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K. Cotter (1999)

Microfossils from Neoproterozoic Supersequence 1 of the Officer Basin, Western Australia

Alcheringa, 23(1-2):63-86.

The discovery of a rich assemblage of microfossils from the Neoproterozoic western Officer Basin (Centralian Superbasin) provides a more complete understanding of the biostratigraphy of this Basin. The microfossils are found in Supersequence 1 (similar to 800 Ma) in Western Australia. The assemblages are comprised of acritarchs and cyanobacteria isolated by acid maceration from siliciclastics of the Browne (Madley), Hussar, Kanpa and Steptoe Formations. The distinctive acritarchs Cerebrosphaera buickii, Satka colonialica, Stictosphaeridium sinapticuliferum and Pterospermopsimorpha insolita are of particular interest in the Neoproterozoic. These taxa are found in similar depositional environments in Spitsbergen, Arizona, Canada and Siberia. This evidence, together with lithostratographic correlations, isotope chemostratigraphy, and sequence analysis contributes to the continuing development of Neoproterozoic stratigraphy.

Supersequence 1, cyanobacteria, biostratigraphy, Western Australia, svalbard, Officer Basin, stratigraphy, Neoproterozoic, microbiotas, ussr, micro-fossils, draken conglomerate, acritarchs
WOS:000080243800007
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