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 6
... bands if any . The sillimanite - corundum bearing band lies around Riangdo ( Sonapahar ) and the area lying north of it was taken up for mapping on 1 : 25 , 000 scale . The area is bounded between latitude 25 ° 39′35 ′′ N 25 ° 45'00 " N ...
... bands if any . The sillimanite - corundum bearing band lies around Riangdo ( Sonapahar ) and the area lying north of it was taken up for mapping on 1 : 25 , 000 scale . The area is bounded between latitude 25 ° 39′35 ′′ N 25 ° 45'00 " N ...
Page 7
... bands of basic granulite are intimately occurring along with sillimanite bearing rocks WNW of Lalmati . Small boulders of sillimanite bearing rock are also seen within basic granulite . An amphibolite band possibly retrograded from ...
... bands of basic granulite are intimately occurring along with sillimanite bearing rocks WNW of Lalmati . Small boulders of sillimanite bearing rock are also seen within basic granulite . An amphibolite band possibly retrograded from ...
Page 39
... bands are exposed as very thin and discontinuous bands within siltstone / sandstone . No major economic minerals of clay and coal occurrences have been located in the mapped area ; a few laths and stringers of coal were observed in ...
... bands are exposed as very thin and discontinuous bands within siltstone / sandstone . No major economic minerals of clay and coal occurrences have been located in the mapped area ; a few laths and stringers of coal were observed in ...
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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