Thisbookisofinterestregardingacidminedrainage(AMD),animportantenvironmentalproblemcausedbythenaturalweatheringofmetalsulfidesduringtheutilizationofmineralresources.IntheAMD-contaminatedwatershedenvironment,alargenumberofmetastableiron-sulfatesecondarymineralsareoftenformed,whichcanadsorbandco-precipitateheavymetalswithinAMD.Atthesametime,mineraltransformationdeterminestherereleasebehaviorofheavymetalsandtheirfateindifferentphases.Thisbookintroducesthescientificproblemsofbiochemicallycontrolledprocessesandheavymetalreleasemechanismsdrivenbyvariousenvironmentalfactorsasfollows:①migrationandfateofmetallicelementsinthemudimpoundmentandtheaffectedriver;②SO24-migrationinanAMD-affectedriver;③mineralogicalcharacteristicsofsedimentsinanAMD-affectedriver;④Fe-andS-metabolizingmicrobialcommunitiesinanAMD-affectedriverecosystem;⑤chemicalandbiologicaltransformationsofsecondarymineralphasesinAMD-affectedriversediments.Thistheoreticalframeworkwillhelptoclarifythemigrationpathwaysandinternalmechanismofheavymetalsinminingareas,thusprovidinginsightintothepreventionandcontrolofheavymetalpollutioninsuchareas.