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Permian sedimentary rocks also occur in several graben structures under the Murray Basin in northern Victoria (Netherby and Wentworth troughs in the northwest, Numurka Trough and Ovens Graben in the north).
Australia lay beneath an ice cap at the start of the Permian and Victoria was swathed in a slow-moving ice-sheet. As the ice retreated, forests developed with Glossopteris (seed ferns), tree-ferns, club-mosses and horsetails.
Throughout the Permian (299 – 251 Ma) Victoria was covered by a giant glacier which moved slowly North bringing rocks from Antarctica, with relatively few rocks from this time preserved at Bacchus Marsh and Werribee Gorge and, Lake Eppalock in Victoria.
Jul 31, 2008 · As the Late Palaeozoic continental ice sheet covering most of Victoria retreated in the late Sakmarian, the inland sea along its northern margin expanded southwards into central Victoria to...
Jul 31, 2008 · An unusual sediment accumulation in the glaciogene Permian near Bacchus Marsh, Victoria, is interpreted as representing the development and infilling of a subglacial channel.
- Roger Pierson
The focus of most Victorian Permian studies has been the continental glacial sediments, but the volumetrically minor glaciomarine strata in central Victoria are worthy of attention, because...
May 1, 2024 · A multianalytical study involving detrital geochronology (zircon UPb), mineral chemistry of garnets and white micas, and coupled with sandstone petrology literature data, has been conducted in the Permian-Triassic sequence of the Victoria Group in the Allan Hills, providing new and original data from Gondwana sequences in southern Victoria Land.
