Records of the Geological Survey of India, Volume 128, Part 4The Survey, 1996 - 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 9
... Granitoids . The area is densely forested with scanty outcrops and poor accessibility . The different components of the Gneisses / Granitoids have been differentiated to evolve the geological history . The main components identified in ...
... Granitoids . The area is densely forested with scanty outcrops and poor accessibility . The different components of the Gneisses / Granitoids have been differentiated to evolve the geological history . The main components identified in ...
Page 22
... granitoids are uncon- formably overlain by Lower Tertiary sediments of Jaintia Group called Shella Formation . The gneisses comprise grey , banded gneiss and pink coloured gneiss intruded by medium grained , equigranular granitoid along ...
... granitoids are uncon- formably overlain by Lower Tertiary sediments of Jaintia Group called Shella Formation . The gneisses comprise grey , banded gneiss and pink coloured gneiss intruded by medium grained , equigranular granitoid along ...
Page 46
... granitoids Sela Group Granitoids and their magmatic and pneumatogenic derivatives . Assimilated suite / migmatites formed due to influx of quartzofelspathic materials from the granitoids or partial anatectic melts of country rocks ...
... granitoids Sela Group Granitoids and their magmatic and pneumatogenic derivatives . Assimilated suite / migmatites formed due to influx of quartzofelspathic materials from the granitoids or partial anatectic melts of country rocks ...
Contents
LIMESTONE INVESTIGATION Ops I Meghalaya | 6 |
An Overview | 17 |
Quaternary geology and geomorphological mapping of the Brahmaputra Valley | 23 |
Copyright | |
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Common terms and phrases
Aizawl AIZAWL DISTRICT arenaceous argillaceous Arunachal Pradesh Assam bands Barail Group Bhuban Formation biotite Bokabil borehole CACHAR clay coal Code comprises Dauki Fault Dibang Valley Disang Group DIVISION An Overview dolomite East Siang Eocene erosion excavation exposed field season fold Geoenvironmental geotechnical gneiss granite granitoids grey indicate JAINTIA HILLS DISTRICT joint KALIYANI LINEAMENT Karbi Anglong District Khasi Greenstones Kopili Kumar limestone Litang lithostratigraphy lithounits located medium grained Meghalaya mineral mineralisation Mizoram molybdenite Mukatung Nagaland NE-SW North Eastern Region occur overlain pegmatitic power house prone areas Quaternary Ranganadi river rockmass samples sandstone scale schist sediments Sela Group sequence shale shear Shella Formation Shillong Siang District Sibsagar siltstone slope soil sq.km structure Surma Surma Group Survey of India Sylhet synclinal systematic geological mapping tectonic Tertiary thick TINSUKIA DISTRICT tion Tipam Group toposheet traverse trend TRIPURA tunnel ultramafic Unconformity West Kameng district zone