Idaho REE-Th Belt

Project Stage:

Exploration

# of Projects:
Mineral Claims:
+
acres

Overview

It has long been Idaho Strategic’s philosophy that in order to better predict the future and therefore recognize opportunities, one must begin by understanding and comprehending history. Following the Manhattan Project and the successful production of nuclear weapons in the 1940’s, the United States began a nationwide search for radioactive elements including Uranium and Thorium. The subsequent research led to a competitive race between the two elements in which Thorium lost due to its lack of Plutonium as a waste product. At the time, the Plutonium waste product from Uranium fuelled reactors had value as the U.S. was entering the Cold War and focussed more on building up its nuclear arsenal rather than its low carbon energy production.

Now that the first nuclear era has largely ended, we are witnessing the beginning of the U.S.’ second nuclear era that is more focussed on low carbon energy production in the safest way possible, leading to a renewed interest in Thorium as our country’s preferred source of nuclear fuel. As an Idaho-based company with our country’s best interest in-mind, we have strategically acquired the Lemhi Pass Thorium/REE property in anticipation of the coming demand for both Thorium and REEs. Throughout the 1950s, Lemhi Pass was widely explored for Thorium and is regarded by the Atomic Energy Commission and the USGS as the largest concentration of Thorium resources in the country.

Thorium as a Nuclear Fuel

Thorium is more abundant in Earth's crust than uranium, potentially providing a more sustainable and domestically sourced fuel option for the US, reducing reliance on foreign uranium imports. Its use in reactors produces significantly less long-lived nuclear waste compared to traditional uranium fuel cycles, addressing environmental and disposal concerns that have plagued the industry. Thorium-based fuels offer enhanced safety features, such as lower meltdown risks in molten salt reactor designs, which could improve public acceptance and regulatory approval for new nuclear projects. The reduced production of plutonium and other weaponizable materials makes thorium less prone to nuclear proliferation, aligning with US non-proliferation goals amid global tensions. Recent innovations, like thorium-enriched uranium fuels compatible with existing reactors, could enable cost-effective transitions without overhauling infrastructure, positioning thorium as a bridge to advanced nuclear technologies.

Lemhi Pass is on the Cover

The Lemhi Pass area in central Idaho and parts of Montana is well-known and reported by the United States Geological Survey (USGS) as the largest thorium resource in the country. The USGS published the report (shown in the photo on the left) titled Thorium Deposits of the United States – Energy Resources for the Future?, circa 2009, in which they report on the thorium industry as a whole and our domestic sources. According to the report, “Lemhi Pass has 219 mapped veins enriched in thoria and REEs”, which run within the 70-mile long Idaho REE-Th Belt. Staatz reported that “the thorium veins are most often enriched in the middle REEs (especially neodymium), with some veins apparently enriched more in the heavy REEs” (Staatz, 1972a, p. 76–77). Recent analytical work by the Idaho Geological Survey and industry (Thorium Energy in 2008; Idaho Energy Resource Company in 1991) has supported the overall thorium and REE levels along with the observation of the unusual middle REE-group enrichment it Lemhi Pass.

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