Substantial cobalt project holding
All of Archer's cobalt projects are 100% owned by the Company.
Ketchowla Cobalt Manganese Project
The Ketchowla Cobalt Manganese Project, is located north of Burra, South Australia. Ketchowla is a cobalt and manganese project which includes the K1 Prospect (centred around the historic small Ketchowla Mine) and numerous outstanding exploration targets and prospects, including the K2 to K9 prospects. The standard gauge east-west Trans Australian Railway line is located 35km north of the main project area. Established electricity and water infrastructure is also within close proximity.
Rock chip sampling by Archer at K1 and K2 has reported grades of up to up to 0.64% cobalt and >50% manganese.
Shallow reconnaissance RC drilling by Archer at Ketchowla has intercepted cobalt and manganese mineralisation from near surface.
Simple beneficiation and acid leach test work done by Archer showed that cobalt and manganese could be easily upgraded using simple heavy media separation.
North Broken Hill Cobalt Project
The North Broken Hill Cobalt Project, is located 20km north of Broken Hill, NSW and along strike from Cobalt Blue's Thackaringa Project cobalt JORC resource. At North Broken Hill, Archer has discovered two discrete styles of cobalt mineralisation: pyrite hosted Thackaringa Style (same style that hosts the Thackaringa Project) and the copper hosted Sisters Style.
Archer has discovered four discrete cobalt prospects and three copper prospects within the larger North Broken Hill Project area. The four cobalt prospects are: Yancowinna which has been mapped over a strike length of 1.5km and up to 0.13% (1,300 ppm) cobalt; Himalaya with a strike length of 3km and up to 0.16% (1,600ppm) cobalt; Golden King West which has grades of up to 0.15% (1,500ppm) cobalt and a strike length of 300m and finally the Purnamoota prospect with a strike length of 1km and up to 0.14% (1,400ppm) cobalt.
The Yarcowie Project is located approximately 20km east of the Tesla 100MW battery array at Jamestown, South Australia. The Yarcowie tenement area crosses the Barrier Highway and is within close proximity to existing rail, power, gas and other significant infrastructure.
Reconnaissance rock ship sampling by Archer has identified extensive cobalt mineralisation over an initial area 1km long x 500m wide with high grades ranging from 0.36% (3,600ppm) to 0.94% (9,400ppm) cobalt. The cobalt mineralisation disappears under shallow cover and appears to be open along strike in both directions.
Polinga Cobalt Project
The tenement area abuts Archer owned farm land near Cleve, Eyre Peninsula, South Australia. Exploration efforts and drilling by other explorers was primarily focussed on the discovery of zinc and nickel deposits with no assaying for cobalt. Archer recovered sample pulps (remnant material from the assay process) and submitted available intervals for assay. Subsequent assay results received by Archer include a significant average cobalt grade of 0.2% Co (hole CBAC034) over a broad 8m downhole intercept (from 30 to 38m).