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Refereed Journal Articles/Papers

Metcalfe, I. and Wilson, A.A. 1977. Skipton Anticline. In: Field Meetings for 1975. Proc. Yorks. Geol. Soc., Vol. 41, pp. 168-170.

Metcalfe, I. and Leeder, M.R. 1979. Palaeontology and petrography of the St. Helen's Well Borehole, Eshton, Yorkshire. Trans. Leeds Geol. Ass., Vol. 9, pp. 53-60.

Metcalfe, I. 1979. Carboniferous conodonts from Perak, Malaysia. Warta Geologi, Vol. 5, pp. 35-39.

Metcalfe, I., Koike, T., Rafek M.B. and Haile, N.S. 1979. Triassic conodonts from Sumatra. Palaeontology, Vol. 22, pp. 737-746.

Turner, P., Metcalfe, I. and Tarling, D.H. 1979. Palaeomagnetic studies of some Dinantian limestones from the Craven Basin and a contribution to Asbian magnetostratigraphy. Proc. Yorks. Geol. Soc., Vol. 42, pp. 371-396.

Metcalfe, I. 1980. Palaeontology and age of the Panching limestone, Pahang, West Malaysia. Geol. Palaeont. Southeast Asia, Vol. 21, pp. 11-17.

Metcalfe, I. 1980. Upper Carboniferous conodont faunas of the Panching limestone, Pahang, West Malaysia. Palaeontology, Vol. 23, pp. 297-314.

Metcalfe, I. 1980. Conodont faunas and age of the Raygill Quarry limestones (Embsay Limestone), Lothersdale, Yorkshire. Proc. Yorks. Geol. Soc., Vol. 43, pp. 169-178.

Metcalfe, I. 1980. Ordovician conodonts from the Kaki Bukit area, Perlis, West Malaysia. Warta Geologi, Vol. 6, pp. 63-68.

Metcalfe, I., Idris, M. and Tan, J.T. 1980. Stratigraphy and palaeontology of the Carboniferous sediments in the Panching area, Pahang, West Malaysia. Geol. Soc. Malaysia Bull., No. 13, pp. 1-26.

Metcalfe, I., 1981. A late Wolfcampian (Early Permian) conodont fauna from Perak, Peninsular Malaysia. Warta Geologi, Vol. 7, pp. 76-79.

Metcalfe, I. 1982. Permian and early Triassic conodonts from northwest Peninsular Malaysia. Geol. Soc. Malaysia Bull., No. 14, pp. 119-126.

Metcalfe, I., Sivam S.P. and Stauffer, P.H. 1982. Stratigraphy and sedimentology of Middle Triassic rocks exposed near Lanchang, Pahang, Peninsular Malaysia. Geol. Soc. Malaysia Bull., No. 15, pp. 19-30.

Metcalfe, I. 1983. Conodont faunas, age and correlation of the Alas Formation (Carboniferous), Sumatra. Geol. Mag., Vol. 120, pp. 579-586.

Metcalfe, I. 1983. Devonian conodonts from Batu Gajah, Perak, Peninsular Malaysia. Warta Geologi, Vol. 9, pp. 152-54.

Metcalfe, I., and Chakraborty, K.R. 1983. Occurrence of a thick intraformational conglomerate horizon within the Semantan Formation (Triassic) near Temerloh, Pahang. Warta Geologi, Vol. 9, pp. 194-195.

Metcalfe, I. 1984. The Permian-Triassic boundary in north-west Malaya. Warta Geologi, Vol. 10, pp. 139-147.

Metcalfe, I. 1984. Observations on the micro-surface ornamentation and ultrastructure of some well preserved specimens of Idiognathoides noduliferus inaequalis Higgins (Pennsylvanian conodont). Geol. Soc. Malaysia Bull., No. 16, pp. 31-36.

Chakraborty, K.R. and Metcalfe, I. 1984. Intrabed Andalusite variation pattern as an indicator of graded beds at Kuala Kemasik, Trengganu. Geol. Soc. Malaysia Bull., No. 16, pp. 159-166.

Metcalfe, I. 1985. Lower Permian conodonts from the Terbat Formation, Sarawak. Warta Geologi, Vol. 11, pp. 1-4.

Chakraborty, K.R. and Metcalfe, I. 1985. Analysis of mesoscopic structures at Mersing and Tanjung Kempit, Johore, Peninsular Malaysia. Geol. Soc. Malaysia Bull., No. 17, pp. 357-371.

