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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Results 1-3 of 26
Page 18
... Sandstone Formation : Mainly sandstone with dark grey clay lamination . Bokabil Formation : Mainly siltstone with interbands of sandstones . Bhuban Formation : Greyish sandstone with sandy shale bands . -UNCONFORMITY- BARAIL GROUP ( Not ...
... Sandstone Formation : Mainly sandstone with dark grey clay lamination . Bokabil Formation : Mainly siltstone with interbands of sandstones . Bhuban Formation : Greyish sandstone with sandy shale bands . -UNCONFORMITY- BARAIL GROUP ( Not ...
Page 22
... sandstone , gritty sandstone , clay and shalepebble - conglomerate . The sandstone may be classed as sublithic arenite . Fos- sil wood is found within this formation . A piece of fossil vertebra , identified as reptilian bone , has also ...
... sandstone , gritty sandstone , clay and shalepebble - conglomerate . The sandstone may be classed as sublithic arenite . Fos- sil wood is found within this formation . A piece of fossil vertebra , identified as reptilian bone , has also ...
Page 27
... sandstone , siltstone and shale with thick prominent bands of sandstone . -Unconformity- BARAIL Upper Barail Forma- GROUP tion : Predominantly unit . arenaceous Fine to medium grained feldspathic , micaceous , thin to thick bedded sandstone ...
... sandstone , siltstone and shale with thick prominent bands of sandstone . -Unconformity- BARAIL Upper Barail Forma- GROUP tion : Predominantly unit . arenaceous Fine to medium grained feldspathic , micaceous , thin to thick bedded sandstone ...
Contents
LIMESTONE INVESTIGATION Ops I Meghalaya | 6 |
An Overview | 17 |
Quaternary geology and geomorphological mapping of the Brahmaputra Valley | 23 |
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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