coarse grained , highly altered and deformed showing ...
Page 49
... places shows joints . From north of Mylliem to Shillong , the area is mostly occupied by Shillong quartzite . It is grayish white , fine to medium grained , hard and compact . Thin bands of phyllite and slate are also noted at places in ...
... places shows joints . From north of Mylliem to Shillong , the area is mostly occupied by Shillong quartzite . It is grayish white , fine to medium grained , hard and compact . Thin bands of phyllite and slate are also noted at places in ...
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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