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 21
... 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 deposit Clay ...
... 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 deposit Clay ...
Page 34
... mainly an alternative sequence of sandstone , shale , siltsone and contact between these formation's are gradational . Disang Group are made up of alternating sequence of shale , sandstone and siltstone which gradually grade into thick ...
... mainly an alternative sequence of sandstone , shale , siltsone and contact between these formation's are gradational . Disang Group are made up of alternating sequence of shale , sandstone and siltstone which gradually grade into thick ...
Page 35
... mainly alternateive sequence of sandstone , shale , siltstone and mudstone of Tertiary age . The contact between these formations are gradational ( Plate ) . The tentative lithostratigraphic succession of the area is as follows : GROUP ...
... mainly alternateive sequence of sandstone , shale , siltstone and mudstone of Tertiary age . The contact between these formations are gradational ( Plate ) . The tentative lithostratigraphic succession of the area is as follows : GROUP ...
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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