Overview
Stage | Production |
Mine Type | Open Pit & Underground |
Commodities |
|
Mining Method |
- Truck & Shovel / Loader
- Drift & Fill
- Cemented backfill
|
Processing |
- Gravity separation
- Shaker table
- Centrifugal concentrator
- Flotation
|
Mine Life | 9 years (as of Jan 1, 2022) |
The Golden Chest Mine is comprised of an underground mine, an open pit mine, and an exploration project. |
Latest News | Idaho Strategic Resources Provides 2021 Operating and Financial Results March 31, 2022 |
Source:
p. 12
IDR owns 100% of the Golden Chest LLC (owner of the Golden Chest Mine).
Deposit Type
- Vein / narrow vein
- Orogenic
- Intrusion related
Summary:
Gold mineralization occurs in veins associated with multiple faulting and folding events in the Coeur d’Alene Mining District. The mineralization occurs as gold- quartz veins associated with an orogenic deposit type. The orogenic system at the Golden Chest appears to have an association with igneous rock activity. Hence, the vein deposits may be described as intrusion-related orogenic gold. The principal vein being exploited at the Golden Chest Mine is associated with the Idaho Fault, which juxtaposes the quartzites of the upper Prichard Formation against finer-grained argillites, also of the upper Prichard Formation.
Veins occur adjacent to the Idaho Fault both in its footwall, and in its hanging wall. The mineralization occurs in two types of quartz veins, banded and massive. These veins are generally conformable to bedding in the Proterozoic age Prichard Formation. The banded veins, which occur primarily in argillite, contain, pyrite, arsenopyrite, galena, sphalerite and visible gold. Thicker, massive veins occur in quartzite and contain pyrite, galena, chalcopyrite, sphalerite, scheelite and visible gold.
Mining Methods
- Truck & Shovel / Loader
- Drift & Fill
- Cemented backfill
Summary:
Golden Chest includes both open-pit and underground operations.
The Golden Chest underground mine is accessed by primary decline ramp (MAR) with a complimentary escape-way incline ramp. The primary mining method is underhand drift-and-fill utilizing cemented rock-fill (CRF). During 2021, IDR mined a total of 17,180 tonnes of ore at an average grade of 5.32 gpt gold. The ore came from the 891, 842, 833 and 824 stopes. The decline (MAR) was extended at depth during 2021 to the 815 sublevel which required about 190 meters of ramp development and two exhaust ventilation raises were completed by IDR miners. A two-boom jumbo was added late in the year to accelerate MAR development.
In 2021, IDR continued its open pit mining operation which commenced in August of 2016. Mining in the Klondike pit advanced from the 1032 bench to the 1002 bench during the year. A total of 27,125 tonnes of ore at average grade of 2.92 gpt gold and 174,000 tonnes of waste were mined during the year. Ore tonnes and grade in the Klondike Pit were lower than modeled because of unmapped, historic stopes in the Klondike where high-grade material had been mined out by the old-timers.
Crusher / Mill Type | Model | Size | Power | Quantity |
Cone crusher
|
|
|
|
1
|
Ball mill
|
|
2.4m x 4.0m
|
|
1
|
Processing
- Gravity separation
- Shaker table
- Centrifugal concentrator
- Flotation
Source:
Summary:
The New Jersey Mill is a fully-permitted, 360-tonne per day, flotation mill and concentrate leach plant (“CLP”) located two miles east of Kellogg, Idaho, in the Coeur d'Alene Mining District.
In October 2016, the Company resumed operations at the New Jersey Mill, processing ore extracted from open and underground of the Golden Chest.
IDR is the JV manager and retains a 65% interest in JV assets as well as the right to process its own ore at the rate of 3,000 tonnes per month and to allocate unused and excess capacity in its role as manager. The property covered by the JV agreement includes the crushing circuit, grinding circuit, gravity circuit, flotation circuit, CLP, buildings, and surface rights only over the patented mill site claim. Unpatented mill site claims are also part of the JV.
The gravity circuit is comprised of a vibrating screen and a Knelson Concentrator and will be used to process a portion of the recirculating load in the grinding circ ........

Recoveries & Grades:
Commodity | Parameter | 2021 | 2020 | 2019 | 2018 | 2017 |
Gold
|
Recovery Rate, %
| ......  | ......  | ......  | | |
Gold
|
Head Grade, g/t
| ......  | ......  | ......  | 3.47 | 4.11 |
Reserves at December 31, 2021:
Mineral Reserves are reported at a 2.0 g/t Cut-off.
Category | Tonnage | Commodity | Grade |
Proven
|
38,700 t
|
Gold
|
4.87 g/t
|
HME Type | Model | Size | Quantity | Leased or Contractor | Ref. Date |
Load-Haul-Dump (LHD)
|
|
2 cu. m
|
.......................
|
|
Dec 31, 2019
|
Truck (underground)
|
.......................
|
14 t
|
.......................
|
|
Dec 31, 2017
|
Truck (underground)
|
|
20 t
|
.......................
|
|
Dec 31, 2019
|
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Corporate Filings & Presentations:
- Subscription is required.
News:
News | Date |
Idaho Strategic Resources Provides 2021 Operating and Financial Results
|
March 31, 2022
|
Idaho Strategic Resources Continues to Drill Gold-Quartz Veins at Klondike and Paymaster
|
December 13, 2021
|
New Jersey Mining Completes Reverse Stock Split and Name Change to Idaho Strategic Resources, Inc.
|
December 6, 2021
|
New Jersey Mining Company Continues Drilling High-Grade Gold-Quartz Veins in Klondike Area
|
September 23, 2021
|
New Jersey Mining Company Drills High-Grade Gold-Quartz Veins in Klondike Area
|
August 26, 2021
|
New Jersey Mining Company Drills Double Gold Veins in Paymaster Shoot
|
May 24, 2021
|
New Jersey Mining Company Evaluates Potential for 20,000 Oz/Year Gold Production at Golden Chest Mine & Possible Spin-out of Rare Earths...
|
March 3, 2021
|
New Jersey Mining Company Intersects High-Grade Gold Veins Down-Dip in Paymaster Shoot
|
February 18, 2021
|
New Jersey Mining Company Intercepts Idaho Vein in Two Drill Holes - Extending Mineralization to the North
|
May 21, 2019
|
Aerial view:
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