Metcalfe, I. 1985. Stratigraphy, palaeontology and palaeogeography of the Carboniferous of Southeast Asia. Mem. Soc. Geol. France, No. 147, pp. 107-118.

Metcalfe, I., Chakraborty, K.R., Foss, C.A. and Samsudin, H.T. 1985. A Middle Triassic fauna from the Bt. Jeram Padang Ridge at Bahau, Negri Sembilan, Peninsular Malaysia. Warta Geologi, Vol. 11, pp. 111-115.

Metcalfe, I. 1986. Late Palaeozoic palaeogeography of Southeast asia: Some stratigraphical, palaeontological and palaeomagnetic constraints. Geol. Soc. Malaysia Bull., No. 19, pp. 153-164.

Metcalfe, I. 1986. Konodon dan kegunaannya dalam geologi (Conodonts and their geological uses - in the Malay language). Sains Malaysiana, Vol. 15, pp. 103-116.

Metcalfe, I. 1987. Permian and Early Triassic conodonts from an olistostrome near Raub, Pahang and their implications. Laporan Teknik Fakulti Sains Fizis dan Gunaan, Universiti Kebangsaan Malaysia, Vol. 1, pp. 100-106.

Metcalfe, I. 1987. An occurrence of sheared diamictite near Genting Sempah. Warta Geologi, Vol. 13, pp. 97-103.

Metcalfe, I. and Chakraborty, K.R. 1988. Diamictite along the eastern margin of the Central Basin of the Malay Peninsula. Warta Geologi, Vol. 14, 191-198.

Chakraborty, K.R. and Metcalfe, I. 1988. Deformation and age of limestone exposed in Sungai Bilut near Raub, Pahang. Warta Geologi, Vol. 13, pp. 115-123.

Metcalfe, I. 1989. Triassic sedimentation in the Central Basin of Peninsular Malaysia. In: Thanasuthipitak, T. and Ounchanum, P. (eds.) Proc. Int. Conf. Intermontane Basins, Chiang Mai, Thailand, pp. 173-186.

Metcalfe, I. 1989. Conodont biostratigraphic studies in Sumatra: Preliminary results. Geol. Soc. Malaysia Bull., No. 20, pp. 243-247.

Metcalfe, I. 1989. Diamictite along the eastern margin of the Central Basin of the Malay Peninsula. Warta Geologi, Vol. 14, pp. 191-198 (Senior author with K.R. Chakraborty).

Metcalfe, I. 1989. Carboniferous and Permian Palaeogeography of Southeast Asia. Compte Rendu. Xle Congr. Intern. Strat. Geol. Carbonifere, Beijing, 1987, 4, 245-264.

Harbury, N.A., Jones, M.E., Audley-Charles, M.G., Metcalfe, I. and Mohamed, K.R. 1990. Structural evolution of Mesozoic Peninsular Malaysia. Jour. Geol. Soc. Lond., Vol. 147, pp. 11-26.

Metcalfe, I. 1990. Lower and Middle Triassic conodonts from the Jerus Limestone, Pahang, Peninsular Malaysia. Jour. Southeast Asian Earth Sci., Vol. 4, pp. 141-146.

Metcalfe, I. 1990. Allochthonous terrane processes in Southeast Asia. Phil. Trans. R. Soc. Lond. A331, pp. 625-640.

Metcalfe, I. 1990. Stratigraphical and tectonic implications of Triassic conodonts from northwest Peninsular Malaysia. Geol. Mag. Vol. 127, pp. 567-578.

Metcalfe, I. 1991 Reply to discussion on structural evolution of Mesozoic Peninsular Malaysia. Jour. Geol. Soc. London, Vol.148, pp.418-419.

Metcalfe, I. 1991 Triassic conodont biostratigraphy in the Malay Peninsula. Geol. Soc. Malaysia Bull., No. 26, pp131-143.

Metcalfe, I. 1991 Late Palaeozoic and Mesozoic Palaeogeography of Southeast Asia. Palaeogeogr. Palaeoclimatol. Palaeoecol., Vol. 87, pp. 211-221.

Metcalfe, I. 1992 Lower Triassic (Smithian) conodonts from northwest Pahang, Peninsular Malaysia. J. Micropalaeont. Vol. 11, pp.13-19.

Metcalfe, I. 1992. Ordovician to Permian evolution of Southeast Asian terranes: NW Australian Gondwana connections. In , Webby, B.D. and Laurie, J.R. (eds), Global perspectives on Ordovician geology (Proceedings Sixth International Symposium on the Ordovician System), pp. 293-305, A.A. Balkema, Rotterdam.

