Jurassic quartzose sandstone associated with the Tiaro Coal Measure in South-east Queensland.
The Tiaro Coal Measure in South-east Queensland which also includes lithofeldspathic labile and sublabile to quartzose sandstone, siltstone, shale, coal, ferruginous oolite marker is currently being explored for a commercial coal operation.
Images are examples of specimens only. Size and shape may vary.
Specimens are usually no smaller than 75mm in one dimension.