---
title: "Liberty Star Expands Arizona District-Scale Mineral Footprint"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/283520747.md"
description: "Liberty Star Uranium & Metals Corp. has announced the staking of 13 additional mineral exploration permits in southeast Arizona, expanding its total mineral footprint to approximately 45 square miles. This makes Liberty Star's Hay Mountain Holdings LLC the largest mineral footprint in Arizona not controlled by a major mining company. The consolidation includes key targets in the Tombstone Mining District, positioning the company to attract significant mining partners in the U.S. copper and critical minerals sector."
datetime: "2026-04-21T14:31:35.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/283520747.md)
  - [en](https://longbridge.com/en/news/283520747.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/283520747.md)
---

# Liberty Star Expands Arizona District-Scale Mineral Footprint

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Liberty Star Uranium & Metals ( (LBSR) ) has provided an announcement.

On April 20, 2026, Liberty Star Uranium & Metals Corp. announced it had staked an additional 13 mineral exploration permits covering about 11 square miles in southeast Arizona, bringing its total mineralized footprint to roughly 45 square miles. This expansion, following a prior round of permits in March 2026, makes its Hay Mountain Holdings LLC the largest mineral footprint in Arizona not controlled by a major mining company.

The newly staked claims complete the company’s planned district-scale consolidation in the Tombstone Mining District, securing all targets defined by geologic mapping, rock sampling, and IP surveys. The consolidated land package now includes the Earp Ridge Mines LLC multi-mineral claims and the Red Rock Mines LLC gold target, positioning Liberty Star to court a significant mining partner and strengthen its role in a key U.S. copper and critical minerals jurisdiction.

**More about Liberty Star Uranium & Metals**

Liberty Star Uranium & Metals Corp., doing business as Liberty Star Minerals, is a U.S. mineral exploration company focused on strategic and commercially important critical minerals in southeast Arizona. The company targets multi-mineral opportunities, including gold, copper, molybdenum, and other critical minerals within the prolific porphyry copper belt and Tombstone Mining District.

**Average Trading Volume:** 374,895

**Technical Sentiment Signal:** Sell

**Current Market Cap:** $2.47M

For an in-depth examination of LBSR stock, go to TipRanks’ Overview page.

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