In parallel with the Company's efforts to recommence silver production at Twin Hills, Alcyone is also conducting an aggressive exploration program aimed at unlocking the broader exploration potential of the Texas Project for epithermal and massive sulphide base metal mineralisation, as well as to increase its existing inventory of heap leach silver resources.
A detailed review of part of the Company's 275 sq km tenement package has revealed a considerable number of targets. Of these, four priority base metal targets and two heap-leach style silver targets have already been confirmed from the reviews completed to date.
The successful delineation of these styles of mineralisation could open up the potential for significant new resource development opportunities in the Texas region alongside the heap leach silver operation.
Drilling will initially be targeted to verify and extend known copper and polymetallic mineralisation at the Harrier, Mt Gunyan and Silver Spur targets. Geophysics will be utilised to improve target definition at Tomcat, before moving on to drill out extensions to the known heap leach silver mineralisation at the Mt Gunyan and Twin Hills prospects.
Alcyone has completed a partial review of the available historical information from the tenements - including some limited drilling undertaken by the previous operator which returned significant results - and is currently integrating this with comprehensive structural and geological models that are being developed for the mineralisation at Texas.
The Company has initially identified geophysics - in particular Downhole Electromagnetics (DHEM) and 3D Electromagnetic (3DEM) surveys - as key targeting tools. Airborne geophysics is also being considered with a final decision on any work program and timing to be made in the third quarter 2010.
Alcyone has confirmed the presence of two distinct sedimentary sequences within the project area, the "Silver Spur Beds" and the underlying "Texas Beds". Both of these sequences host epithermal-style mineralisation (analogous to other known epithermal systems such as Cracow and Pajingo).
The Company's initial focus has been on the Silver Spur Beds where the epithermal-style mineralisation has been identified as occurring in veins and breccia zones within siliceous alteration and more structurally controlled massive sulphide zones. This model has been used to assist the Company to define a number of priority exploration targets.
Alcyone is also reviewing the potential to locate both the "source" of the mineralising fluids and sedimentary-hosted mineralisation in the style of SEDEX (SEDimentary EXhalative) and volcanogenic massive sulphides (VMS). The focus for this work will be directed towards the 'Texas Beds' and will form part of the next phases of the Company's exploration strategy.
The work undertaken to date on the Silver Spur Beds has resulted in the delineation of a number of initial key exploration targets and associated work programs which are summarised below.
Harrier
Mt Gunyan
Silver Spur
- 808,000 tonnes @ 3.56% Zn, 1.25% Pb, 70g/t Ag (Inferred) above 2% ZnEq cut-off (see Note 2)
- Historical records – previous mining 90-100,000 tonnes at 25% Zn, 13% Pb and 800g/t Ag
Tomcat
Mt Gunyan
Twin Hills
| Note 1: | Holes TUD002, TUD 001 and TUP7 were reported in an ASX announcement dated 30th September 2004 Hole MGD015 was reported in an ASX release dated 13th November 2007 |
| Note 2: | The Silver Spur Inferred Mineral Resource is that as previously reported to the ASX on the 14th July 2004 |