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 48
... ultramafic intrusives associated with the above formation are designated as Mayodia Group . The ultramafics are exposed from 46.6 km to 65.2 Km distance on Roing - Hunli road from Roig . Two smaller occurrences are present near 71 km ...
... ultramafic intrusives associated with the above formation are designated as Mayodia Group . The ultramafics are exposed from 46.6 km to 65.2 Km distance on Roing - Hunli road from Roig . Two smaller occurrences are present near 71 km ...
Page 70
... ultramafic dykes located between 71 and 73 km . stones on the Roing - Hunli road . Presence of chromite is recorded from a 2m wide amphibole bearing ultramafic horizon between 51 and 52 km . stones . Very poor concentration of suphides ...
... ultramafic dykes located between 71 and 73 km . stones on the Roing - Hunli road . Presence of chromite is recorded from a 2m wide amphibole bearing ultramafic horizon between 51 and 52 km . stones . Very poor concentration of suphides ...
Page 73
... ultramafic , though deformed , preserves primary evidence of intruding into the amphibolites and am- phibole gneisses of Precambrian Ithun Formation . Invol- vement of ultramafic in the " Himalayan Diastrophism " is exemplified by ...
... ultramafic , though deformed , preserves primary evidence of intruding into the amphibolites and am- phibole gneisses of Precambrian Ithun Formation . Invol- vement of ultramafic in the " Himalayan Diastrophism " is exemplified by ...
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