Metcalfe, I. 1992. Upper Triassic conodonts from the Kodiang Limestone, Kedah, Peninsular Malaysia. Jour. Southeast Asian Earth Sci. Vol. 7, pp.131-138.

Metcalfe, I. 1993. Southeast Asian terranes: Gondwanaland origins and evolution. In: Findlay, R.H., Unrug, R., Banks, M.R. and Veevers, J.J. (eds) Gondwana 8 - Assembly, Evolution, and Dispersal (Proceedings Eighth Gondwana Symposium, Hobart, 1991), pp. 181-200, A.A. Balkema, Rotterdam.

Metcalfe, I. 1993. Permian conodonts from the Raub Gold Mine, Pahang, Peninsular Malaysia. Warta Geologi Vol. 19, pp.85-88.

Metcalfe, I. 1994. Palaeomagnetic research in Southeast Asia: progress, problems and prospects. Exploration Geophysics.24, 277-282.

Metcalfe, I., Shergold, J.H. & Li, Z.X. 1994. IGCP 321 Gondwana dispersion and Asian accretion: fieldwork on Hainan Island. Episodes Vol. 16, No. 4, pp. 443-447.

Metcalfe, I. 1994. Gondwanaland origin, dispersion, and accretion of East and Southeast Asian continental terranes. Jour. South American Earth Sci. Vol. 7, pp. 333-347.

Metcalfe, I. 1994. Late Palaeozoic and Mesozoic Palaeogeography of Eastern Pangea and Tethys. In: Pangea: Global Environments and Resources; edited by A.F. Embry, B. Beauchamp and D.J. Glass, Canadian Society of Petroleum Geologists, Memoir 17, pp. 97-112.

Metcalfe, I. 1995. Mixed Permo-Triassic boundary conodont assemblages from Gua Sei and Kampong Gua, Pahang, Peninsular Malaysia. Courier Forschungsinstitut Senckenberg 182, 487-495.

Metcalfe, I. and Nicoll, R.S. 1995. Lower Permian conodonts from Western Australia, and their biogeographic and palaeoclimatological implications. Courier Forschungsinstitut Senckenberg 182, 559-560.

Spiller, F.C.P. and Metcalfe, I. 1995. Late Palaeozoic radiolarians from the Bentong-Raub suture zone and Semanggol Formation, Peninsular Malaysia - Initial findings. Jour. Southeast Asian Earth. Sci. 11, 217-224.

Chakraborty, K.R. and Metcalfe, I. 1995. Structural evidence for a probable Paleozoic unconformity at Kg. Kuala Abang, Trengganu. Warta Geologi, Vol. 21, pp. 141-146.

Li, Z.X., Metcalfe, I. and Wang, X.F. 1995. Vertical-axis block rotations in southwestern China since the Cretaceous: new paleomagnetic results from Hainan Island. Geophysical Research LettersVol. 22, no. 22, pp. 3071-3074.

Metcalfe, I. 1996. Pre-Cretaceous evolution of SE Asian terranes In, Hall, R. & Blundell, D. (eds) Tectonic Evolution of Southeast Asia. Geological Society Special Publication No. 106, pp. 97-122.

Metcalfe, I. and Chakraborty, K.R. 1996. A stratigraphic log of Semantan Formation along the Mentakab-Temerloh By-Pass, Pahang. Geol. Soc. Malaysia Bull. 35, pp. 37-46.

Metcalfe, I. 1996 Gondwanaland dispersion, Asian accretion and evolution of Eastern Tethys. Australian Journal of Earth Sciences, Vol. 43, No. 6., 605-623.

Metcalfe, I., Aitchison, J.C. and Stratford, J.M.C. 1997. Lower Devonian (Emsian) microfauna from the Gamilaroi terrane at Glenrock in the southern New England Orogen, New South Wales. Proc. Linnean Soc. New South Wales 118, 123-130.

Metcalfe, I. 1998. Palaeozoic and Mesozoic geological evolution of the SE Asian region: multidisciplinary constraints and implications for biogeography. Pp. 25-41 in: Hall, R. and Holloway, J.D. (eds) Biogeography and Geological Evolution of SE Asia, Backhuys Publishers, Amsterdam, The Netherlands.

Nicoll, R.S. and Metcalfe, I. 1998. Early and Middle Permian conodonts from the Canning and Southern Carnarvon Basins, Western Australia: Their implicationms for regional biogeography and palaeoclimatology. Proceedings Royal Society of Victoria 110, 419-461.

