Skip to content
Lannister Mining

Historical drilling

Historical drilling at Basin Gulch

Last updated:

What did historical drilling find at Basin Gulch?

Historical drilling at Basin Gulch returned long near-surface gold intervals, including 1.8 g/t gold over 162 meters and 0.66 g/t gold over 326 meters, both from surface.

More than 320 historical drill holes have been completed on the property. Lannister Mining reports these results as historical and plans expansion and confirmation drilling of historical intercepts before using them, together with new work, in a Maiden Mineral Resource Estimate.

Drill hole intersectionsHighlight historical intersections reported by Lannister Mining. Not a current resource.

  1. 1.8 g/t Au

    over 162 m (531.5 ft), from surface

  2. 0.66 g/t Au

    over 326 m (1,069.6 ft), from surface

  3. 3.2 g/t Au

    over 72 m (236.2 ft), from surface

  4. 156 g/t Au

    over 3 m (9.8 ft)

  5. 25 g/t Au

    over 14 m (45.9 ft)

Bar length shows interval length in metres, not grade.

Trench highlightsHistorical trench results reported by Lannister Mining, gold and silver. Not a current resource.

  1. 62 g/t Au and 32 g/t Ag

    over 159 m (521.7 ft)

  2. 4 g/t Au and 23 g/t Ag

    over 146 m (479 ft)

  3. 5 g/t Au and 54 g/t Ag

    over 34 m (111.6 ft)

  4. 25 g/t Au and 45 g/t Ag

    over 61 m (200.1 ft)

Bar length shows interval length in metres, not grade.

How to read these results

Each line in Lannister Mining's Basin Gulch results pairs a grade with a length. Grade, in grams per tonne (g/t), is the average metal content over that interval. Length is how far the drill hole or trench ran through mineralized rock. A high grade over a short length, such as 156 g/t gold over 3 meters, tells a different story than a moderate grade over a long length, such as 0.66 g/t gold over 326 meters.

Results marked "from surface" started at the top of the hole, which is relevant to near-surface oxide mineralization and future mine design.

Why confirmation drilling comes next

Historical data can guide targeting, but modern resource reporting under NI 43-101 or S-K 1300 standards generally requires verification with current methods and quality controls. Lannister Mining plans expansion and confirmation drilling of historical intercepts, then drilling of additional mineralized target areas within the property.

Until that work is complete, these figures should be read as historical results only, not as a mineral resource or reserve.

Cross-section map of historical drilling at Basin Gulch
Historical drilling map, from Lannister Mining.

Which results matter most for a future resource?

The long intervals from surface, 162 meters, 326 meters and 72 meters, are the ones most relevant to bulk tonnage potential, because they show continuous mineralization starting at the top of the hole. The short, very high grade intervals, such as 156 g/t gold over 3 meters and 25 g/t gold over 14 meters, point to higher grade zones that new drilling can follow.

The trench results add silver to the picture, with up to 54 g/t silver over 34 meters. Learn more on the Basin Gulch Property page or the Lannister Mining home page.

Common questions

Read all questions about Lannister Mining
What are the best historical drill results at Basin Gulch?
Highlight historical intersections reported by Lannister Mining include 1.8 g/t gold over 162 meters from surface, 0.66 g/t gold over 326 meters from surface, 3.2 g/t gold over 72 meters from surface, 156 g/t gold over 3 meters, and 25 g/t gold over 14 meters. These are historical results that require confirmation drilling.
What does g/t mean in drill results?
g/t means grams per tonne, the amount of metal in each tonne of rock. A result such as 1.8 g/t gold over 162 meters describes the average grade across that length of drill core. Grade and length together help geologists judge whether a zone could support a resource.
What is confirmation drilling?
Confirmation drilling is new drilling designed to verify historical results using current methods and quality controls. Historical data can be valuable but usually needs to be checked before it supports a modern resource estimate. Lannister Mining plans expansion and confirmation drilling of historical intercepts at Basin Gulch.
What is trenching in mineral exploration?
Trenching means digging shallow trenches across mineralized ground to sample rock directly at or near surface. It is a low-cost way to test near-surface zones. At Basin Gulch, Lannister Mining reports historical trench results with both gold and silver grades across lengths from 34 to 159 meters.
Does Basin Gulch have a current mineral resource estimate?
Not yet. Lannister Mining is working toward a Maiden Mineral Resource Estimate, which by definition would be the first for the project under current reporting rules. Historical drilling and new work programs are intended to support that estimate after expansion and confirmation drilling of historical intercepts.

Want to discuss the historical dataset?

Exploration partners can ask Lannister Mining about the more than 320 historical drill holes at Basin Gulch.

Contact Lannister Mining