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Basin Gulch, west-central Montana

Gold Exploration Montana: The Basin Gulch Property

Last updated: · Published by Lannister Mining

Basin Gulch is a gold and silver exploration property in west-central Montana with near-surface oxide mineralization, more than 320 historical drill holes and 64 mining claims.

Lannister Mining is advancing Basin Gulch toward a Maiden Mineral Resource Estimate. For investors and exploration partners weighing gold exploration Montana opportunities, the property pairs decades of historical drilling with a mostly patented land base and two-thirds of its ground still unexplored.

Read the investor overviewSee the drill results
The Basin Gulch Property in west-central Montana
The Basin Gulch Property, near Philipsburg in west-central Montana. Image courtesy of Lannister Mining.

Where is gold exploration happening in Montana?

One example is Basin Gulch, in the historic Philipsburg Mining District of west-central Montana, where Lannister Mining is exploring near-surface gold-silver oxide mineralization. Montana has been explored for gold since the first discovery in the Montana territory at Gold Creek in 1852, and the Philipsburg district led the original US Silver Boom in the late 1800s.

Basin Gulch by the numbers

historical drill holes
320+
patented mining claims
11
unpatented mining claims
53
total land package
1,107 ha
of the property still unexplored
2/3
of 1.8 g/t Au from surface, one historical hole
162 m
drive from Butte, MT
1 hour
road access from Philipsburg
Year-round

Numbers card

What the numbers say about Basin Gulch

The Basin Gulch Property has seen more than 320 historical drill holes, which Lannister Mining describes as significant historical work that yielded its highest-grade results. Highlight intercepts include 1.8 g/t Au over 162 meters from surface and 0.66 g/t Au over 326 meters from surface.

The land package totals 11 patented and 53 unpatented claims over 1,107 hectares, and roughly two-thirds of that ground has not been explored. All drill figures are historical and are not a current mineral resource.

What makes this Montana gold project different

Definition

What is the Basin Gulch Property?

The Basin Gulch Property is Lannister Mining's gold and silver exploration project in west-central Montana. It is primarily on patented land, its mineralization is hosted in oxides, and it is open at depth, along strike and untested regionally. The property is underlain by a core of patented mining claims surrounded by unpatented claims, inside the historic Philipsburg Mining District.

Mineralization

Why near-surface grade matters

Several historical holes hit gold starting at surface, including 3.2 g/t Au over 72 meters and 1.8 g/t Au over 162 meters. Lannister Mining says high-grade gold-silver mineralization this close to surface gives significant implied mine design optimization flexibility, and that the mineralization remains open in multiple directions and at depth.

Location

A safe, historic jurisdiction

Basin Gulch sits in the heart of the Philipsburg Mining District, which led the original US Silver Boom in the late 1800s. Crews reach the property year-round from Philipsburg, MT on paved and well-maintained gravel roads, and Butte is about one hour away. Read about location and access.

People

A team that has done this before

Lannister Mining is led by a team with many of the same co-founders or senior executives as K92 Mining, Fosterville South Exploration, Arena Minerals and Thesis Gold. CEO Jim Greig brings more than 25 years of experience advancing and developing projects. Meet the team.

Basin Gulch today versus the next phase

Lannister Mining's Basin Gulch Property: what is known today and what comes next
TopicKnown todayNext step stated by Lannister Mining
DrillingMore than 320 historical drill holesExpansion and confirmation drilling of historical intercepts
MineralizationNear-surface gold-silver hosted in oxidesTest zones open at depth and along strike
ResourceNo mineral resource estimate yetA future Maiden Mineral Resource Estimate
Land11 patented and 53 unpatented claims, 1,107 hectaresDrill multiple high-priority targets near the historic resource
Unexplored groundAbout two-thirds of the propertyConcentrate future drilling on additional mineralized targets

Montana gold exploration, then and now

Montana gold exploration began with the 1852 discovery at Gold Creek, near present-day Garrison. Silver, copper, nickel and platinum were later discovered and mined, which is why Montana is known as the Treasure State. Mining still plays an active role in the state's economy today.

Basin Gulch carries that history forward in the Philipsburg district. Unlike many historic Montana workings, Lannister Mining describes Basin Gulch as an asset that has seen significant historical work but has not been mined out.

Read the full guide to Montana gold exploration

Map of Montana marking the location of the Basin Gulch Property
Location map of the Basin Gulch Property in Montana, from Lannister Mining.

How Basin Gulch moves toward a maiden resource

  1. Compile the historical record

    Bring together results from more than 320 historical drill holes and the trench program.

  2. Confirm historical intercepts

    Drill to confirm historical results so they can support a modern resource estimate.

  3. Expand the open zones

    Step out where mineralization is open at depth and along strike.

  4. Publish a Maiden Mineral Resource Estimate

    Combine historical drilling and new work programs into the property's first resource estimate.

Explore the Basin Gulch guide

Common questions

See all questions in the FAQ

What is the Basin Gulch Property?

Basin Gulch is a gold and silver exploration project in west-central Montana explored by Lannister Mining. It hosts near-surface gold-silver mineralization in oxides, sits mainly on patented land, and has seen more than 320 historical drill holes. The land package covers 11 patented and 53 unpatented claims totaling 1,107 hectares.

Read this answer in the full FAQ

What does near-surface mineralization mean at Basin Gulch?

It means gold-silver mineralization begins at or close to the ground surface. Several historical holes intersected gold from surface, including 1.8 g/t Au over 162 meters and 3.2 g/t Au over 72 meters. Lannister Mining says this gives significant implied mine design optimization flexibility.

Read this answer in the full FAQ

Does Basin Gulch have a mineral resource estimate?

Not yet. Lannister Mining plans a Maiden Mineral Resource Estimate that will use historical drilling and 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. Historical results are not a current mineral resource.

Read this answer in the full FAQ

How many holes have been drilled at Basin Gulch?

More than 320 historical drill holes have been completed at Basin Gulch. Lannister Mining plans to use this historical drilling, together with new work programs, in a future Maiden Mineral Resource Estimate after confirmation drilling of the historical intercepts.

Read this answer in the full FAQ

How many claims does Basin Gulch include?

Basin Gulch includes 64 claims: 11 patented and 53 unpatented mining claims covering 1,107 hectares in total. Lannister Mining describes this as a large, highly prospective consolidated land package with multiple high-priority targets near the historic resource.

Read this answer in the full FAQ

Where is Basin Gulch located?

Basin Gulch is in west-central Montana, in the historic Philipsburg Mining District. The property has year-round access from Philipsburg, MT on paved and well-maintained gravel roads, and it is about one hour from Butte, MT.

Read this answer in the full FAQ

How can I learn about investing in Lannister Mining?

Start with the company's investor materials on lannistermining.com, including the June 2026 USA investor presentation. Lannister Mining's investor relations contact is Ken Cotiamco at 604-687-7130 or IR@lannistermining.com. Speak with a licensed advisor before investing; this site is not investment advice.

Read this answer in the full FAQ

Published by Lannister Mining