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 12
... comprises of various litho units like basic intrusives like granulites and norites , granite gneiss , biotite gneiss , augen gneiss , cordierite - gneiss , sillimanite - gneiss , charnockite , porphyritic granite and arkosic sandstone ...
... comprises of various litho units like basic intrusives like granulites and norites , granite gneiss , biotite gneiss , augen gneiss , cordierite - gneiss , sillimanite - gneiss , charnockite , porphyritic granite and arkosic sandstone ...
Page 21
... comprises mainly two geological units , namely Tertiary sedimentary rocks and Quaternary sediments . The general geological succession of the study area is as follows : Lithological description Dark grey to black clay , silt and sand ...
... comprises mainly two geological units , namely Tertiary sedimentary rocks and Quaternary sediments . The general geological succession of the study area is as follows : Lithological description Dark grey to black clay , silt and sand ...
Page 59
... comprises granite gneiss , which is massive , hard , medium to coarse grained and moderately jointed . Prominent and ... comprising brownish to light brown sandy soil . From 12m to 19.5m weathered to partly weathered granite gneiss has ...
... comprises granite gneiss , which is massive , hard , medium to coarse grained and moderately jointed . Prominent and ... comprising brownish to light brown sandy soil . From 12m to 19.5m weathered to partly weathered granite gneiss has ...
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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