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Palaeoecology of the Early Permian strata at Heimefrontfjella, Dronning Maud Land, Antarctica

Published online by Cambridge University Press:  12 May 2004

Dorothy Guy-Ohlson  and
Sofie Lindström
Dorothy Guy-Ohlson
Affiliation:
Swedish Museum of Natural History, Box 50007, S-104 0 Stockholm, Sweden
Sofie Lindström
Affiliation:
Division of Historical Geology and Palaeontology, University of Lund, Sölvegatan 13, S-223 62 Lund, Sweden
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Abstract

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Palaeopalynological studies form an integral part of the geological investigation of the Late Paleozoic sedimentary history of Dronning Maud Land. During the examination of organic residues prepared from different localities at Heimefrontfjella, the freshwater green alga Botryococcus was found. Exceptionally well-preserved colonies of Botryococcus were recorded in several samples at two sections of Early Permian age, Lidkvarvet and Locality A. These colonies vary in form and stage of development. By analogy with observations on recent material the following palaeoecological conclusions are drawn: 1) varying environmental and climatic conditions over a length of time existed at Lidkvarvet, and 2) very short ephemeral aquatic conditions existed intermittently at Locality A.

Keywords

AntarcticaHeimefrontfjellaEarly PermianpalaeoecologyBotryococcus
Type
Papers—Earth Sciences and Glaciology
Information
Antarctic Science , Volume 6 , Issue 4 , December 1994 , pp. 507 - 515
Copyright
© Antarctic Science Ltd 1994