摘要
Forskarntypedeposits,therearetwokindsofskarns,skarnformedbyfiltrating-diffusingmetasomatismandveinskarnformedbyfilling.Theveinskarn,discussedthispaperandconsideredtobemagmaticgenesis,ischaracterizedby:(1)occurringasveinwithdistinctboundarieswithcountryrocks,yetjustthesameeveninmarbleeasytobereplaced;(2)composedofamineralassemblagesimi-lartothatofgranite,containingpegmatiteaswellascoarseskarnmineralpockets,andsometimestran-sitedwithdikerocks;(3)clearcrystallinefeatureofdeposition;(4)sideronintietexture;(5)showingvesicular,bean-likeandflowstructures;(6)verycommonliquidimmiscibility;(7)verticalzoningofgravitationaldifferentiationcausedbyvolatileconcentrationupwards;(8)associatedandtransitedwithiron-copperorebodiesofmagmaticgenesisandtungsten-bearingquartzveinsofsilicatemagmaticgene-sisrichinvolatile;(9)meltinclusions.Twooriginsofskammagma,originatedbyassimilationofsilicatemagmaatitsemplacem
出版日期
1993年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
