Gold exploration at Basin Gulch
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Two-thirds of the Basin Gulch property is still unexplored, and its gold-silver mineralization is open at depth and along strike.
Lannister Mining describes this as phenomenal exploration upside. The company plans expansion and confirmation drilling of historical intercepts and new drilling on additional target areas, with the aim of a significant maiden mineral resource estimate for Basin Gulch.
Basin Gulch has upside in three directions, according to Lannister Mining: the known mineralization is open at depth, it is open along strike, and the wider property is untested regionally. Two-thirds of the property has not been explored, and there are multiple high priority targets near the historic resource.
Open at depth
Lannister Mining reports the Au-Ag mineralization at Basin Gulch is open at depth. In plain terms, drilling has not yet found where mineralization ends going down, so deeper holes could extend it. The longest reported highlight already runs 326 meters from surface.
Open along strike
Mineralization is also open along strike, meaning its lateral edges have not been closed off by drilling. Lannister Mining says future drilling will concentrate on additional mineralized target areas within the property, alongside expansion drilling from known intercepts.
Regional
Across the 1,107 hectare land package, two-thirds of the property is unexplored and untested regionally. That untested ground sits inside the same consolidated package of 11 patented and 53 unpatented claims, so new targets can be drilled without acquiring more land.
Gold exploration generally moves through these stages. The right-hand column places Basin Gulch using Lannister Mining's own description of the project.
| Stage | What happens | Basin Gulch |
|---|---|---|
| Grassroots | Mapping and surface sampling, little or no drilling. | Behind Basin Gulch |
| Advanced exploration | Trenching and drilling define where mineralization is and how far it extends. | Basin Gulch today: 320+ historical holes and trench results |
| Resource estimate | A qualified person estimates tonnes and grade under NI 43-101 or S-K 1300. | The goal: a maiden mineral resource estimate |
| Studies and permitting | Economic studies, metallurgy and permits test whether a mine can work. | Not yet reached |
Definition
A maiden mineral resource estimate is the first formal estimate of tonnes and grade on a property, prepared by a qualified person under a disclosure standard such as Canada's NI 43-101 or the United States SEC S-K 1300 rule. Lannister Mining states that Basin Gulch has potential to host a significant maiden resource after expansion and confirmation drilling. No resource has been declared yet.
Why it matters
Lannister Mining states there is a clear premium in the market for S-K 1300 and NI 43-101 compliant gold and silver ounces in the USA, and that US-based companies with 43-101 compliant resources trade at a significant premium compared to their peers. That is the company's view of the potential for premium evaluation at Basin Gulch, not a guarantee of value.
Lannister Mining's June 2026 investor presentation goes deeper into the project than this site. It is published on the company's Invest page for investors and exploration partners.
