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Basin Gulch Property, MontanaPublished by Lannister MiningLast updated:

Lannister Mining is one of the mineral exploration companies advancing gold and silver in Montana

Lannister Mining is a mineral exploration company exploring for gold and silver at the Basin Gulch Property in west-central Montana, USA.

Lannister Mining starts from a deep base of existing data: more than 320 historical drill holes across 11 patented and 53 unpatented claims covering 1,107 hectares. The company plans expansion and confirmation drilling, then a maiden mineral resource estimate, and welcomes exploration partners who want to help advance the project.

See the Basin Gulch PropertyInvestor and partner overview

What do mineral exploration companies do?

Mineral exploration companies search for, sample and drill mineral deposits to learn which metals are present, at what grades and over what size. Their aim is a formal mineral resource estimate that can support partnerships, studies or development.

Lannister Mining does this work at a single property: the Basin Gulch Property near Philipsburg, Montana.

The Basin Gulch Property in west-central Montana

The project

Basin Gulch at a glance

What is the Basin Gulch Property?

The Basin Gulch Property is the gold and silver exploration project of Lannister Mining, located in the heart of the historic Philipsburg Mining District in west-central Montana. That district led the original US silver boom in the late 1800s.

Basin Gulch is primarily on patented land and its mineralization is hosted in oxides, near surface. The property has seen more than 320 historical drill holes, yet the mineralization remains open at depth and along strike, and the wider property is untested regionally.

Lannister Mining describes an asset that has seen significant historical work but has not been mined out. Year-round access runs from Philipsburg on paved and well-maintained gravel roads. Read the full property profile.

Basin Gulch by the numbers

Patented mining claims at the core of the property
11
Unpatented mining claims surrounding the core
53
Hectares in the total land package
1,107
Historical drill holes completed
320+
Of the property still unexplored
Two-thirds
By road from Butte, Montana
1 hour

Figures as reported by Lannister Mining, as of November 2026.

Historical drilling

What the historical drill holes found

Historical drill hole highlights at the Basin Gulch Property, as reported by Lannister Mining. Bar length shows intercept length in meters.
  1. 0.66 g/t Auover 326 meters (1,069.6 feet), from surface
  2. 1.8 g/t Auover 162 meters (531.5 feet), from surface
  3. 3.2 g/t Auover 72 meters (236.2 feet), from surface
  4. 25 g/t Auover 14 meters (45.9 feet)
  5. 156 g/t Auover 3 meters (9.8 feet)

Three of the highlight holes returned gold from surface over long lengths, including 1.8 g/t Au over 162 meters and 0.66 g/t Au over 326 meters. Two shorter intervals returned higher grades: 156 g/t Au over 3 meters and 25 g/t Au over 14 meters.

These are historical results. Lannister Mining plans confirmation drilling of historical intercepts and expansion drilling before it publishes a maiden mineral resource estimate.

See every drill and trench highlight

"Two-thirds of the property still unexplored."
Lannister Mining, on the Basin Gulch Property

Gold exploration companies

Gold exploration companies: where Lannister Mining sits

Gold exploration companies sit at the start of the mining value chain. They do not sell metal; they raise capital to find and measure deposits. Lannister Mining explores for both gold and silver, and its Basin Gulch work sits between historical discovery drilling and the resource definition that leads to a maiden estimate.

Company types in gold and mineral exploration, and where Lannister Mining sits today
Company typeMain workTypical fundingKey milestoneLannister Mining
ExplorerMapping, sampling and drilling to find and define mineralizationMainly equity financingA first, or maiden, mineral resource estimateCurrent stage at Basin Gulch
DeveloperEconomic studies, permitting and engineering toward a mineEquity, debt and partnersA construction decisionA possible later path after a resource and studies
ProducerOperating mines and selling metalRevenue from metal salesReplacing reserves as mines depleteNot applicable today
Royalty or streaming companyFinancing miners in exchange for a share of output or revenueRoyalty and stream incomeGrowing a portfolio of interestsNot applicable

For the criteria investors use to compare explorers, read what to check in gold exploration companies.

