Nature
Brooks Mountain, the highest peak in the York Mountains on Alaska’s Seward Peninsula, rises 2,918 feet near a drainage divide between waters flowing to the Arctic Ocean and the Bering Sea. As an extension of the York range, it is the source area for several local streams and has long been reached from the coast, Port Clarence, and nearby airstrips. The mountain is especially important for its mineral geology. Studies beginning in 1902 identified altered limestones and black slates cut by igneous dykes, while later surveys focused on zeunerite, a uranium mineral, and nearby tin-bearing formations. Investigations in 1951 found high-grade uranium at three sites.
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Brevig Mission, Alaska · United States
