CAJ | 학술논문

　　长板庵铁矿位于新元古界栾川群煤窑沟组的一套中基性斜长角闪岩脉，由于地层时代较老，受多期构造运动影响，变质作用强烈。岩石裂隙较发育，造成岩石较破碎，风化作用较普遍。矿层全铁、磁性铁品位均较低，达不到一般工业要求，但由于风化作用，岩石松软，有用矿物磁铁矿变得易选易采，成本降低，仍有一定的经济价值。
　　장판암철광위우신원고계란천군매요구조적일투중기성사장각섬암맥，유우지층시대교로，수다기구조운동영향，변질작용강렬。암석렬극교발육，조성암석교파쇄，풍화작용교보편。광층전철、자성철품위균교저，체불도일반공업요구，단유우풍화작용，암석송연，유용광물자철광변득역선역채，성본강저，잉유일정적경제개치。
Changbanan?iron?ore?is?located?at?the?upper?proterozoic?Meiyaogou?Formation?Luanchuan?rock?group,?it?is?a?set?of?basic?long?oblique?Angle?dike.?Due?to?the?stratigraphic?age?is?old,?affected?by?multiphase?tectonic?movement,?metamorphism?is?strong.?Rock?fracture?well?developed,?lead?to?the?rock?broken,?and?weathering?is?common.?Seam?total?iron,?magnetic?iron?grade?is?low,?can?not?meet?the?general?industrial?demand.?However,?the?rock?is?soft?due?to?weathering,?useful?mineral?magnetite?is?becoming?easy?to?choose?easy?to?gather,?and?the?cost?is?reduced,?so?it?is?still?with?some?economic?value.