pan lang="EN-US">Jilin Baishan Ercha iron ore is located in Sino-Korean paraplatform,Liaodong anticlise,Tieling Jingyu platform arch,central south edge of Longgang block,the larger depression occurred early Archaean in the region widely,it deposited a thick clay,sandy clastic,In which deposited silicon iron deposition and accompanied by the volcanicpan>pan style="font-family: 宋体; mso-ascii-font-family: ’times new roman’; mso-hansi-font-family: ’times new roman’">（pan>pan lang="EN-US">basicpan>pan style="font-family: 宋体; mso-ascii-font-family: ’times new roman’; mso-hansi-font-family: ’times new roman’">）pan>pan lang="EN-US"> magma eruption,the strong orogeny made these sedimentary rocks strong extrusion,formed folds and regional fault at the end of the Archaean.The medium high degree regional metamorphism and hybridization occurred in Archaean terrain with strong orogeny.The regional metamorphism and hybridization had important significance on the formation of the volcano-diagenetic metamorphism iron.They estimate basic reservepan>pan style="font-family: 宋体; mso-ascii-font-family: ’times new roman’; mso-hansi-font-family: ’times new roman’">（pan>pan lang="EN-US">122bpan>pan style="font-family: 宋体; mso-ascii-font-family: ’times new roman’; mso-hansi-font-family: ’times new roman’">）pan>pan lang="EN-US"> 302600 tons and resource extentpan>pan style="font-family: 宋体; mso-ascii-font-family: ’times new roman’; mso-hansi-font-family: ’times new roman’">（pan>pan lang="EN-US">333pan>pan style="font-family: 宋体; mso-ascii-font-family: ’times new roman’; mso-hansi-font-family: ’times new roman’">）pan>pan lang="EN-US"> 114400 tons of Ercha iron ore.pan>
