CAJ | 학술논문

四川省雷波县小沟磷矿位于康滇地轴东缘川滇成磷带北段,是雷波县十二大磷矿区之一.矿床赋存于寒武系下统麦地坪组第二段,呈层状展布于司机坪背斜两翼,矿层具有双层结构,矿石矿物为泥晶磷灰石、细晶磷灰石、纤维集晶磷灰石;脉石矿物主要为玉髓、石英、白云石和方解石;矿石自然类型为块状砂屑凝胶磷块岩,条纹条带状粉晶砂屑凝胶磷块岩和孔状砂屑磷块岩.矿床属浅海潮下浅滩相碳酸盐岩磷块岩矿床.
사천성뢰파현소구린광위우강전지축동연천전성린대북단,시뢰파현십이대린광구지일.광상부존우한무계하통맥지평조제이단,정층상전포우사궤평배사량익,광층구유쌍층결구,광석광물위니정린회석、세정린회석、섬유집정린회석;맥석광물주요위옥수、석영、백운석화방해석;광석자연류형위괴상사설응효린괴암,조문조대상분정사설응효린괴암화공상사설린괴암.광상속천해조하천탄상탄산염암린괴암광상.
The the Xiaogou phosphorite deposit in Leibo, Sichuan lies in the north of Sichuan-Yunnan phosphorite belt on the eastern margin of the Kangdian Axis. The deposit is confined to the 2nd Member of the Lower Cambrian Maidiping Formation and occurs as stratified form in two limbs of the Sijiping anticline. Ore minerals are apatite micrite, aplitic apatite and fibrous apatite, gangue minerals are chalcedony, quartz, dolomite and calcite. Natural type of ore are massive psammitic grlinite phsphorite, ribbon crystal powder grlinite phsphorite and porous psammitic phsphorite. The deposit was deposited in sublittoral shoal environment.