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Glamis Gold

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Glamis Gold was a North American gold producer that developed and operated mines in the Americas before being acquired by Goldcorp in 2006.

Last updated August 31, 2026

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Overview

Glamis Gold Ltd. was a gold-mining company headquartered in Reno, Nevada, with a corporate history that began in Canada. Founded in 1972 as Rennick Resources Ltd., it initially operated as a mineral-exploration business. Following several corporate reorganizations, the company adopted the Glamis Gold name in 1977. Its headquarters were later moved to Nevada, in part to support the pursuit and development of mining claims in California. The company became associated with the development of relatively low-grade gold deposits using heap-leach extraction. In this process, ore is placed on engineered pads and treated with a chemical solution that dissolves gold for recovery. Glamis was described as a pioneer of the heap-leach method, which helped make the large-scale exploitation of certain surface and near-surface deposits commercially viable. The method also became the focus of environmental and regulatory criticism because cyanide-based heap leaching can create significant risks if facilities are poorly designed, operated, or closed. Glamis's producing assets included the Rand mine in California, the Marigold mine in Nevada, and the San Martin mine in Honduras. These operations gave the company a presence across the Americas and made it a significant mid-sized gold producer. Its business was centered on exploration, mine development, extraction, processing, and the sale of gold rather than on a consumer-facing product portfolio. One of the company's most consequential projects was a proposed large open-pit, cyanide heap-leach mine in California. The proposal underwent a six-year review process involving extensive public participation. In 2001, the United States Department of the Interior denied the permit for the project. Glamis challenged that decision through the courts, making the project an important example of the regulatory, environmental, and legal issues surrounding modern gold mining. The dispute also affected the company's public identity, placing its development strategy in tension with concerns about landscape disturbance, water protection, cyanide use, and federal land-management decisions. In 2006, Glamis reported production of 620,000 ounces of gold at a total cash cost of US$190 per ounce. Later that year, Goldcorp announced an agreement to acquire Glamis Gold in a transaction valued at approximately US$8.6 billion. The deal combined Goldcorp's assets with Glamis's producing mines and development portfolio, creating one of the world's largest gold-mining companies at the time. The acquisition was completed in November 2006, ending Glamis Gold's independent existence as a publicly traded mining company. Its operations and assets subsequently became part of Goldcorp's portfolio and, through later industry consolidation, were associated with the successor ownership structure of Goldcorp.

History

Glamis Gold originated in 1972, when the company was established in Vancouver, Canada, as Rennick Resources Ltd., a mineral-exploration enterprise. After several reorganizations, it changed its name to Glamis Gold in 1977. The company later moved its headquarters to Nevada, a location that supported its efforts to pursue mining claims and develop gold properties in the western United States. The company built its business around gold exploration, mine development, and production in the Americas. Its producing properties included the Rand mine in California, the Marigold mine in Nevada, and the San Martin mine in Honduras. Glamis became particularly associated with heap-leach gold recovery, a technique in which crushed ore is treated on specially prepared pads with a chemical solution to extract gold. The method enabled the commercial development of certain large, lower-grade deposits, although cyanide heap leaching and large open-pit mining also generated substantial environmental and regulatory debate. During the 1990s, Glamis proposed a major open-pit, cyanide heap-leach project in California. The proposal went through a six-year governmental review with extensive public participation. In 2001, the United States Department of the Interior denied the permit required for the project. Glamis pursued legal challenges to the decision, making the proposed mine one of the most prominent regulatory issues in the company's history. The dispute reflected broader tensions between mineral development and concerns involving land disturbance, chemical use, environmental protection, and federal oversight. Glamis remained an active gold producer during the first half of the 2000s. In 2006, it reported production of 620,000 ounces of gold at a total cash cost of US$190 per ounce. That same year, Goldcorp announced that it would acquire Glamis Gold for approximately US$8.6 billion. The transaction brought together Goldcorp's existing business and Glamis's producing mines and other gold assets. It was completed in November 2006, after which Glamis ceased operating as an independent public company. Its assets were absorbed into Goldcorp and later became part of the broader lineage of assets affected by subsequent consolidation in the gold-mining industry.

  • 2006

    Reported production of 620,000 ounces

    [1]

    Glamis reported production of 620,000 ounces of gold at a total cash cost of US$190 per ounce.

  • 2006

    Acquired by Goldcorp

    [1]

    Goldcorp announced and completed its approximately US$8.6 billion acquisition of Glamis Gold during 2006; completion occurred in November.

  • 2001

    California mine permit denied

    [1]

    The United States Department of the Interior denied a permit for Glamis's proposed California open-pit, cyanide heap-leach mine after a six-year review.

  • 1977

    Company renamed Glamis Gold

    [1]

    Following several reorganizations, the company adopted the Glamis Gold name.

  • 1972

    Company founded as Rennick Resources

    [1]

    Rennick Resources Ltd. was established in Vancouver, Canada, as a mineral-exploration company.

Products and positioning

A North American gold producer focused on open-pit mining, heap-leach processing, and the development of gold assets in the United States and Central America.

  • Gold mine

    Rand mine

    The Rand mine in California was one of Glamis Gold's producing gold properties. It formed part of the company's western United States operating base and contributed to its overall gold-production portfolio.

  • Gold mine

    Marigold mine

    The Marigold mine in Nevada was a producing gold operation associated with Glamis Gold. Its inclusion in the company's portfolio reflected Glamis's concentration on open-pit and heap-leach production in the western United States.

  • Gold mine

    San Martin mine

    The San Martin mine in Honduras was one of Glamis Gold's producing projects and extended the company's operating presence into Central America.

Brand decisions

  • 2006

    Agreement to be acquired by GoldcorpM&A

    Background

    Glamis was a significant gold producer with operations and projects in the Americas, while Goldcorp was pursuing greater scale in the gold-mining sector.

    Action taken

    Goldcorp announced an approximately US$8.6 billion acquisition of Glamis Gold.

    Aftermath

    The transaction closed in November 2006 and Glamis ceased to exist as an independent publicly listed company. The combination created one of the world's largest gold-mining companies at the time.

    Transaction value. Approximately US$8.6 billion (Announced in 2006; completed in November 2006)

  • 2001

    Challenge to California mine permit denialStrategy

    Background

    The Department of the Interior denied a permit for Glamis Gold's proposed large open-pit, cyanide heap-leach mine in California after a lengthy review and public-comment process.

    Action taken

    Glamis challenged the permit denial through the courts.

    Aftermath

    The project did not receive the requested permit during the period covered by the reference material, and the dispute became a notable regulatory and legal episode in the company's history.

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