Deposit Synonyms Rl 99 Mineral District Leigh Creek-Willouran Magnesite Deposit Summary >45 magnesite beds over 7 km of strike, thickness to 1m. Resource for Termination Hill deposit ~29Mt @ 42.8%MgO. Deposit Description TERMINATION HILL, magnesite deposit with as many as forty high-grade magnesite beds extended over a strike length of 7 km, and ranged in thickness up to 1 m. The beds dipped 70 W, and at the southern end of the outcrop were folded to trend to the southwest, probably as a result of tectonic movements associated with the Termination Hill diapir. On the basis of surface and downhole sample measurements and analyses the total magnesite resource within Termination Hill was estimated at 29 million tonnes grading 42.8% MgO. Discovery Year ? 1998 Commodities Magnesite, Magnesium Oxide Ore Minerals Magnesite Gangue Minerals

Datum GDA2020 Coordinate Source Digital Image MGA Easting 213571.01 MGA Northing 6652581.51 MGA Zone 54 Long Degrees 138 Long Minutes 1 Long Seconds 26.953 S Lat Degrees 30 S Lat Minutes 13 S Lat Seconds 28.518 Long Degrees Decimal 138.0241536 Lat Degrees Decimal -30.2245884 Horizontal Accuracy 20 Map 250K SH5409 COPLEY Map 100K 6537 Leigh Creek Map 50K 4 SA Geodata - Database Reference Site No 1376170

Geological Province ? Adelaide Rift Complex Geological Setting surface outcrop Regional Geological Controls stratigraphic - magnesite beds of Skillogalee Dolomite within depocentre of the northern Adleaide Geosyncline. Local Ore Control Lithological-non specific Relationship to Host Rock Concordant