Gippsland’s 100% owned subsidiary Adobha Resources (Eritrea) Pty Ltd has been granted two Exploration Licences totalling 2,200km2 in the highly prospective north-western part of Eritrea. The Adobha region is situated in the Precambrian Nubian-Arabian Shield that includes the 9.1Moz (Reserve) Sukari gold deposit plus Gippsland's world class 142.4 million tonne JORC Compliant Abu Dabbab-Nuweibi tantalum-tin deposits.
The Licenses cover 2,200km2 of a highly mineral endowed region that is regarded as very prospective for volcanogenic massive sulphide (VMS) mineralisation and structurally controlled gold mineralisation. Local examples of these types of deposits are the Bisha base metal deposit (1.44 million ounce gold and 0.39 million tonne copper) located some 174 km to the south and the 0.84 million ounce Zara gold project (Koka deposit) located only 16 km to the south of the Company's most southern Licence.
In September 2011, the Company completed a 5,161 line-kilometre airborne geophysical survey over the Adobha and Gerasi South licence areas in Northern Eritrea. The airborne geophysical survey covered 19 target areas selected on the basis of Thematic Mapper (TM) anomalies, geological targets, and geochemical anomalies identified during geochemical surveys by Gippsland completed during late October to early Novemb er 2009, May 2010 and July 2011.
The survey was flown by Geotech Airborne Limited using a Versatile Time Domain Electro Magnetic system (VTEM) at a line spacing of 200m with a nominal height of 80-120m determined by the topography. Aeromagnetic data was also acquired as part of the survey.
Interpretation of the preliminary data by the Company's consultant geophysicist has identified 16 electromagnetic (EM) anomalies which have been ranked on the basis of their EM response (intensity and decay rate), geological setting, proximity to TM anomalies and presence of coincident geochemical anomalies.
During May 2010, exploration follow-up of anomalous drainage geochemical results located visible copper in the form of malachite (copper carbonate) in the drainage channels and bedrock in two of the target areas (E21 and E26). Discontinuous copper mineralisation was located over an area of 520m x 390m up to a maximum value of 10.63% Cu.
Systematic rock-chip sampling along profiles revealed a best intersection of 10m at 0.29% Cu.
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Nubian-Arabian Shields |
Adobha Project area |
Adobha Project tenements |
Tenements granted:
Former Director J.Telford,
HE The Minister Ahmed Haj Ali,
Dir Gen Alem Kibreab |
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Adobha main street where Gippsland has established a field camp |
Gazelles are common in the project area |
Copper carbonate (Malachite) in bedrock |
Geochemical sampling team with helicopter support |