Mount Isa in Queensland's outback, is well know for its mineral wealth in the form of Copper, Lead, Zinc, Gold, Uranium etc. The Upper Kennedy Siltstone of Mount Isa, Queensland located west of town near the Mount Isa Mine. This unit is a buff-khaki colored siliceous siltstone with large conical-circular shapes defined by lines (liesegang rings). Certain bedding planes contain 10-30 cm conical/dome shape stromatolites. Pictured above is possibly a stromatolite.
