Zephyr Minerals Ltd., through its subsidiary, Zephyr Gold USA Ltd., engages in the exploration, evaluation, and development of mineral properties in Canada and the United States. It explores for gold, silver, zinc, and lead deposits. The company holds a 100% interest in the Dawson-Green Mountain project comprising 140 unpatented mining claims, 11 patented lode mining claims, two patented placer mining claims, and one state lease covering an area of 1,446 hectares located in Colorado, the United States; and a key mineral claim, the Judith Placer Mining Claim at its Dawson gold project in Colorado. Zephyr Minerals Ltd. was incorporated in 2010 and is headquartered in Halifax, Canada.