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Trigg Mining Ltd. ( (AU:AT4) ) has provided an announcement.
American Tungsten & Antimony has reported a shallow high‑grade antimony discovery from its maiden diamond drilling at the Antimony Canyon Project’s Little Emma Prospect in Utah. Initial assays from seven holes intersected thick zones of high‑grade stibnite within flat‑lying “Salt & Pepper” tuff, with mineralised widths far exceeding typical western vein systems and indicating a stratiform-style system analogous in geometry to China’s giant Xikuangshan district.
Key intercepts, including over 11 metres at 3.1% antimony and 8.47 metres at 2.67% antimony, locally surpass assumptions used for the project’s existing exploration target and confirm a large-scale hydrothermal system. Together with surface grab samples grading up to 29.4% antimony and mineralisation found in four of the first seven holes, the results position Antimony Canyon as one of the more promising U.S. antimony prospects and support the company’s strategy to build a critical minerals supply hub, including informing site selection for a proposed antimony smelter.
The Little Emma Prospect represents just one of 20 historic mines on the company’s patented claims, underscoring substantial district-scale upside as further drilling and geophysical surveys expand to other targets such as Black Jack and Tan Jack. Ongoing and planned IP and EM surveys, along with newly lodged work programs, are expected to drive an active exploration pipeline through 2026, with implications for Western efforts to secure domestic antimony supply chains.
The most recent analyst rating on (AU:AT4) stock is a Sell with a A$0.13 price target. To see the full list of analyst forecasts on Trigg Mining Ltd. stock, see the AU:AT4 Stock Forecast page.
More about Trigg Mining Ltd.
American Tungsten & Antimony Ltd is an ASX- and OTCQB-listed explorer focused on critical minerals, particularly antimony and tungsten, in the United States. Its flagship Antimony Canyon Project in Utah targets high-grade stibnite mineralisation across a district-scale land package that includes 100%-owned patented claims and multiple historic mine workings.
Average Trading Volume: 10,944,941
Technical Sentiment Signal: Buy
Current Market Cap: A$201.8M
For detailed information about AT4 stock, go to TipRanks’ Stock Analysis page.

