Hardrock Mining Reform Act of 1993

[AI summary unavailable — showing source text] Hardrock Mining Reform Act of 1993 - Renames the Act of July 23, 1955, as the Surface Resources Act of 1955, and the Act of July 31, 1947, as the Materials Act of 1947. Sets forth fees for mining claim location and maintenance, including waivers and reduced fees for claimants holding fewer than 50 claims. Amends certain Federal mining law to limit the requirement that at least $100 worth of labor or improvements be performed annually on claims located after May 1872 to claims that are eligible for a waiver or reduced fee under this Act. Imposes royalties upon the production and sale of locatable minerals from any mining claim located after enactment of this Act. Establishes the Hardrock Mining Royalty Review Commission to review and report to certain congressional committees on the effect of such royalties upon the hardrock mining industry. Sets forth limitations upon federally issued mining patents and conditions requiring reversion to the United States. Prohibits mineral activities on Federal land that cause more than a minimal disturbance of surface resources unless a plan of operations has been approved by the Secretary of the Interior. Mandates that: (1) all operations under s…