学科分类
/ 1
2 个结果
  • 简介:<正>Polyhalite(K2SO4·MgSO4·2CaSO4·2H2O)isoneoftheinsolublepotassiummineralwhichiswidelydistributedinsulfate-typepotassium-bearingdeposit,andthetheoreticalconcentrationofK2SO4is28%.Itcanbedirectlyusedasa

  • 标签: POLYHALITE potassium-rich BRINE LEACHING calcium CHLORIDE
  • 简介:ItisanacceptedfactthatthemainsolidphasesupportforpotassiumintheSichuanBasinispolyhalite[K2MgCa2(SO4)4·2H2O]ratherthansylvineis(KCl)(GongDXetal.,2015).Themineraltypes,occurrencecharacteristicsandmetasomatismofthepolyhalitebearingore-bedwereidentifiedandtheoriginofthepolyhalitewasdiscussed.ThepolyhalitesampleswereobtainedfromthecoreofZ12,locatedinDalongVillage,Guang'anCityofcentralSichuan.Thesamplingdepthswere2974m(s-1),3023m(s-2)and3106m(s-3).Themicrobeamanalysisofback-scatteringimageswascarriedoutusingaShimadzuEPMA-1720Serieselectronprobemicro-analyzer,supplementedbyaquantitativespectrumanalysisthatdeterminedthemineraltypes.

  • 标签: FEATURES of MICRO-FABRIC the GENETIC study