Hitta hit:
T-bana: Universitetet
Frescativägen 40

Ordinarie öppettider:
Tisdag–fredag 11–17
Lördag–söndag 10–18

  • Huvudmeny
PERMIAN PLANTS OF AUSTRALIA

Assemblages: Dunedoo Formation: Nott's quarry (Cobbora) Flora

Specimens by taxa
Taxa recorded

Nott´s Quarry is located near Cobbora, 16 km southwest of Dunedoo. Fossils from this site are widely held in museum and private collections and are commonly labelled as derived from “Dunedoo". The quarry exposes beds at the top of the Dunedoo Formation, a stratigraphic equivalent of the Illawarra Coal Measures. The conglomerate overlying the Glossopteris-bearing beds in the quarry is the basal unit of the Triassic Wollar Sandstone. The quarry´s Glossopteris-bearing beds, are thus of latest Permian age.

The fossil plant assemblage from this site includes various Glossopteris species, glossopterid fructifications (Austroglossa walkomii), glossopterid roots (Vertebraria indica), equisetaleans (e.g. Phyllotheca australis), ferns (e.g. Neomariopteris polymorpha), and the enigmatic pinnate reticulate-leafed gymnosperm Dunedoonia reticulata (Holmes 1977). Fossils from this quarry are commonly stained distinctive yellow, golden brown or red colours contrasting with a cream-coloured rock matrix. Fossils from this site have been widely traded and can be found for sale in rock shops all over the world. NRM has a small collection of impression fossils from this locality collected by B. Lundblad in 1981.

References

Holmes, W.B.K., 1977. A pinnate leaf with reticulate venation from the Permian of New South Wales. Proceedings of the Linnean Society of N.S.W. 102, 52—57.

Distribution of Permian sedimentary basins in Australia, with the Nott´s Quarry highlighted.