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 55
... joint sets but only the bedding joints are found to be very prominent and have long continuity . The other joint sets are dis- continuous and irregular in nature . Two prominent weak / shear zones have been mapped in the foundation with ...
... joint sets but only the bedding joints are found to be very prominent and have long continuity . The other joint sets are dis- continuous and irregular in nature . Two prominent weak / shear zones have been mapped in the foundation with ...
Page 57
... joints and out of which foliation joint is very prominent . The gneisses near the contact have been noted to be very closely jointed ( highly fractured ) in nature appearing like shattered rock . The rockmass in this reach was also ...
... joints and out of which foliation joint is very prominent . The gneisses near the contact have been noted to be very closely jointed ( highly fractured ) in nature appearing like shattered rock . The rockmass in this reach was also ...
Page 71
... joint are as follows : N20 ° to 25 ° to 25 ° E , N70 ° W , N - S and a horizontal set . When the fourth set of horizontal joint is present then the rock easily breaks into angular fragments . The composition of Khasi Greenstones varies ...
... joint are as follows : N20 ° to 25 ° to 25 ° E , N70 ° W , N - S and a horizontal set . When the fourth set of horizontal joint is present then the rock easily breaks into angular fragments . The composition of Khasi Greenstones varies ...
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