温馨提示:本站仅提供公开网络链接索引服务,不存储、不篡改任何第三方内容,所有内容版权归原作者所有
AI智能索引来源:http://www.eb.com/technology/mining/Dredging
点击访问原文链接

Mining - Dredging, Extraction, Reclamation | Britannica

SUBSCRIBESUBSCRIBESUBSCRIBEHomeHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyGames & QuizzesVideosOn This DayOne Good FactDictionaryNew ArticlesHistory & SocietyLifestyles & Social IssuesPhilosophy & ReligionPolitics, Law & GovernmentWorld HistoryScience & TechHealth & MedicineScienceTechnologyBiographiesBrowse BiographiesAnimals & NatureBirds, Reptiles & Other VertebratesEnvironmentFossils & Geologic TimeInsects & Other InvertebratesMammalsPlantsGeography & TravelGeography & TravelArts & CultureEntertainment & Pop CultureLiteratureSports & RecreationVisual ArtsImage GalleriesPodcastsSummariesTop QuestionsLists and StoriesBritannica KidsAsk the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideosminingIntroductionHistoryProspecting and explorationProspectingExplorationDelineationSurface miningOpen-pit miningPit geometryOre reservesUnit operationsQuarryingPit geometryUnit operationsUnderground miningMine developmentVertical openings: shafts and raisesHorizontal openings: driftsVentilation and lightingWater controlMining flat-lying depositsRoom-and-pillar miningLongwall miningMining steeply dipping depositsBlasthole stopingShrinkage stopingCut-and-fill miningSublevel cavingMining massive depositsPlacer miningLand-based operationsPanningSluicingMechanized methodsFloating-plant operationsDragline or backhoeDredgingMarine miningSeawaterEvaporation of seawaterEvaporation of effluentsMarine beaches and continental shelvesThe seafloorSolution miningBrine solution miningFrasch sulfur recoveryReferences & Edit HistoryRelated TopicsImages & Videosmining summaryTechnologyIndustryminingPlacer miningFacebookXhttps://www.britannica.com/technology/miningThompson Rivers University - Environmental Geology - Mining and Ore ProcessingBMC - Environmental Evidence - Evidence of the impacts of metal mining and the effectiveness of mining mitigation measures on social–ecological systems in Arctic and boreal regions: a systematic map protocolGeosciences LibreTexts - MiningMassachusetts Institute of Technology - MiningMiningUSA.comABC listen - Saturday Extra - Miningmining - Children's Encyclopedia (Ages 8-11)mining - Student Encyclopedia (Ages 11 and up)John Lawrence Mero President, Ocean Resources, Inc., La Jolla, California. Author of The Mineral Resources of the Sea.AllBritannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....Historyplacer depositbucket-laddertoolcircuitsclamshell dredgemechanical systemcharacterizedwaterhydraulic dredginggraveltintungstenniobiumtantalumtitaniumcutter suction dredgesoilcentrifugal pumpslurryspudspecific gravitysaltbucket-wheel dredgecharacteristicsgoldWilliam Andrew Hustrulidsea leveltechnologymineralSeawaterconstituentssodiumsulfatemagnesiumcalciumpotassiumbromineDead SeaGreat Salt LakesaltsevaporationenergycriteriatransportationimperviousbrinefacilitateSee all videos for this articlesolar pondsdiscardeffluentsconversion

智能索引记录