Rb-Sr ages of micas from the Kathmandu complex, Central Nepalese Himalaya: Implications for the evolution of the Main Central Thrust

Journal of the Geological Society

Volumn 154, Issue 5, 1997, Pages 863-869

  Johnson, M R W ^a   Rogers, G ^b  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

^b SCOTTISH UNIVERSITIES ENVIRONMENTAL RESEARCH CENTRE   (United Kingdom)

Author keywords

Cooling; Dates; Erosion; Himalayas; Thrust faults

Indexed keywords

COOLING; EROSION; RUBIDIUM/STRONTIUM DATING; TECTONIC DENUDATION; TERTIARY; THRUST FAULT;

NEPAL, HIMALAYAS;

EID: 0031463998     PISSN: 00167649     EISSN: None     Source Type: Journal    
DOI: 10.1144/gsjgs.154.5.0863     Document Type: Article

References (37)

1. 87Sr age determinations and discussion. Colloques internationaux du C. N. R.S., 268, Paris, 31-40.
2. BRUNEL, M. & KIENAST, J.R. 1981. P. T. metamorphic estimates across the Himalayan nappes and tectono-metamorphic modelling. Terra Cognita, Special Issue, 87-88.
3. _ & _ 1986. Étude pétro-structurale des chevauchements ductiles himalayens sur la transversale de l'Everest-Makalu (Népal oriental). Canadian Journal of Earth Sciences, 23, 1117-1137.
4. COPELAND, P., HARRISON, T.M., HODGES, K.V., MARUÉJOL, P., LE FORT, P. & PÊCHER, A. 1991. An early Pliocene thermal disturbance of the Main Central thrust, Central Nepal: implications for Himalayan tectonics. Journal of Geophysical Research, 96, B5, 8475-8500.
5. DEBON, F., LE FORT, P., SHEPPARD, S.M.F. & SONET, J. 1986. The four Plutonic Belts of the Transhimalaya-Himalaya: a chemical, mineralogical, isotopic and chronological synthesis along a Tibet-Nepal section. Journal of Petrology, 27, 219-250.
6. ENGLAND, P.C., LE FORT, P., MOLNAR, P. & PÊCHER, A. 1992. Heat sources for Tertiary metamorphism and anatexis in the Annapurna-Manaslu region Central Nepal. Journal of Geophysical Research, 97, B2, 2107-2128.
7. GHOSH, S. 1992. Evolution of the Main Central thrust zone in the Higher Garhwal-Kumaun Himalayas: an integrated structural and textural study. M.Phil, thesis, University of Edinburgh.
8. HODGES, K.V., PARRISH, R.R. & SEARLE, M.P. 1996. Tectonic evolution of the central Annapurna Range, Nepalese Himalaya. Tectonics, 15, 12694-1291.
9. HUBBARD, M.S. 1989. Thermobarometric constraints on the thermal history of the Main Central Thrust zone and Tibetan Slab, Eastern Nepal. Journal of Metamorphic Geology, 7, 19-30.
10. 39Ar age constraints on deformation and metamorphism in the Main Central Thrust zone and Tibetan Slab, Eastern Nepal Himalaya. Tectonics, 8, 865-880,
11. INGER, S. & HARRIS, N.B.W. 1992. Tectonothermal evolution of the High Himalayan Crystalline sequence, Langtang Valley, northern Nepal. Journal of Metamorphic Geology, 10, 439-452.
12. JOHNSON, M.R.W. 1986. The structural evolution of the Kumaun Lesser Himalaya. In: SAKLANI, P.S. (ed.) Current Trends in Geology: Himalaya thrusts and associated rocks. Today and Tomorrow's Publishers, New Delhi, 27-39.
13. _ 1994. Culminations and domal uplifts in the Himalaya. Tectonophysics, 239, 139-147.
14. _ & OLIVER, G.J.H. 1990. Pre-collision and post-collision thermal events in the Himalaya. Geology, 18, 753-756.
15. _ & ROGERS, G. 1995. Age of the Kathmandu complex (abstract) Tenth Himalayan Karakoram Tibet Workshop. Ascona, Switzerland.
16. LE FORT, P. 1988. Granites in the tectonic evolution of the Himalaya, Karakoram and Southern Tibet. In: SHACKLETON, R.M., DEWEY, J.F. & WINDLEY, B.F. (eds) Tectonic Evolution of the Himalayas and Tibet. Philosophical Transactions of the Royal Society, London, A326, 281-299.
17. _, DEBON, F. & SONET, J. 1983. The Lower Palaeozoic "Lesser Himalaya" granitic belt: emphasis on the Simchar pluton of Central Nepal. In: SCHAMS, F.A. (ed.) Granites of Himalayas, Karakoram and Hindu Kush. Institute of Geology, Punjab University, Lahore, 235-251.
