Mesa A / Warramboo

Location	60 kilometres west of Pannawonica; 165 kilometres south of Karratha
Operation	Open pit operation with site-based processing facilities
Working arrangements	Fly-in / fly-out roster
Capacity	25 million tonnes per annum
Products	Robe Valley pisolite ore
Geology	Channel Iron Deposit
First year of operation	2010
Ownership	Mesa A is owned by Robe River Iron Associates of which Rio Tinto has a 53 per cent operating interest.
Assets	Dozers: • D10T • D11T • WD900 Dump Trucks: • Cat 789C Excavators: • Hitachi EX3600 excavator Graders: • Cat 24H • Cat 16M Loaders: • 994F • 980H • 950H • IT930G Water Trucks: • Cat 777F Drills • DML
Local government	Shire of Ashburton: http://www.ashburton.wa.gov.au/