Mineralization
Basin Gulch hosts gold-silver mineralization in oxides, starting at surface and open in multiple directions and at depth.
Lannister Mining describes high grade gold-silver mineralization near surface at the Basin Gulch Property, with significant implied mine design optimization flexibility. Three highlight drill intercepts start at surface, including 3.2 g/t Au over 72 meters, and surface trenches returned gold and silver over as much as 159 meters.
Last updated: Published by Lannister Mining
Near-surface gold matters because mineralization that starts at the top of the ground can, in general, be reached with less waste rock removed. That is why Lannister Mining links Basin Gulch's near-surface mineralization to mine design optimization flexibility. Any actual mine design would depend on future resource estimates and studies.
Definition
Oxide-hosted mineralization is gold and silver held in rock that has been weathered and oxidized, typically close to the surface. Weathering breaks down the original minerals and can leave the metals in a more accessible form.
At the Basin Gulch Property, Lannister Mining reports that the mineralization is hosted in oxides and lies primarily on patented land. Across the industry, oxide material is often simpler to process than unweathered sulfide rock, but processing behavior at any deposit, including Basin Gulch, has to be confirmed by metallurgical testwork. Lannister Mining describes the project on its main website as a gold and silver oxide discovery.
By the numbers
Published by Lannister Mining for Basin Gulch, as of November 2026.
Comparison
| Result | Type | Starts at surface | Metals reported |
|---|---|---|---|
| 1.8 g/t Au over 162 m | Drill intercept | Yes | Gold |
| 0.66 g/t Au over 326 m | Drill intercept | Yes | Gold |
| 3.2 g/t Au over 72 m | Drill intercept | Yes | Gold |
| 156 g/t Au over 3 m | Drill intercept | Not stated | Gold |
| 25 g/t Au over 14 m | Drill intercept | Not stated | Gold |
| Four trench highlights | Surface trench | Yes, trenches sample surface | Gold and silver |
Lannister Mining reports that the Basin Gulch mineralization is open in multiple directions and at depth, open along strike and untested regionally. In plain terms, past drilling found mineralized rock but did not find where it ends. That leaves room for expansion drilling around the known zones, which the company plans alongside confirmation drilling of historical intercepts.
For the full list of results behind these figures, see Basin Gulch historical drilling results. For where the untested ground lies, see exploration upside.
Oxide-hosted gold is gold found in rock that has been weathered and oxidized, usually near the surface. In general, oxide material is often simpler to process than unweathered sulfide rock, which is one reason explorers value it. Lannister Mining reports that Basin Gulch mineralization is hosted in oxides; processing behavior there would need to be confirmed by metallurgical testwork.
Open in the FAQ: What does oxide-hosted gold mean?Yes. Lannister Mining reports that gold-silver mineralization at Basin Gulch is open in multiple directions and at depth, open along strike, and untested regionally. Open mineralization means past drilling did not find its limits, so further drilling could extend it. Future drilling is planned to concentrate on additional mineralized target areas within the property.
Open in the FAQ: Is the Basin Gulch mineralization still open?From surface means the mineralized interval starts at the top of the hole, with no barren rock above it. In general, mineralization that begins at surface can reduce the waste rock that must be moved in an open pit design. Three of the five Basin Gulch highlight drill intercepts Lannister Mining publishes are reported from surface, including 162 meters at 1.8 g/t Au.
Open in the FAQ: Why does "from surface" matter in drill results?Gold and silver are the metals of interest at Basin Gulch. Historical drill intercepts are reported as gold grades, such as 1.8 g/t Au over 162 meters from surface, while trench results report both gold and silver, such as 5 g/t Au and 54 g/t Ag over 34 meters. The mineralization is hosted in oxides near surface.
Open in the FAQ: What metals are found at Basin Gulch?Not yet. Lannister Mining states that historical drilling and new work programs will be used in a future Maiden Mineral Resource Estimate. The company says the property has potential to host a significant maiden estimate after expansion and confirmation drilling of historical drill intercepts. Until then, historical results should be read as exploration data, not as a resource.
Open in the FAQ: Does Basin Gulch have a mineral resource estimate?Published by Lannister Mining
