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
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 | |
Oscillatoriopsis cuboides n. sp., Oscillatoriopsis majuscula n. sp.
Oscillatoriopsis cuboides n. sp. Knoll et al. 1988
Oscillatoriopsis majuscula n. sp. Knoll et al. 1988 | |
Siphonophycus spp. Schopf 1968 | |
Eoastrion sp. Barghoorn 1965 | |
Huroniospora | |
Huroniospora spp. Barghoorn 1965 | |
Gunflintia minuta | |
Gunflintia minuta Barghoorn 1965 | |
Leptoteichos golubicii | |
? Leptoteichos golubicii Knoll et al. 1978 |