Key facts
| Company | Erdene Resource Development (TSX: ERD) |
|---|---|
| Commodity | Gold |
| Location | Mongolia |
| Stage | Production |
Mineral resource estimates
10 reported estimates, newest first. Categories are as disclosed by Erdene Resource Development; inferred material carries the lowest confidence and cannot support a reserve.
| Category | Tonnes | Au g/t | Au oz | Ag g/t | Ag oz | Effective |
|---|---|---|---|---|---|---|
| Proven reserveNI 43-101 | 2.7 Mt | 4.10 g/t | 360 koz | 1.80 g/t | 159 koz | Aug 1, 2023 |
| Probable reserveNI 43-101 | 1.1 Mt | 3.00 g/t | 105 koz | 1.70 g/t | 61 koz | Aug 1, 2023 |
| MeasuredNI 43-101 | 4.0 Mt | 3.03 g/t | 394 koz | 1.44 g/t | 197 koz | Aug 1, 2023 |
| IndicatedNI 43-101 | 3.3 Mt | 2.04 g/t | 219 koz | 1.22 g/t | 142 koz | Aug 1, 2023 |
| InferredNI 43-101 | 186 kt | 1.08 g/t | 6 koz | 1.32 g/t | 8 koz | Aug 1, 2023 |
| Proven reserveNI 43-101 | 1.2 Mt | 4.20 g/t | 166 koz | — | — | Oct 1, 2019 |
| Probable reserveNI 43-101 | 2.2 Mt | 3.50 g/t | 244 koz | — | — | Oct 1, 2019 |
| MeasuredNI 43-101 | 1.4 Mt | 3.77 g/t | 171 koz | — | — | Oct 1, 2019 |
| IndicatedNI 43-101 | 3.7 Mt | 2.93 g/t | 350 koz | — | — | Oct 1, 2019 |
| InferredNI 43-101 | 868 kt | 3.68 g/t | 103 koz | — | — | Oct 1, 2019 |
How the categories differ: Inferred vs Indicated vs Measured. Compare reports over time with the Resource Growth Tracker.
Economic studies
Feasibility study
Aug 15, 2023- NPV (5%)
- US$170M
- IRR
- 35.3%
- Payback
- 2.4 years
- Initial capex
- US$100M
- Mine life
- 6 years
- Gold price assumed
- US$1,800/oz
Feasibility study
Sep 1, 2020- NPV (5%)
- US$100M
- IRR
- 42.4%
- Payback
- 1.9 years
- Initial capex
- US$59.2M
- Mine life
- 6 years
- Gold price assumed
- US$1,400/oz
Figures as extracted from each study, in US dollars as the studies report them. Open the report before relying on one.
News releases7 on file
Erdene Provides Q2 2026 Bayan Khundii Gold Mine Update and Notice of Conference Call and Webcast
The Bayan Khundii Gold Mine in Mongolia, operated by Erdene Mongol LLC, produced 11,709 ounces of gold in Q2 2026, 37% above the prior quarter, bringing production to 27,670 ounces since first pour in September 2025. The mine processed 153 thousand tonnes of ore at 1,682 tonnes per day, grading 2.4 g/t gold with 96% recoveries, and sold 11,709 ounces of gold and 3,317 ounces of silver at $4,493/oz
CorporateErdene Provides Q1 2026 Bayan Khundii Gold Mine Update
The Bayan Khundii Gold Mine in Mongolia, operated by Erdene Mongol LLC, processed 151 thousand tonnes of ore at 1,675 tonnes per day (94% of target throughput) in Q1 2026, at an average grade of 1.9 g/t gold with recoveries above 96% versus a 93% forecast; March feed grades averaged 2.7 g/t. Sales totalled 8,527 ounces of gold and 3,135 ounces of silver at $4,872/oz and $80/oz, for gross revenues
CorporateErdene Provides Bayan Khundii Gold Mine Update
The Bayan Khundii Gold Mine in Mongolia sold 7,434 ounces of gold and 2,634 ounces of silver in Q4 2025 at average prices of US$4,153/oz and US$53/oz, generating US$31 million (C$42.5 million) in gross project revenues. The plant processed 144,845 tonnes of ore averaging 2.0 g/t gold, or 1,508 tpd (77% of the 1,950 tpd nameplate), reaching nameplate throughput for much of December, with recoveries
Corporate