Caspin Resources has reported its strongest Bygoo tin intersection to date, while early test work points to 83.8% tin recovery into a high-grade concentrate. The gains come with familiar exploration-stage caveats: a $5.70 million annual loss, $5.03 million of operating cash outflow and continued reliance on equity funding.
- 20m at 2.11% tin in post-year-end drilling
- Kelpie maiden inferred resource of 19.3kt contained tin
- Combined concentrate grading 53.6% tin at 83.8% recovery
- $7.06m cash at 30 June 2026
- $5.70m annual loss and $5.03m operating cash outflow
Errol’s Zone Delivers Caspin’s Strongest Tin Intersection
Caspin Resources Limited (ASX:CPN) has raised the geological stakes at its Bygoo Tin Project in New South Wales, with post-year-end drilling producing a 20-metre intersection grading 2.11% tin at the newly identified Errol’s Zone. The company describes hole BRC055 as its best Bygoo result to date, but the result is not yet part of the stated mineral resource estimate.
Follow-up drilling added further weight to the zone. Hole BRC061 returned 20 metres at 1.79% tin from 185 metres, including 3 metres at 9.32% tin and an individual metre grading 14.0% tin. Other Errol’s Zone results included 8 metres at 1.39% tin and 5 metres at 1.15% tin in BRC053, while mineralisation at the Stewart Zone remains open down-plunge.
Kelpie Resource Remains Inferred and Unchanged
As at 30 June 2026, Kelpie’s maiden resource stood at 3.94 million tonnes grading 0.50% tin for 19.3 thousand tonnes of contained tin. Cube Consulting prepared the estimate from 275 holes covering more than 20,000 metres of drilling, within an optimised pit shell that the company says demonstrates reasonable prospects for eventual economic extraction.
The distinction between that resource and the newer drilling matters. Caspin says the Errol’s Zone and other extensions could grow Kelpie, with more than 20 kilometres of prospective Ardlethan Granite contact across the broader Bygoo ground. Yet the resource remains entirely inferred, and the strongest intersections discussed in the report have not been converted into a revised estimate or an economic study.
Early Metallurgy Supports a Potentially Simple Flowsheet
Scoping-level metallurgical work produced a combined gravity and flotation concentrate grading 53.6% tin, with 83.8% of the tin recovered from the test feed. Gravity alone recovered 58.7% of the tin into a 58.3% tin concentrate, a result Caspin says could support a simpler plant design, although the work is an early base for further optimisation rather than a development decision.
Initial X-ray transmission ore-sorting tests also produced encouraging upgrades from two small, heterogeneous samples. A 1.12% tin sample was upgraded to 3.33% with 71% mass rejection and approximate recovery of 88%; a 0.19% sample was upgraded to 1.16% with 92% mass rejection and approximate recovery of 50%. The company says further testing will examine particle size, feed grade and tin retained in fines.
Exploration Progress Comes With a Heavy Funding Requirement
Caspin’s exploration spend rose sharply to $4.31 million from $1.70 million, contributing to a net loss of $5.70 million compared with $2.59 million the prior year. Operating cash outflow was $5.03 million, while the company held $7.06 million in cash at 30 June after raising $11.51 million through share issues, net of transaction costs.
The balance sheet provides room for continued work, but not independence from the capital market. Caspin explicitly says it may require further financing and that exploration commitments total $13.31 million, including $3.55 million due within 12 months. It also reported a further $240,000 from option exercises after year-end. The financial statements were prepared on a going-concern basis, with directors citing managed expenditure and the prospect of future equity raisings.
Mount Squires Sale Adds Assets, Not Operating Revenue
The company has narrowed its portfolio, selling the Mount Squires subsidiary to Agrimin Limited (ASX:AMN) for 5 million Agrimin shares, 5 million options, 5 million performance rights and a 1% net smelter return royalty. The transaction generated an accounting gain of $874,261, although the resulting Agrimin securities were marked down by $282,040 during the year. Caspin also chose not to exercise its option over the Weethalle Gold Project.
That leaves Bygoo carrying the investment case. The next meaningful test is whether drilling can be translated into a larger, better-defined resource and then into project-level economics, while metallurgy moves beyond small scoping samples. Until then, the headline grades are evidence of geological potential, not evidence of a mine.
Bottom Line?
Caspin has the drilling momentum and cash to keep testing Kelpie, but the next resource update must convert promising intersections into scale while funding needs continue to rise.
Questions in the middle?
- How much will Errol’s Zone add when the next Kelpie resource estimate incorporates the post-year-end drilling?
- Can further metallurgical work confirm the reported recovery and ore-sorting results across representative bulk samples?
- How long can the current cash balance fund exploration before Caspin needs another equity raising?