Located 25km by road to the nearest railhead and 130km by road to the Port of Luleå, the Raitajärvi graphite project has a has a total JORC 2004 resource of 4.3Mt at 7.1% graphite. Raitajärvi has been declared an area of national interest by the Swedish Geological Survey.
Raitajärvi Graphite Project – JORC (2004)
Graphite was initially identified at Raitajärvi in the late 1800s. The Swedish Geological Survey undertook ground based geophysics in 1974 and 1978, defining three parallel stratigraphic conductors within a 6km x 1.5km area. Between 1989 and 1992 the SGU completed 20 diamond drill holes for 1242m and 5 trenches for 803m and outlined an initial coarse flake graphite (non-JORC) resource of 0.6Mt @ 8.9% graphite ("Cg").
During March-April 2013 Talga undertook a diamond drilling program at Raitajärvi, drilling 28 holes for 3,666m. This led to the calculation of a new 2004 JORC compliant resource of 4.3Mt @ 7.1% Cg, with 3.4Mt @ 7.3% Cg classified Indicated (ASX:TLG 26 August 2013), using a 5% graphite cut off grade.
Thin section analysis of 87 samples (from both drill core and trenched material) by the SGU identified a high proportion of coarse flake present at Raitajärvi, with 87% of graphite flakes greater than 100 microns (µm), and 49% greater than 200 µm.
Historical metallurgical test work produced excellent results, with graphite concentrates grading 90-94% C from simple (unoptimised) flotation and 99% C in a basic enrichment test. It was also noted the overall characteristics were similar to that of the Kringel graphite deposit, currently undergoing refurbishment to production at the Woxna mine in southern Sweden.