uranium deposit

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uranium deposit Ore deposit containing more than 350 p.p.m. uranium. Six types are recognized: pegmatitic (see PEGMATITE) together with disseminated magmatic deposits; hydrothermal veins and stockworks (see HYDROTHERMAL ACTIVITY; and HYDROTHERMAL MINERAL); vein-unconformity deposits (see VEIN DEPOSIT); sandstone deposits; placer deposits; and phosphatic limestones and black-shale deposits.