Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
|
| Mining Method |
|
| Production Start | ...  |
| Mine Life | 8 years (as of Jan 1, 2016) |
On July 1, 2019, Long Canyon was contributed to Nevada Gold Mines, a joint venture between Barrick (61.5%) and Newmont (38.5%).
Mining of Phase 1 at Long Canyon is scheduled to be completed early in the second quarter of 2022, with residual production to follow for the remainder of 2022. The focus at Long Canyon is now shifting to permitting Phase 2, which is expected to begin production in 2026. |
Source:
p. 72
On March 10, 2019, Barrick entered into an implementation agreement with Newmont to create a joint venture, named Nevada Gold Mines.
On July 1, 2019, Long Canyon was contributed to Nevada Gold Mines, a joint venture between Barrick and Newmont.
Nevada Gold Mines include Barrick’s Cortez, Goldstrike, Turquoise Ridge and Goldrush properties and Newmont’s Carlin, Twin Creeks, Phoenix, Long Canyon and Lone Tree properties.
Barrick is the operator of the joint venture and owns 61.5%, with Newmont owning the remaining 38.5% of the joint venture.
Contractors
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Deposit Type
- Sediment-hosted
- Carlin-type
Summary:
Long Canyon is a sediment-hosted disseminated gold deposit.
The gold mineralization at Long Canyon is best described as sediment-hosted, Carlin-type gold mineralization.
The mineralization identified at Long Canyon shares many of the characteristics of Carlin-type gold mineralization, including:
• Stratigraphic control on mineralization - mineralization is hosted primarily in limestone, particularly in silty, thin-bedded units;
• Structural control on mineralization - mineralization occurs in karstic cavities, collapse breccias, and anticlinal fold hinges;
• Geochemical association - elevated arsenic, mercury, antimony, and thallium accompany the gold mineralization, while silver and base-metal concentrations are low; and
• Alteration - mineralization is associated with decalcification, silicification/jasperoid, oxidized variants of pyrite and arsenical pyrite or arsenopyrite, and clay alteration.
The Long Canyon project also displays some characteristics that are unlike typical Carlin-type gold deposits. The prevalent association of hematite with gold mineralization at Long Canyon is not a common characteristic among all Carlin-type deposits, although this phenomenon is associated with weathered/oxidized portions of some of the deposits.
Summary:
The Long Canyon Mine includes an open pit with a series of benches from which oxide waste rock and ore is extracted. Mining is conducted using conventional open pit techniques and equipments, including blast-hole drills, hydraulic shovels, front-end loaders, and off-highway haul trucks. Other related mining equipment includes dozers, rubber-tired loaders, motor graders, water trucks and other mobile support equipment.
Flow Sheet:
Summary:
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Reserves at December 31, 2021:
| Category | Tonnage | Commodity | Grade | Contained Metal |
|
Proven & Probable
|
0.99 Mt
|
Gold
|
1.18 g/t
|
0.037 M oz
|
|
Measured
|
0.88 Mt
|
Gold
|
2.66 g/t
|
0.075 M oz
|
|
Indicated
|
10.7 Mt
|
Gold
|
3.87 g/t
|
1.3 M oz
|
|
Inferred
|
2.6 Mt
|
Gold
|
3.6 g/t
|
0.31 M oz
|
Corporate Filings & Presentations:
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