Basin Gulch gold-silver property, Montana
Lannister Mining is exploring the Basin Gulch property in Montana
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Lannister Mining is a gold exploration company advancing the Basin Gulch gold-silver property in west-central Montana.
Among gold exploration companies working in the United States, Lannister Mining starts from a specific foundation: a consolidated package of 11 patented and 53 unpatented claims covering 1,107 hectares, more than 320 historical drill holes, and near-surface, oxide-hosted gold-silver mineralization that the company reports is open at depth and along strike.
What do gold exploration companies actually do?
Gold exploration companies find, test and define gold deposits so that they can be valued, financed and, eventually, developed into mines. They raise capital, drill, sample and model the rock, then publish results under recognized reporting standards. Unlike producers, most have no revenue from selling gold.
Lannister Mining fits that description exactly. Its work at Basin Gulch is about turning a long drilling history into a modern, compliant resource. The company plans to use historical drilling together with new work programs in a future maiden mineral resource estimate, and to concentrate future drilling on additional mineralized target areas within the property.
What Lannister Mining is
Lannister Mining is a mineral exploration company whose single focus is the Basin Gulch gold-silver property in the historic Philipsburg Mining District of west-central Montana. The property is primarily on patented land, its mineralization is hosted in oxides near surface, and it has seen more than 320 historical drill holes.
The company describes the property as open at depth, along strike and untested regionally, with about two-thirds of it still unexplored. Its stated plan is further exploration and resource development, leading to a maiden mineral resource estimate after expansion and confirmation drilling of historical intercepts. The team includes people who were co-founders or senior executives at K92 Mining, Fosterville South Exploration, Arena Minerals and Thesis Gold.
Basin Gulch by the numbers
- historical drill holes
- 320+
- consolidated land package
- 1,107 ha
- patented claims
- 11
- unpatented claims
- 53
- of the property still unexplored
- Two-thirds
- by road from Butte, Montana
- 1 hour
Figures as stated by Lannister Mining, as of November 2026.
Historical drill highlights, from surface down
The strongest evidence for Basin Gulch is the historical drilling record. Several of the highlight intercepts begin at surface, which matters for any future open-pit design. Read the full record on the Basin Gulch mineral exploration drilling page.
1.8 g/t Auover 162 m (531.5 ft), from surface
0.66 g/t Auover 326 m (1,069.6 ft), from surface
3.2 g/t Auover 72 m (236.2 ft), from surface
156 g/t Auover 3 m (9.8 ft)
25 g/t Auover 14 m (45.9 ft)
Two-thirds of the property still unexplored.
Gold exploration companies and gold producers, side by side
Investors often compare explorers with the large gold miners they read about. The two are different businesses at different stages, judged on the same criteria below.
| Criterion | Lannister Mining (explorer) | Large gold producers |
|---|---|---|
| Stage | Exploration and resource development at one property | Operating mines, often in several countries |
| Main asset | Basin Gulch, Montana: 1,107 hectares, 320+ historical drill holes | Example: Barrick's largest operation is its 61.5 percent stake in Nevada Gold Mines alongside Newmont |
| Revenue | No production revenue | Revenue from gold sales, and in some cases copper |
| Resource status | Maiden mineral resource estimate planned | Published resources and reserves |
| What drives value | Drilling results, resource growth, technical reports | Production, costs, reserves and gold price |
How Lannister Mining plans to advance Basin Gulch
- Build on the historical record. More than 320 historical drill holes give a base of data on where gold-silver mineralization sits and at what grades.
- Confirm historical intercepts. Confirmation drilling checks past results with modern methods so they can support current reporting.
- Expand into new targets. The company says future drilling will concentrate on additional mineralized target areas, with multiple high-priority targets near the historic resource.
- Publish a maiden mineral resource estimate. Historical drilling and new work programs will feed a future, first resource estimate for the property.
See how this sequence fits the wider industry path on the stages of mineral exploration page.
Mineral exploration companies: where Lannister Mining fits
Mineral exploration companies range from early-stage prospectors to developers with economic studies in hand. Lannister Mining sits in a particular spot: it is not starting from bare ground, because Basin Gulch already has an extensive drilling history, but it has not yet published a mineral resource estimate.
For investors and project partners, that middle ground is the point. The company argues that US-based companies with NI 43-101 compliant resources trade at a significant premium compared to their peers, and its plan is aimed at reaching that milestone. Learn how mineral exploration companies in the USA are structured and evaluated.
The Lannister Mining investor presentation
The Lannister Mining investor presentation, dated June 2026, is the company's most complete summary of Basin Gulch, its team and its plans. It is published as a PDF on the company website.
A team that has built companies before
Lannister Mining is led by CEO and director Jim Greig, who brings more than 25 years of experience advancing and developing projects and was a founder, President and Director at Thesis Gold (formerly Benchmark Metals). The board includes K92 Mining co-founder Mario Vetro and geologist Will Randall, who acquired, discovered, developed and sold the Sal de los Angeles lithium brine project in Argentina for $265M. Meet the full Lannister Mining team.
Keep reading
- The Basin Gulch propertyClaims, geology, access and why Montana matters.
- Mineral exploration drillingEvery reported highlight intercept and trench result.
- Top gold exploration companiesHow to compare explorers, and the largest gold miners on a published list.
- Gold exploration by the numbersPublished statistics on gold prices, US output and exploration spending.
Common questions
- What is Lannister Mining?
Lannister Mining is a mineral exploration company focused on the Basin Gulch gold-silver property in west-central Montana. The property hosts near-surface gold-silver mineralization, sits within a consolidated package of 11 patented and 53 unpatented claims covering 1,107 hectares, and has seen more than 320 historical drill holes. The company plans further exploration and resource development.
See this answer in the full FAQ- What is the difference between a gold exploration company and a gold mining company?
A gold exploration company searches for and defines deposits; a gold mining company operates mines and sells gold. Explorers like Lannister Mining usually have no production revenue, while producers such as Newmont and Barrick run large operating mines. Many producers also explore, and many explorers aim to become developers.
See this answer in the full FAQ- How many holes have been drilled at Basin Gulch?
More than 320 historical drill holes, according to Lannister Mining. That drilling record is central to the company case: it gives geologists existing data on where mineralization occurs and at what grades, which can guide confirmation drilling and help plan expansion drilling into new areas.
See this answer in the full FAQ- How big is the Basin Gulch land package?
The total land package includes 11 patented claims and 53 unpatented claims covering 1,107 hectares. The property is underlain by a core of patented mining claims surrounded by unpatented mining claims, and the company notes multiple high-priority targets near the historic resource area.
See this answer in the full FAQ- Where can I find the Lannister Mining investor presentation?
The latest USA investor presentation, dated June 2026, is available as a PDF on the Lannister Mining website and is linked from the investors page on this site. The company also references a Canadian investor presentation on its own website. The presentation is the best place to see the company latest detail.
See this answer in the full FAQ- What are the top 10 gold companies?
Investing News Network lists the top 10 gold-mining companies as Newmont, Agnico Eagle Mines, Barrick Mining, Navoi Mining and Metallurgy Company, AngloGold Ashanti, Polyus, Zijin Mining Group, Gold Fields, Kinross Gold and Northern Star Resources. These are producers. Lannister Mining is an exploration company at a much earlier stage.
See this answer in the full FAQ- Is this website investment advice?
No. This site is published by Lannister Mining to explain the company, the Basin Gulch property and mineral exploration in general. It is informational only. Historical drilling results are not a current mineral resource estimate, and investors should review the company disclosure documents and seek professional advice before making decisions.
See this answer in the full FAQ