Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
|
| Mining Method |
|
| Production Start | ...  |
| Mine Life | 10 years (as of Jan 1, 2022) |
| Latest News | A strong year for MinRes August 30, 2023 |
Source:
p. 77
Iron Valley is 100% owned by BCI and is being operated by Mineral Resources Limited (MIN) under a royalty-type agreement.
Contractors
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Deposit Type
- Detrital Iron (DID)
- Banded iron formation
Summary:
Mineralisation within the Iron Valley deposit occurs as outcropping and buried Banded Iron Deposit (“BID”) and Detrital mineralisation (“DID”). Outcropping geology in the project is the Dales Gorge, Whaleback Shale and Joffre Members of the Brockman Iron Formation which host the BID mineralisation (predominantly in the Joffre member). Incised into this bedrock geology are deposits of DID mineralisation.
The Iron Valley deposit extends approximately 6 km along a strike of 030°. Width varies from 50m to over 600m. Thickness varies from <15m to >120m.
Summary:
Current and planned mining of the resource is by use of conventional open pit methods. The current primary mine production fleet comprises 2x Hitachi EX2600 excavators, Komatsu HD785-7 (90t capacity) and HD1500 (150t capacity) dump trucks and Caterpillar 992 Front End Loaders or similar equivalents.
Mine designs comprise detailed pit designs for the Life-of-Mine. Operational waste dump and stockpile designs are in place with conceptual designs for the later phases of waste dump expansion.
The overall slopes vary from 36° to 39° based on geotechnical studies.
Source:
Summary:
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Reserves at June 30, 2022:
Mineral Resources Cut-off is 50% Fe.
Mineral Reserves Cut-off is 54% Fe.
| Category | OreType | Tonnage | Commodity | Grade |
|
Proven
|
Stockpiles
|
1.2 Mt
|
Iron
|
55.2 %
|
|
Proven
|
In-Situ (OP)
|
38.7 Mt
|
Iron
|
58.1 %
|
|
Probable
|
In-Situ (OP)
|
14.6 Mt
|
Iron
|
58.7 %
|
|
Proven & Probable
|
Total
|
54.5 Mt
|
Iron
|
58.2 %
|
|
Measured
|
Stockpiles
|
1.2 Mt
|
Iron
|
55.2 %
|
|
Measured
|
In-Situ (OP)
|
74.6 Mt
|
Iron
|
57.7 %
|
|
Indicated
|
In-Situ (OP)
|
65.4 Mt
|
Iron
|
58.6 %
|
|
Inferred
|
In-Situ (OP)
|
26 Mt
|
Iron
|
57.8 %
|
|
Total Resource
|
Total
|
167.2 Mt
|
Iron
|
58 %
|
| HME Type | Model | Size | Quantity | Ref. Date |
|
Excavator
|
.......................
|
|
.......................
|
Oct 20, 2020
|
|
Loader (FEL)
|
.......................
|
|
|
Oct 20, 2020
|
|
Truck (dump)
|
.......................
|
90 t
|
|
Oct 20, 2020
|
|
Truck (haul)
|
.......................
|
150 t
|
.......................
|
Mar 17, 2021
|
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