..., Ag AND Hg IN THE POLYMETALLIC SULPHIDE DEPOSIT OF RANGPO, SIKKIM A. K. GHOSH Department of Geology, Calcutta. University The lead-zinc-copper deposit of Rangpo (27°ll'N : 88°3l'E) is, as yet, the only source of base metals in the mountainous land of Sikkim in Eastern Himalaya. The deposit is being...

...N. K. Mukherjee; B. K. Dhruva Rao Abstract The Bhotang sulphide deposit, situated near the border town of Rangpo, Sikkim was explored in detail during 1957-59. The copper-lead-zinc lode is exposed in a hill scarp over a strike length of about 400 m. with a strike of N 50°E and a dip of 65°SE...

...Fig. 6. Topography corrected and distorted MT response of Rangpo site in Lesser Himalaya ( Kumar et al., 2018 ). ...

... of the Sikkim-Darjeeling area (modified after Gansser, 1964). In-set B: Location of the study area in relation to the axial plane trace of the Rangpo-chu anticline. to be their reworked equivalent (Sinha Roy, 1973b, 1976a). This composite rock suite tectonically overlies the Lower Gondwana rocks, the latter...

.... Min. Met. Soc. India, v, 29, no. 2, pp, 103-105. TEWARJ, B. S. and AWASTHJ. N., (1960) A preliminary note on fossil shark teeth from Baripada beds, Orissa. Proc. 47th Indian Sci. Congr. Assoc.. pt. 3, p. 277. ABUNDANCE OF Co, Ni, Cd, Ag AND Hg IN THE POLYMETALLIC SULPHIDE DEPOSIT OF RANGPO, SIKKIM...

... environment include Gangtok, Lachung, Singhtham, Mangan, Jorthang, Legship, Geizing, and Rangpo. The earthquake was reported to be widely felt in adjoining states of Assam, Meghalaya, northern parts of West Bengal, Bihar, and parts of other eastern and northern regions of India. The authors visited...

..., A. (1964). Geology of the Himalayas. Jntcrsc. Pub., John Wiley and Sons, London, 289p. _ _ _ (1993). Facts and theories on the Himalayas. Jour. Geol. Soc. India, v.41, pp.487-508. GHOSH, A.K. (1968). Quantitative analysis of polymetallic orebody zoning at Rangpo, Sikkim. Econ. Geo v.63, pp.682-687...

... worse by the release of water from Chungthang dam. Several towns, including Dikchu, Singtam, and Rangpo located in the Teesta basin, have also been flooded with the upsurge in the river. Over 3,000 tourists are reported to be stranded in different parts of Sikkim while some 166 people have so far been...

... where thrusting is not evident. GEOLOGICAL MAP OF A SMALL SECTOR NEAR GANGTOK.DIKCHHU AND RANGPO. ILLUSTRATING DISTRIBUTION PATTERN OF METAMORPHIC INDEX MINERALS AND FABRIC ELEMENTS IN METASEDIMENTS AND GRANITIC GNEISSES. O 2Km Scale INDEX c::J Phyllit and Ichl,t. (Index minerols ,hown by C...

... the presence of national highway (NH-31A), district headquarter (Mangan), existing hydro-electric projects (Teesta stage III, IV and V), urban agglomerations (Rangpo, Singtam, Dikchu, Chungthang) and defence establishments (Rangrang, Pegong) and is affected by several landslides. Geologically the area...

... Konzentrationen von Quecksilber in Gesteinen and Boden und ihre Anwendung bei der geochemischen Exploration von Erzlagerstatten. Erzmetall, v. 22, pp. 74-84and 214-218. GHOSH, A. K., (1968) Quantitative analysis of polymetallic orebody zoning at Rangpo, Sikkim. Econ. Geol., v. 63, pp, 682·687. - - (1972)Trace...

.... Ed. IT MUKHERJEE, N.K. and B.K. DHRUVA IUo, (1974). Geology of Bhotang sulphide deposit. Rangpo, Sikkim Jour. Geol. Soc. Ind. V. 15. No.1. pp 65-73. SINGH, N.N. (1988) Tectonic and stratigraphic frame work of the Lead-Zinc sulphide Mineralization at Zawar Mala, Dist. Udaipur. Rajasthan. Jour. Geol...

... for other alkali-bearing Cu-Fe sulfides from the same locality. J.L.J. Yu.S. Borodaev, N.N. Mozgova, S.V. Ezhov, S.M. Gandhi, A. Mookherjee (2002) Textural and mineralogical characteristics of metamorphosed ore from the Rangpo polymetallic deposit (Sikkim, India). Vestnik Mosk. Universit. Seriya 4...

.... Sample traverse lines are also shown. Originally, such granitic gneisses were mapped as two bands, one extending from Dikchu to north east of Rangpo, and the other extending from Gangtok through Lingtse southwards. This gneissic body has been traced in the Kalimpong hill range along the border...

... pertains to the low-grade (in Barrovian sense) counterpart of this Group. This tectonic unit is demarcated by the Window thrust at the base, exposed around the' tectonic window' in the Rangpo-Chu valley, and by the Central Crystalline thrust at the top in the east. References to structural levels...

... building collapse and casualties (source: NDTV), (c) NH-10 has been blocked from both West Bengal and Sikkim sides after multiple Rangpo landslides (source: https://www.eastmojo.com), (d) A mudslide during a torrential downpour devastated the New Haflong railway station in Assam (source: NDTV), (e...

... Delhi, India : R.K. Publications . Bhattacharya , A. and Sengupta , C.K. (2001) Landslide Hazard Zonation along NH-31A from Sevok to Rangpo: A Terrain Evaluation Study . Jour. Engg. Geol ., v. XXVII ( 1-4 ), pp. 75 – 76 . Brabb , E.E. (1984) Innovative approachs...