Tertiary deep lead deposits, Moina Area

Tertiary deep lead deposits in the Iris-Lea River Valley and the Basalt-Bell Creek Valley are described. Sediments total 280 in thickness, have an upper layer of grey billy, and are capped by basalt and basaltic breccia. The bottom of the leads lies at up to 150 below the level of the present drainage and a reversal of drainage direction may have taken place.