Two mining e-marketplaces launched this week. Coalition e-marketplace Quadrem International Ltd. debuted its new name and formalized its management structure Monday at signing ceremonies in Las Vegas and London. The Net market moved from conception to launch in five months. The buy-sidedriven site was co-founded by more than a dozen metals and mining industry giants, including Alcoa Inc. and De Beers Consolidated Mines Ltd. SAP AG and Commerce One Inc. are providing technology for Quadrem. Also going live Tuesday was MiningXchange.com, an independent exchange launched by tech vendor Oracle Corp.; Unifize, the e-business venture of Asian entrepreneur Lucio Tan Jr.; Yapster e-conglomerate Inc, owners of Lepanto Consolidated Mining in Philippines; and Tennant Ltd., an Australian-based supplier to the mining industry. MiningXchange.com will run on Oracle Exchange.