Metcalfe, I. 1999. Gondwana dispersion and Asian accretion: an overview. Pp. 9-28 in, Metcalfe, I. (ed) Gondwana dispersion and Asian accretion, Final Results Volume for IGCP Project 321. A.A. Balkema, Rotterdam

Metcalfe, I., Spiller, F.C.P., Liu Benpei, Wu Haoruo and Sashida, K. 1999. The Palaeo-Tethys in Mainland East and Southeast Asia: contributions from radiolarian studies. Pp. 259-281 in, Metcalfe, I. (ed) Gondwana dispersion and Asian accretion, Final Results Volume for IGCP Project 321. A.A. Balkema, Rotterdam.

Metcalfe, I. 1999. The ancient Tethys oceans of Asia: How many? How old? How deep? How wide? UNE Asia Centre UNEAC Paper. Published electronically at:

Metcalfe, I. 2000. The nature and ages of Palaeo-Tethyan suture zones in East Asia. Geosciences Journal 4, 33-38.

Wakita, K., Metcalfe, I., Hada, S. and Daigo, M.J.N. 2000. Digital terrane map of East and Southeast Asia. Geosciences Journal 4, 19-22.

Metcalfe, I. 2000. The Bentong-Raub Suture Zone. Journal of Asian Earth Sciences, Vol. 18, Part 6, pp. 691-712.

Wang Xiaofeng, Metcalfe, I., Jian Ping, He Longqing, and Wang Chuanshan 2000. The Jinshajiang- Ailaoshan suture zone : tectono-stratigraphy, age and evolution. Journal of Asian Earth Sciences, Vol. 18, Part 6, pp. 675-690.

Metcalfe, I. 2001. Warm Tethys and Cold Gondwana: East and SE Asia in Greater Gondwana during the Phanerozoic. In: R. H. Weiss (ed.), Contributions to Geology and Palaeontology of Gondwana - In Honour of Helmut WOPFNER, Kölner Forum Für Geologie und Paläontologie pp. 333-348, 13 figs., 1 tab., Köln. ISBN-No.: 3-934027-07-5

Griffin, W.L., Win, T.T., Davies, R., Wathanakul, P., Andrew, A., Metcalfe, I. and Cartigny, P. 2001. Diamonds from Myanmar and Thailand: Characteristics and Possible Origins. Economic Geology. 96(1):159-170.

Mundil, R., Metcalfe, I., Ludwig, K.R., Renne, P.R., Oberli, F. and Nicoll, R.S. 2001. Timing of the Permian-Triassic biotic crisis: Implications from new zircon U/Pb age data (and their limitations). Earth and Planetary Science Letters 187, 131-145.

Metcalfe, I., Nicoll, R.S., Mundil, R., Foster, C., Glen, J. Lyons, J., Wang Xiaofeng, Wang Cheng-yuan, Renne, P.R. Black, L., Qu Xun and Mao Xiaodong. 2001. The Permian-Triassic Boundary & Mass Extinction in China. Episodes, Vol. 24, No. 4, 239-244.

Metcalfe, I. 2002. Permian tectonic framework and palaeogeography of SE Asia. Journal of Asian Earth Sciences 20, 551-566. PDF

Nicoll, R.S., Metcalfe, I. and Wang Cheng-Yuan. 2002. New species of the conodont Genus Hindeodus and the conodont biostratigraphy of the Permian-Triassic boundary interval. Journal of Asian Earth Sciences 20, 609-631. PDF

Metcalfe, I. 2002. Devonian and Carboniferous conodonts from the Kanthan Limestone, Peninsular Malaysia and their stratigraphic and tectonic implications. In: Hills, L.V., Henderson, C.M. and Bamber, E.W. (eds), The Carboniferous and Permian of the World. Canadian Society of Petroleum Geologists Memoir 19, 552-579.

Metcalfe, I. and Azhar haji Hussin. 2003. Implications of new biostratigraphic data for stratigraphic correlation of the Permian and Triassic in Peninsular Malaysia. Geloogical Society of Malaysia Bulletin 38, 173-177. (Note: This Bulletin carries a 1995 date but was actually only published in early 2003).

Metcalfe, I. 2003. Colour and textural alteration of Palaeozoic and Triassic conodonts from Peninsular Malaysia: implications for tectonic evolution and hydrocarbon generation. Courier Forschungsinstitut Senckenberg. 245, 261-280.

