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    Hieger, Timothy J. Serbet, Rudolph Harper, Carla J. Taylor, Thomas N. Taylor, Edith L. and Gulbranson, Erik L. 2015. Cheirolepidiaceous diversity: An anatomically preserved pollen cone from the Lower Jurassic of southern Victoria Land, Antarctica. Review of Palaeobotany and Palynology, Vol. 220, p. 78.


    Nagalingum, Nathalie S. and Cantrill, David J. 2015. The Albian fern flora of Alexander Island, Antarctica. Cretaceous Research, Vol. 55, p. 303.


    Morel, Eduardo M. Ganuza, Daniel G. Artabe, Analía E. and Spalletti, Luis A. 2013. Revisión De La Paleoflora De La Formación Nestares (Jurásico Temprano), Provincias Del Neuquén y Río Negro, Argentina. Ameghiniana, Vol. 50, Issue. 5, p. 493.


    Jansson, I.-M. McLoughlin, S. Vajda, V. and Pole, M. 2008. An Early Jurassic flora from the Clarence-Moreton Basin, Australia. Review of Palaeobotany and Palynology, Vol. 150, Issue. 1-4, p. 5.


    Taylor, Edith L. Taylor, Thomas N. Kerp, Hans and Hermsen, Elizabeth J. 2006. Mesozoic seed ferns: Old paradigms, new discoveries1. The Journal of the Torrey Botanical Society, Vol. 133, Issue. 1, p. 62.


    Cantrill, David J. and Hunter, Morag A. 2005. Macrofossil floras of the Latady Basin, Antarctic Peninsula. New Zealand Journal of Geology and Geophysics, Vol. 48, Issue. 3, p. 537.


    Willan, Robert C.R. and Hunter, Morag A. 2005. Basin evolution during the transition from continental rifting to subduction: Evidence from the lithofacies and modal petrology of the Jurassic Latady Group, Antarctic Peninsula. Journal of South American Earth Sciences, Vol. 20, Issue. 3, p. 171.


    Thomson, M.R.A. 2004. Geological and palaeoenvironmental history of the Scotia Sea region as a basis for biological interpretation. Deep Sea Research Part II: Topical Studies in Oceanography, Vol. 51, Issue. 14-16, p. 1467.


    Francis, Jane E and Poole, Imogen 2002. Cretaceous and early Tertiary climates of Antarctica: evidence from fossil wood. Palaeogeography, Palaeoclimatology, Palaeoecology, Vol. 182, Issue. 1-2, p. 47.


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A new macroflora from the South Orkney Islands, Antarctica: evidence of an Early to Middle Jurassic age for the Powell Island Conglomerate

  • David J. Cantrill (a1)
  • DOI: http://dx.doi.org/10.1017/S0954102000000249
  • Published online: 01 May 2004
Abstract

A macroflora from John Peaks, Powell Island, contains Sagenopteris nilssoniana, Cladophlebis oblonga, Brachyphyllum sp., Elatocladus confertus, and Sphenopteris sp. The macroflora is best correlated with the Botany Bay Group flora, suggesting an Early to Middle Jurassic age for the Powell Island Conglomerate. This age supports new interpretations for the geological evolution of the Antarctic Peninsula that suggest the initial phase of Gondwana break-up was manifested as small rift grabens with continental deposits.

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Antarctic Science
  • ISSN: 0954-1020
  • EISSN: 1365-2079
  • URL: /core/journals/antarctic-science
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