RE: Quarriable Antimony25 May 2026 22:09
[2]
To determine what a major mining company would offer to buy the Bushranger Copper-Gold Project, we must weigh Xtract’s total expenditure against the project's net present value (NPV) and current global copper dynamics.
A realistic, fair-value offer from a major company for an outright buyout would likely range between AU$25 million and AU$50 million (£13M – £26M), potentially structured with upfront cash and deferred milestone milestones.
Colin Bird’s goal to "get back what we paid and a bit more" is rooted in recovering the cash and equity Xtract poured into the ground:
Acquisition Cost: Xtract bought 100% of the project in 2020 for £1.25 million (in shares).
Exploration & Drilling Spend: Xtract executed over 35,000 metres of diamond core drilling across Phase 1 and Phase 2. In the junior mining sector, deep diamond drilling in Australia typically costs AU$300–$400 per metre. This puts Xtract's direct drilling and assay expenditure at roughly AU$11 million to AU$14 million (~£6M – £8M).
Total Sunk Costs: Combined with technical studies, resource modeling, and tenement management, Xtract’s total historical expenditure sits around £8 million to £10 million (~AU$15M – $19M). Therefore, a baseline offer of £12M–£15M satisfies Bird's promise to cover costs plus a premium.
How a does a "Major" Validate an Offer?
A major miner (such as Newmont, Evolution Mining, or BHP) does not calculate offers based on what a junior spent, but on what the asset can generate.
The Resource Value: Bushranger has a large resource of over 1.3 million tonnes of contained copper equivalent.
The NPV Limit: Independent optimization studies concluded that the Racecourse deposit has a peak post-tax NPV8 of AU$363 million. However, this requires a massive 20Mtpa operation, a massive capital expenditure >1e9 (CapEx) to build the mill, and a copper price sustained at US$11,000 per tonne.
The Rule of Thumb: For un-mined, low-grade porphyry assets at the Pre-Feasibility stage, major companies typically offer 5% to 15% of the project's projected NPV, depending on how high the build costs are. 10% of the AU$363M NPV yields an asset valuation of ~AU$36 million (~£19 million).
Likely Structure of a Major Offer
Because the asset is low-grade (averaging ~0.22% CuEq) and highly sensitive to copper market fluctuations, a major mining company would likely de-risk their purchase using a staged payment structure, similar to how Xtract structured its Manica gold asset sale:
+------------------------------------+----------------------------------+
| Offer Component | Estimated Value (AU$) |
+------------------------------------+----------------------------------+
| Upfront Cash at Signing | AU$ 15,000,000 |
| Deferred Cash (Upon PFS/BFS) | AU$ 15,000,000 |
| Production Royalty (NSR) or Bonus | AU$ 10,000,000 to AU$ 20,000,000 |
+------------------------------------+
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