Metcalfe, I. 2003. Environmental Concerns for Bangladesh. South Asia 26, No. 3, 423-438.

Sone, M., Metcalfe, I. and Leman, M.S. 2003. Palaeobiogeographic implications of Middle Permian brachiopods from Johore (Peninsular Malaysia). Geological Magazine 140, 523-538.

Metcalfe, I. 2004. Comment on ''U-Pb calcite age of the Late Permian Castile Formation, Delaware Basin: a constraint on the age of the Permian-Triassic boundary (?)'' by M.L. Becker et al. [Earth Planet. Sci. Lett. 203 (2002) 681-689]. Earth Planet. Sci. Lett. 217, 465-468. PDF

Mundil, R., Ludwig, K.R., Metcalfe, I. and Renne, P.R. 2004. Age and Timing of the Permian Mass Extinctions: U/Pb Geochronology on Closed-System Zircons. Science, Vol. 305, 1760-1763.

Sone, M., Leman, M.S. and Metcalfe, I. 2004. Triassic nautiloid Sibyllonautilus from Gua Bama, Peninsular Malaysia and its regional stratigraphic implications. Alcheringa 28, 477-483.

Wakita, K. and Metcalfe, I. 2005. Ocean Plate Stratigraphy in East and Southeast Asia. Journal of Asian Earth Sciences 24, 679-702. PDF

Metcalfe, I. 2006 Palaeozoic and Mesozoic tectonic evolution and palaeogeography of East Asian crustal fragments: The Korean Peninsula in context. Gondwana Research 9, 24-46. PDF

Metcalfe, I. and Nicoll, R.S.  2007. Conodont biostratigraphic control on transitional marine to non-marine Permian-Triassic boundary sequences in Yunnan-Guizhou, China. Palaeogeogr. Palaeoclimatol. Palaeoecol. 252, 56-65.

Metcalfe, I., Nicoll, R.S. and Wardlaw, B.R. 2007. Conodont index fossil Hindeodus changxingensis Wang fingers greatest mass extinction event. Palaeoworld. 16, 202-207.

Metcalfe, I., Nicoll, R.S. and Willink, R.J. 2008. Conodonts from the Permian Triassic transition in Australia and position of the Permian-Triassic boundary. Australian Journal of Earth Sciences 55, 349 – 361.

Metcalfe, I. and Sone, M. 2008. Biostratigraphy and palaeobiogeography of Lower Permian (lower Kungurian) conodonts from the Tak Fa Formation (Saraburi Limestone), Thailand. Palaeogeography, Palaeoclimatology, Palaeoecology 257, 139-151. (available on-line through Science Direct)

Sone, M. and Metcalfe, I. 2008. Parallel Tethyan sutures in mainland SE Asia: New insights for Palaeo-Tethys closure. Compte Rendus Geoscience  340, 166-179.

Kaur, A. and Metcalfe, I. 2008. Introduction: Migration and Security: Political, Social and Economic Contexts of Migration. UNEAC Asia Papers No.21, 1-3. Published on-line at:

Glen, J. M.G., Nomade, S., Lyons, J. J., Metcalfe, I., Mundil, R., and  Renne, P.R. 2009. Magnetostratigrapic correlations of Permian-Triassic marine and terrestrial sediments from western China. Journal of Asian Earth Sciences [In Press]

Metcalfe, I., Foster, C.B., Afonin, S. A., Nicoll, R.S., Mundil, R., Wang Xiaofeng, & Lucas, S.G. 2008. Stratigraphy, biostratigraphy and C-isotopes of the Permian-Triassic non-marine sequence at Dalongkou and Lucaogou, Xinjiang Province, China. Journal of Asian Earth Sciences [In Press,  available on-line at doi:10.1016/j.jseaes.2008.06.005]

Metcalfe, I. 2009. Comment on “An alternative plate tectonic model for the Palaeozoic-Early Mesozoic Palaeotethyan evolution of Southeast Asia (Northern Thailand-Burma)” by O.M. Ferrari, C. Hochard & G.M. Stampfli, Tectonophysics 451, 346-365 (doi:10.1016/j.tecto.2007.11.065). Tectonophysics (In press, accepted January 2009).

 Gorter, J.D., Nicoll, R.S., Metcalfe, I., Willink, R.J. and Ferdinando, D. 2009. The Permian-Triassic boundary in western Australia: evidence from the Bonaparte and Northern Perth basins: exploration implications. Australian Petroleum Production & Exploration Association Journal [in press]

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