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 22
Page 46
... samples of granite / pegmatitic rocks were sent to PPOD Division , AMSE , Bangalore , of which three samples indicate presence of autunite ( a secondary to primary uranium mineral showing fluorescence under UV light with yellowish green ...
... samples of granite / pegmatitic rocks were sent to PPOD Division , AMSE , Bangalore , of which three samples indicate presence of autunite ( a secondary to primary uranium mineral showing fluorescence under UV light with yellowish green ...
Page 48
... samples for chemical study . ( Fig . 18 ) . The para - metamorphites in the Dibang Valley area are composed of ... samples sent for PGE analysis , results of 10 samples have been received . Higher value of Pt in those is indicated as 50 ...
... samples for chemical study . ( Fig . 18 ) . The para - metamorphites in the Dibang Valley area are composed of ... samples sent for PGE analysis , results of 10 samples have been received . Higher value of Pt in those is indicated as 50 ...
Page 59
... samples of two different rock quarries of Ran- ganadi Hydro - electric Project were subjected to petrographic studies to bring out the quality of rock samples for the presence of deliterous material , if any . The identified rock types ...
... samples of two different rock quarries of Ran- ganadi Hydro - electric Project were subjected to petrographic studies to bring out the quality of rock samples for the presence of deliterous material , if any . The identified rock types ...
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