Peri-gondwanan permian correlations : the meso-tethyan margins

Archbold, Neil 2002, Peri-gondwanan permian correlations : the meso-tethyan margins. In Keep, M and Moss, S (ed), Sedimentary basins of Western Australia 3 : proceedings of the petroleum exploration society of Australia symposium, Perth, WA, 2002, PESA, Perth, W.A., pp.223-236.

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Title Peri-gondwanan permian correlations : the meso-tethyan margins
Author(s) Archbold, Neil
Title of book Sedimentary basins of Western Australia 3 : proceedings of the petroleum exploration society of Australia symposium, Perth, WA, 2002
Editor(s) Keep, M
Moss, S
Publication date 2002
Chapter number 9
Total chapters 55
Start page 223
End page 236
Total pages 14
Publisher PESA
Place of Publication Perth, W.A.
Summary Correlations of the Permian sequences for sixteen regions of north eastern Gondwana during the Permian are presented in this review. These correlations are compared with Permian sequences of the Australian continent. Broad conclusions on palaeoclimatic change and tectonic events are summarised for six time intervals of the Permian Period.

The Asselian-Sakmarian-early Artinskian time interval indicates a change from cold to temperate depositional environments. Glacial deposits and low diversity Gondwanan marine faunas are succeeded by younger, warmer water, clastic and bioclastic sequences with moderately diverse marine faunas. Deposition of these sequences is occasionally associated with basaltic volcanism and initial rifting of the peripheral northern Gondwanan margin.

During the Late Artinskian-Kungurian (including Early Ufimian) time interval, climate amelioration occurred with the onset of carbonate deposition in several Cimmerian terranes. Basaltic volcanism in several terranes is indicative of significant rifting and the opening of the Meso-Tethys.

The Roadian (Late Ufimian) and Wordian-Capitanian (including Kazanian-Midian) time intervals were characterised by widespread, subtropical, marine carbonate depositional sequences. These occurred throughout the Cimmerian blocks as they drifted northward and on the more northerly parts of the Meso-Tethyan southern margin. These transgressive sequences may rest on significant unconformity surfaces. Equivalent carbonate units are known in the offshore and subsurface sequences of western Australia. Andesitic, convergent plate margin volcanism and volcaniclastic sequences are present in eastern Australia.

The Wuchiapingian time slice is characterised by widespread marine transgressions which extended into the north western basins of Australia.

The Changhsingian time slice is represented by relatively minor marine transgressive events in the Trans-Himalaya with the Selong section of Tibet being probably the most complete Permo-Triassic sequence for the southern margin of the Meso-Tethys.

ISBN 0958844038
Language eng
Field of Research 040311 Stratigraphy (incl Biostratigraphy and Sequence Stratigraphy)
HERDC Research category B1 Book chapter
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