Overview
| Stage | Production |
| Mine Type | Open Pit / Underground |
| Commodities |
|
| Mining Method |
- Narrow reef drill & blast
- Paste backfill
|
| Processing |
|
Morning Star is a historic underground gold mine.
AuStar Gold acquired Morning Star Gold NL (MCO) in 2015, including the Morning Star mine and a large tenement holding with numerous other historic mines. At the time of acquisition, the Morning Star mine had been fully refurbished.
Morning Star mining operations recommenced January 2019 and recommissioning of Mill in February 2019. |
Source:
p. 35
| Company | Interest | Ownership |
|
AuStar Gold Ltd.
|
95 %
|
Indirect
|
|
Morning Star Gold NL
|
100 %
|
Direct
|
Morning Star is 100% owned by Morning Star Gold NL. in turn held 95% by AuStar Gold Limited.
Summary:
The mine exploits narrow quartz veins with deposits hosted in a diorite dyke that is 700m long by 120m wide. The quartz veins are stacked and range from 50 mm to 2m thick. Historic workings continue underground for 815m below the surface, to 25 Level, and the dyke remains open at depth.
Mining Methods
- Narrow reef drill & blast
- Paste backfill
Summary:
An existing paste plant attached to the gravity process plant for environmentally-friendly inmine disposal of tailings.
Flow Sheet:
Summary:
Gold at Morning Star is predominately free milling, with the remainder being as a high grade concentrate from a simple gravity processing facility. The gravity process plant is located centrally and is the only plant in the region.
MCO recently constructed a new 80,000 tonne per annum processing plant and associated paste backfill facility.
Operational Metrics:
| Metrics | 2018 |
|
Annual processing capacity
| ......  |
^ Guidance / Forecast.
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Reserves at August 14, 2015:
| Category | OreType | Tonnage | Commodity | Grade | Contained Metal |
|
Measured
|
In-Situ (OP)
|
736 kt
|
Gold
|
2 g/t
|
47 koz
|
|
Measured
|
In-Situ (UG)
|
22 kt
|
Gold
|
20.9 g/t
|
15 koz
|
|
Indicated
|
In-Situ (OP)
|
793 kt
|
Gold
|
2.2 g/t
|
56 koz
|
|
Indicated
|
In-Situ (UG)
|
259 kt
|
Gold
|
15.6 g/t
|
130 koz
|
|
Inferred
|
In-Situ (OP)
|
1,079 kt
|
Gold
|
2.3 g/t
|
80 koz
|
|
Inferred
|
In-Situ (UG)
|
1,734 kt
|
Gold
|
10.4 g/t
|
582 koz
|
|
Total Resource
|
In-Situ (OP)
|
2,608 kt
|
Gold
|
2.2 g/t
|
184 koz
|
|
Total Resource
|
In-Situ (UG)
|
2,015 kt
|
Gold
|
11.2 g/t
|
726 koz
|
Mine Management:
| Job Title | Name | Profile | Ref. Date |
.......................
|
.......................
|
|
Jul 2, 2019
|
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Aerial view:
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