Nobbys Tuff Explained

Nobbys Tuff
Period:	Wuchiapingian
Age:	Wuchiapingian
Type:	Geological formation
Thickness:	up to 25m (82feet)
Region:	Lachlan Orogen
Namedfor:	Nobbys Head

Nobbys Tuff is a geologic formation in eastern Australia. Found in Newcastle within the Lachlan Orogen, this stratum is up to 25 metres thick. Formed from volcanic ash in an eruption in the Wuchiapingian age, in the late Permian around 255.02 Ma. This formation includes tuff, tuffaceous sandstone, tuffaceous siltstone, claystone, and chert. Often noticed at Nobbys Head in Newcastle.^{[1] [2]}

See also

• Newcastle Coal Measures
• Lachlan Orogen

Notes and References

1. Web site: Geology of the Newcastle coastline, New South Wales. Resources and Geo Science Australia. New South Wales Government. January 20, 2020.
2. Web site: Nobbys Tuff. Geo Science Australia - Australian Stratigraphic Units Database. Australian Government. November 13, 2020.