Exploration Overview
Silver Lake's Mount Monger project area represents a contiguous lease package covering approximately 10 strike km of highly prospective greenstone stratigraphy. The Mount Monger goldfield consists of dozens of historic workings on several lines of mineralisation, most of which have not been sufficiently explored, particularly at depth. Importantly, many of these workings are in very close proximity to Daisy Milano mine, which presents an opportunity to exploit neighboring lodes via the current mine infrastructure.
Until recently, ownership of tenements over the Mount Monger goldfield has been fragmented, and divided between multiple owners. As a result, it has not been possible to implement a consolidated, holistic approach to regional exploration. Now that Silver Lake has single ownership the full potential of this highly prospective 10 km of strike can now be realised.
Despite the lack of a consolidated approach to date, past explorers have noted the potential for multiple open cut and underground deposits within the project area. Silver Lake commenced its exploration programme in January 2008 targeting 2.5 Moz Au in resource.
Underground drilling programmes are targeting the recent discoveries of Daisy East, Emma and Rosemary extension. Daisy Deeps drilling is targeting an increase in the Daisy Milano mine life beyond the current projection of five years.
Figure 1Lines of LodeClick image to enlarge
Figure 2Mount Monger Target ZonesClick image to enlarge
Near Mine Exploration
Daisy Deeps
The area within the Daisy Milano mineralised system below 500 Vertical metres from the surface is referred to as Daisy Deeps. The underground drilling programme is designed to firm up the mineralisation down to 800 vertical metres below the surface which could significantly increase the resource and further increase the projected mine life of five years.
Encouraging results have been returned to date all containing multiple high grade intercepts with varying grades and widths typically seen in the Daisy Milano mineralised system. Development has been completedd to an optimal drilling position and drilling has commenced down to the 800 vertical metre horizon (refer to figure 3)
Figure 3Daisy DeepsClick image to enlarge
Daisy East, Emma & Rosemary Extension
Underground drilling is targeting the new discoveries of Daisy East, Emma and Rosemary extension that are located 40 metres, 70 metres and 120 metres respectively to the east of Daisy Milano (refer to figure 4).
Drilling to date at Daisy East has increased the defined mineralised structure from 40 vertical metres to ~100 vertical metres and is open along strike and up and down dip. Approximately 110 metres of ore development has been completed on the Daisy East structure and continues to yield mined grades of ~10 g/t Au.
Figure 4Schematic view DaisyMilano,Daisy East, Emma and RosemaryClick image to enlarge
Lorna Doone, Costello and Magic
The resources at Magic, Lorna Doone and Costello have open cut potential and are located at the southern end of the Mount Monger tenements. Lorna Doone is presently subject to a mining feasibility study.
Measured Resources | Indicated Resources | Inferred Resources | Total Resources | |||||||||
Deposit | Ore | Grade | Total | Ore | Grade | Total | Ore | Grade | Total | Ore | Grade | Total |
| Costello | - | - | - | 115.0 | 3.3 | 12.2 | 128.2 | 3.1 | 12.8 | 243.2 | 3.2 | 25.0 |
| Lorna Doone | - | - | - | - | - | - | 111.0 | 4.0 | 14.3 | 111.0 | 4.0 | 14.3 |
| Magic | - | - | - | 283.8 | 4.4 | 39.7 | 807.2 | 4.4 | 113.2 | 1,091.0 | 4.4 | 152.8 |
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