Overview
| Stage | Production |
| Mine Type | Open Pit / Underground |
| Commodities |
|
| Mining Method |
|
| Processing |
- Gravity separation
- Agitated tank leaching
- Carbon in leach (CIL)
- Cyanide (reagent)
|
| Mine Life | 10 years (as of Jan 1, 2018) |
| Latest News | GR Engineering wins Saracen contract at Carosue Dam August 21, 2018 |
Source:
p. 6
Saracen Mineral Holdings Limited owns 100% of the Carosue Dam Operations (CDO) through its wholly owned subsidiary Saracen Gold Mines Pty Ltd.
Summary:
The deposit itself is lithologically and structurally controlled and sits within an altered volcaniclastic sandstone unit that has been offset along a series of major faults running NE-SW and NW-SE, as well as intruded by large lamprophyre units post mineralization. Mineralization is dominated by pyrite and hosted in broad hematite altered sandstone units with a central high grade siliceous core light-moderately dipping to the North.
Summary:
Current mining methods employed at Carosue Dam Operations utilize long hole open stoping.
Processing Technologies
- Gravity separation
- Agitated tank leaching
- Carbon in leach (CIL)
- Cyanide (reagent)
Source:
Summary:
The ore reserve will be treated at the established Carosue Dam processing facility. The Carosue Dam Process Plant is a CIL cyanide leach plant incorporating a gravity circuit which is appropriate for the extraction of gold from free milling gold ores.
Recoveries & Grades:
| Commodity | Parameter | 2019 | 2018 | 2017 | 2016 |
|
Gold
|
Recovery Rate, %
| ......  | ...... | ...... | ...... |
|
Gold
|
Head Grade, g/t
| 2.7 | 2.3 | 2.14 | 2.3 |
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Reserves at June 30, 2019:
| Category | Tonnage | Commodity | Grade | Contained Metal |
|
Proven
|
1,200,000 t
|
Gold
|
1.2 g/t
|
45,000 oz
|
|
Probable
|
22,000,000 t
|
Gold
|
2.5 g/t
|
1,800,000 oz
|
|
Proven & Probable
|
24,000,000 t
|
Gold
|
2.3 g/t
|
1,800,000 oz
|
|
Measured
|
8,300,000 t
|
Gold
|
2.5 g/t
|
670,000 oz
|
|
Indicated
|
49,000,000 t
|
Gold
|
2 g/t
|
3,200,000 oz
|
|
Inferred
|
25,000,000 t
|
Gold
|
1.9 g/t
|
1,500,000 oz
|
|
Total Resource
|
82,000,000 t
|
Gold
|
2 g/t
|
5,400,000 oz
|
Commodity Production Costs:
| | Commodity | Units | 2019 | 2018 | 2017 | 2016 |
|
All-in sustaining costs (AISC)
|
Gold
|
AUD
|
......
|
......
|
1,413 / oz
|
1,067 / oz
|
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Financials:
| | Units | 2019 | 2018 |
|
Revenue
|
M AUD
| ...... | ...... |
|
Pre-tax Income
|
M AUD
| ...... | ...... |
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Corporate Filings & Presentations:
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News:
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