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Priced by Three Eras: what the 2026 price regime does to a century-old tin and tungsten field

9 hours ago
27 min read

Part 1 mapped the register. Part 2 explained which of those ores actually give their metal back. This note prices them. It carries one Watershed orebody through three eras of tungsten money, from a US$450 study assumption in 2014 to a A$1.3 billion valuation in 2026; it re-bases the district’s only public tin study to today’s price with every assumption on the table; and it closes on the question the whole series has been building to.


The Known Tin and Tungsten Fields of Eastern Australia - Part 3 of 3


WHAT THIS PIECE COVERS

1.00 THE PREMISE AND THE THREE ERAS

Same rocks, different money, and what this note sets out to test.

2.00 THE FOOT SOLDIER'S REPORT CARD

Whether today's tin price is a squeeze or a regime, audited against a 2021 call.

3.00 ONE OREBODY, THREE ERAS: WATERSHED

The one deposit in the field studied in three different price regimes, 2014, 2017 and 2026.

4.00 ERA THREE IN DETAIL: THE WATERSHED STUDY

What the June 2026 evaluation claims, and what it stops short of claiming.

5.00 THE 2013 MT GARNET TIN STUDY, RE-BASED

The district's only tin study, re-run at today's price.

6.00 THE RISING TIDE OF TUNGSTEN

How policy rather than disorder proved tungsten's scarcity.

7.00 WHICH ORES THE NEW PRICES REPRICE

Why a price rise reaches clean ore long before it reaches locked ore.

8.00 THE CHINA VARIABLE: IS THE TIN PRICE REAL?

The case that the price is managed, and the case that the lever has moved.

9.00 THE MECCA QUESTION

Closing the series on endowment, price, and the missing middle.

1.00 — THE PREMISE AND THE THREE ERAS

Same rocks, different money

Nothing in this note is about geology, because the geology has not changed. The Watershed scheelite skarn (scheelite is calcium tungstate, the main tungsten ore mineral; a skarn is rock formed where granite fluids replaced limestone) contains today the same tungsten it contained when Vital Metals finished a Definitive Feasibility Study (DFS) on it in 2014. The Gillian and Pinnacles skarns contain the same tin they contained when Consolidated Tin Mines put numbers on them in 2013. What has changed is the price of the metal inside them, and the change is not small: tin trades near an all-time high, and the benchmark tungsten intermediate has moved roughly ten-fold in three years. This note measures what that does to a field whose deposits Part 1 catalogued and whose metallurgy Part 2 sorted.[26][27]

The method is deliberately narrow. Rather than forecast prices, the note takes the two substantive public economic studies ever completed on these deposits and reads them against three eras of money. Era one is the years around 2013 and 2014, when the studies were written. Era two is the long trough that followed, which for the tungsten market ran all the way to 2023. Era three is the repricing of 2024 to 2026 that both metals are now trading in. Those three labels carry through every section that follows. Watershed is the ideal instrument because its full study history is public: the same orebody was priced in 2014, re-priced in 2015 and 2017, sold in 2018, and priced again in June 2026, each time with the assumptions disclosed in announcements to the Australian Securities Exchange (ASX).[15][16][17]

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