18. _, PÊCHER, A., SONET, J. & VIDAL, P. 1986. The 500 Ma magmatic event in Alpine Southern Asia, a thermal episode at Gondwana scale. Sciences de la Terre, Mémoire 47, 191-209.
19. LYON-CAEN, H. & MOLNAR, P. 1988. Gravity anomalies, flexure of the Indian plate, and the structure, support and evolution of the Himalaya and Ganga Basin. Tectonics, 4, 513-538.
20. MACFARLANE, A.M. 1993. Chronology of tectonic events in the crystalline core of the Himalaya, Langtang National Park, Central Nepal. Tectonics, 12, 1004-1025.
21. _ 1995. An evaluation of the inverted metamorphic gradient at Langtang National Park, Central Nepal Himalaya. Journal of Metamorphic Geology, 13, 595-612.
22. _, HODGES, K.V. & LUX, D. 1992. A structural analysis of the Main Central Thrust zone, Langtang National Park, central Nepal Himalaya. Geological Society of America Bulletin, 104, 1389-1402.
23. MARQUER, D., BAUDIN, T., PEUCAT, J.-J. & PERSOZ, F. 1994. Rb-Sr mica ages in the Alpine shear zones of the Truzzo granite: timing of the Tertiary alpine P-T deformations in the Tambo nappe Central Alps, Switzerland. Ecologae Geologicae Helvetiae, 87, 225-239.
24. MITCHELL, A.H.G. 1981. Himalayan and Transhimalayan granitic rocks in and adjacent to Nepal and their mineral potential. Journal of Geological Society of Nepal, 1, 41-52.
25. MORRISON, C.W.K. & OLIVER, G.J.H. 1993. A study of illite crystallinity and fluid inclusions in the Kathmandu Klippe and the Main Central Thrust zone, Nepal. In: TRELOAR, P.J. & SEARLE, M.P. (eds) Himalayan Tectonics. Geological Society, London, Special Publications, 74, 525-540.
26. 39Ar dating of single muscovite crystals from early foreland basin sediments in India: implications for early Himalayan evolution. Geology, in press.
27. 39Ar fusion & K-Ar studies. Geological Magazine, 132, 139-149.
28. PARRISH, R.R. & HODGES, K.V. 1996. Isotopic constraints on the age and provenance of the Lesser and Greater Himalayan sequences, Nepalese Himalaya. Geological Society of America Bulletin, 108, 904-911.
29. _, _ & MACFARLANE, A.M. 1992. U-Pb geochronology of igneous and metamorphic rocks near the Main Central Thrust in the Langtang area, Central Nepal Himalaya (abstract) Seventh Himalaya-Karakorum-Tibet workshop, Oxford.
30. RAMSAY, J.G. & HUBER, M. 1987. The techniques of modern structural geology: Folds and Fractures. Academic Press.
31. REDDY, S.M., SEARLE, M.P. & MASSEY, J.A. 1993. Structural evolution of the High Himalayan gneiss sequence, Langtang Valley, Nepal. In: TRELOAR, P.J. & SEARLE, M.P. (eds) Himalayan Tectonics. Geological Society, London, Special Publications, 74, 375-389.
32. RUPPEL, C. & HODGES, K.V. 1994. Pressure-temperature-time paths from two-dimensional thermal models: prograde, retrograde, and inverted metamorphism. Tectonics, 13, 17-44.
33. SCHÄRER, U. & ALLÈGRE, C.J. 1983. The Palung granite (Himalaya), high-resolution U-Pb systematics in zircon & monazite. Earth and Planetary Science Letters, 63, 423-432.
34. SEARLE, M.P. 1995. Cooling histories, erosion, exhumation and kinematics of the Himalayan-Karakoram-Tibet orogenic belt. In: AN YIN & HARRISON, T.M. (eds) The Tectonic evolution of Asia. Cambridge University Press, 110-137.
35. _, COOPER, D.J.W. & REX, A.J. 1988. Collision tectonics of the Ladakh Zanskar Himalaya. In: SHACKLETON, R.M., DEWEY, J.F. & WINDLEY, B.F. (eds) Tectonic evolution of the Himalayas and Tibet. Philosophical Transactions of the Royal Society, London, A326, 117-149.
36. STÖCKLIN, J. 1980. Geology of Nepal and its regional framework. Journal of the Geological Society, London, 137, 1-34.
37. _ & BHATTARAI, K.D. 1982. Photogeological 1:100,000 map of part of Central Nepal. Ministry of Industry and Commerce: Department of Mines and Geology, Kathmandu.