Tambourah Metals Soars 150% on Exceptional High-Grade Gold Discovery
Charlie Youlden, October 1, 2025
Tambourah Metals (ASX: TMB) stunned the market this week, opening with a surge of more than 150 percent. Moves like that are rare on the ASX and always raise one key question for investors: what is driving such an explosive reaction?
The spark came from Tambourah Metals’ drilling results at the company’s 100 percent owned Beatty Park South project in Western Australia. Among the standout assays was 24 metres at 18.8 grams per tonne of gold from just 20 metres depth, including a remarkable 4 metres at 92.2 grams per tonne. Additional intercepts of 6.6 grams and 3.7 grams per tonne add to the story, placing these results among some of the strongest grade gold finds in junior exploration this year.
For investors unfamiliar with the metric, 18.8 g/t refers to grams of gold per tonne of ore. This is the standard benchmark used across the industry to compare the quality of gold deposits. In simple terms, the higher the grade in grams per tonne, the more gold can be extracted from each tonne of rock, which directly impacts the potential value and economics of a mine.
For investors in TMB, the real intrigue now lies in whether Tambourah can turn this early momentum into a sustained growth story.
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Everything you need to know about The Bryah Project
Tambourah Metals Bryah Project covers more than 300 square kilometres of gold and copper exploration targets within the Bryah Basin, one of Western Australia’s most established mineral provinces. Tambourah Metals geological setting is comparable to nearby high-profile operations such as Sandfire’s DeGrussa mine and the historical Horseshoe Lights deposit, highlighting its potential.
Strategic Importance of the Bryah Project for TMB growth story
Recent drilling has confirmed high-grade gold mineralisation, including standout results of up to 92.2g/t Au, which rank among the strongest intersections reported by WA exploration juniors in recent years. The discovery underscores the potential economic value of the site, particularly as gold has consistently outperformed broader markets over the past three years and continues to attract strong investor interest as a growth driver.
To date, only 785 metres of drilling have been completed, with a further 3,000 metres planned. This leaves significant scope to expand the mineralised footprint and advance the project toward defining a resource.
The Investors’ Takeaway for TMB
For investors in Tambourah Metals, the latest results strengthen the economic potential of the Beatty Park South prospect and place the company at a key inflection point in its exploration strategy. The exceptional grades significantly increase the probability of unlocking meaningful value, though investors should remain mindful of the inherent risks associated with early-stage exploration and the successful execution of follow-up drilling. Want to discover the next wave of high-growth mining stocks? Click here.
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