Located just 65km west of Launceston and 35km south of Devonport in northern Tasmania, the Firetower project consists of 62sq km of stratigraphically equivalent Mt. Read Volcanic Sequence rocks.
Firetower consists of two contiguous tenements with gold and copper targets over a 12km strike length throughout the area.
Its location provides excellent infrastructure and access to a skilled local labour force.
Work has encompassed airborne and ground geophysics, geological mapping, soil and rock chip sampling, precussion and diamond drilling.
Targets identified a mineralised system of approximately 6km strike length. Within this zone soil sampling returned highs of 4.45g/t and 4.25g/t Au, while rock chip samples returned highs of 30.1g/t, 14.2g/t and 11.2g/t Au.
Greatland Gold has carried out 2,340m of diamond drilling and 1,100m of precussion drilling in the target area. 2,500m of historic drilling was completed by Noranda Pty Ltd (now Xstrata) during 1990, Plutonic Operations Ltd in 1992, AurionGold Ltd (now Barrick Gold) in 2002.
Drilling has not yet exceeded 100m depth and covers only a small portion of the targeted 6km strike length area. The 400m x 80m zone of gold mineralization identified to date is open in all directions.
Recent and historic drill highlights include:
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Geophysics and early ground reconnaissance has identified over 40km of strike to the east and west of the drilled area with potential for gold and copper deposits. These are yet to be fully tested and systematic exploration over these areas is on-going
Firetower hosts Fossey Mountain Trough sedimentary and volcaniclastic rocks which are stratigraphically equivalent to the Mt. Read Volcanic sequence (MRVS). MRVS is a highly mineralised system and hosts world class base metal (VHMS) deposits such as:
- Mt. Lyell 311Mt @ 0.97% Cu & 0.31g/t Au
- Hellyer-Fossey 16.5Mt @ 13.9% Zn, 7.2% Pb & 2.55g/t Au
- Rosebery 32.7Mt @ 0.59% Cu, 14.6% Zn, 4.5% Pb & 2.3g/t Au
- Henty gold deposit 2.83Mt @ 12.5g/t Au (+1mil oz Au)
Gold mineralisation is associated with widespread alteration of volcaniclastic rocks, within stockworks of fine quartz-carbonate veining & sulphide content, including chalcopyrite, of 2-5% with highs of 30%. Alteration is dominated by silica, carbonate and pyrite.
Local infrastructure is good with sealed and formed roads, power, water, accommodation, communications and numerous regional supply points. A skilled local workforce is accessible from the many nearby regional centres.