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 27
... folds , sympathetic to the regional folds are tight to close type with recumbent to low plunging style . A change in direction of compressive axis of this fold is evidenced by a second set of broad open folds making low angle with the ...
... folds , sympathetic to the regional folds are tight to close type with recumbent to low plunging style . A change in direction of compressive axis of this fold is evidenced by a second set of broad open folds making low angle with the ...
Page 33
... folds around Mouchar , tightness of folding and increase in the incidence of faulting . The Tertiary sequence of the area are mainly alter- nations of sandstone , shale , siltstone and mudstone and the contacts between the formations ...
... folds around Mouchar , tightness of folding and increase in the incidence of faulting . The Tertiary sequence of the area are mainly alter- nations of sandstone , shale , siltstone and mudstone and the contacts between the formations ...
Page 39
... fold , that has folded the earlier isoclinal fold , shows a trend of N 40 ° E S 40 ° W with 28 ° plunge due NE . · The quartzite of Dirang Formation indicates dissemi- nations of suspected sulphide mineralisation at places . In the ...
... fold , that has folded the earlier isoclinal fold , shows a trend of N 40 ° E S 40 ° W with 28 ° plunge due NE . · The quartzite of Dirang Formation indicates dissemi- nations of suspected sulphide mineralisation at places . In the ...
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