Mineral exploration companies in USA

Mineral exploration companies in the USA: why Montana

Montana is known as the Treasure State because of its mineral wealth and a history built on mining, and the industry still plays an active role in the state economy. The first gold discovery in the Montana territory came in 1852 at Gold Creek, near present-day Garrison. Silver, copper, nickel and platinum have all been discovered and mined since.

For mineral exploration companies in the USA, that history means established districts, roads and towns. Basin Gulch has year-round access from Philipsburg and is about one hour from Butte. Lannister Mining also points to a market premium for gold and silver ounces in the USA that are reported under S-K 1300 or NI 43-101. Read more on exploring in the USA.

Planned exploration

What happens next at Basin Gulch?

  1. Confirm historical intercepts

    Drill new holes to test historical intercepts with modern methods, so the data can support a compliant estimate.

  2. Expand open mineralization

    Step out from known mineralization, which Lannister Mining describes as open at depth and along strike.

  3. Test new target areas

    Drill additional mineralized target areas across a property that is still two-thirds unexplored.

  4. Prepare a maiden resource estimate

    Combine historical drilling and new work programs into a first mineral resource estimate for Basin Gulch.

These steps reflect the plan Lannister Mining describes: expansion and confirmation drilling, new target areas, and a maiden mineral resource estimate. See the stages of mineral exploration for how this fits the wider process.

The team

People with a record in the industry

Lannister Mining is led by CEO and Director Jim Greig, who has more than 25 years of experience advancing projects toward production. The wider team includes many of the same co-founders or senior executives as K92 Mining, Fosterville South Exploration, Arena Minerals and Thesis Gold.

Meet the management, board and advisors

Common questions

Short answers here. The full mineral exploration FAQ covers more.

What does Lannister Mining do?
Lannister Mining is a mineral exploration company exploring for gold and silver at the Basin Gulch Property in west-central Montana, USA. The property holds 11 patented and 53 unpatented claims and more than 320 historical drill holes. The company plans further exploration and a maiden mineral resource estimate.
Is Lannister Mining one of the mineral exploration companies in the USA?
Yes, its exploration is entirely in the USA. Lannister Mining's single project, the Basin Gulch Property, sits in west-central Montana near Philipsburg. Its corporate office is in Vancouver, British Columbia, but its exploration work is focused on this US gold and silver property in the historic Philipsburg Mining District.
How large is the Basin Gulch Property?
The total land package covers 1,107 hectares. It is made up of 11 patented mining claims at its core, surrounded by 53 unpatented mining claims. Lannister Mining reports that about two-thirds of the property is still unexplored, with multiple high priority targets near the historic resource.
What are the best historical drill results at Basin Gulch?
Highlight historical intersections include 1.8 g/t Au over 162 meters from surface, 0.66 g/t Au over 326 meters from surface, 3.2 g/t Au over 72 meters from surface, 156 g/t Au over 3 meters, and 25 g/t Au over 14 meters. Confirmation drilling is planned to test these historical results.
Is there a mineral resource estimate for Basin Gulch?
Not yet. Lannister Mining plans a maiden mineral resource estimate that will use historical drilling together with new work programs. The company says the property has potential to host a significant maiden estimate after expansion and confirmation drilling of historical drill intercepts.
What should I look for in top gold exploration companies?
Look at asset quality and the amount of existing data, the jurisdiction, access, land tenure, the team's track record, and a clear path to a compliant resource. Lannister Mining's case rests on more than 320 historical holes, mostly patented land, year-round access, and a team linked to K92 Mining and Thesis Gold.
What kind of exploration partners is Lannister Mining looking for?
Lannister Mining wants to attract exploration partners who can help advance Basin Gulch through expansion drilling, confirmation drilling and work on unexplored targets toward a maiden resource estimate. Partners can review the property, drilling and team facts on this site, then visit lannistermining.com for current company information.