Adjacent to Duck Creek Station road (Orosirian of Australia)

Where: Western Australia, Australia (22.5° S, 116.5° E: paleocoordinates 0.0° N, 0.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Duck Creek Dolomite Formation (Wyloo Group), Orosirian (2050.0 - 1800.0 Ma)

• The age of the Duck Creek Dolomite is constrained U/Pb dates on overlying June Hill Volcanics of 1806±9 Ma (Nelson, 2003), 1799±8 Ma (Evans et al., 2003), and 1795±7 Ma (Wilson et al., 2010)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified, ferruginous, cherty/siliceous dolomite

• "Shallow marine environment, below the zone of wave action" according to Knoll & Barghoorn (1976), and "basinal facies" in Wilson et al. (2010).

Size class: microfossils

Preservation: permineralized, original carbon, replaced with silica

Collected by E. S. Barghoorn, P. K. Strother, C. Lenk in 1981

Collection methods: peel or thin section

• Repository: Commonwealth Palaeontology Collection, Canberra

Primary reference: A. H. Knoll, P. K. Strother, and S. Rossi. 1988. Distribution and diagenesis of microfossils from the lower Proterozoic Duck Creek Dolomite, Western Australia. Precambrian Research 38:257-279 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 227622: authorized by Matthew Clapham, entered by Matthew Clapham on 22.10.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Hormogoneae
 Oscillatoriales - Oscillatoriaceae
Oscillatoriopsis cuboides n. sp. Knoll et al. 1988
Oscillatoriopsis majuscula n. sp. Knoll et al. 1988
  -
Siphonophycus spp. Schopf 1968
 Life -
Eoastrion sp. Barghoorn 1965
Huroniospora
  -
Huroniospora spp. Barghoorn 1965
Gunflintia minuta
  -
Gunflintia minuta Barghoorn 1965
Leptoteichos golubicii
  -
? Leptoteichos golubicii Knoll et al. 1978