价值工程
價值工程
개치공정
VALUE ENGINEERING
2014年
23期
312-313,314
,共3页
铝土矿%地球化学特征%濯水%贵州务川
鋁土礦%地毬化學特徵%濯水%貴州務川
려토광%지구화학특정%탁수%귀주무천
aluminum deposit%geochemistry features%Zhuoshui%Wuchuan of Guizhou
贵州务川濯水铝土矿研究区为中国地质调查局铝土矿远景调查项目的新发现之一，该铝土矿产于志留系韩家店组（S1-2hj）页岩或石炭系黄龙组（C2h）灰岩侵蚀面上的二叠系大竹园组（P2d），赋矿围岩主要为炭质页岩和铝土质粘土岩，矿床分布受向斜构造控制；地球化学研究显示，矿床中Al2O3与TiO2含量成正相关关系，与SiO2含量成负相关关系；不同岩矿石的稀土总量（撞REE）含量变化大，LREE/HREE均大于1，显示轻稀土较富集，铝土矿中Al2O3含量和稀土总量（撞REE）呈负相关关系；矿床成因属古风化壳沉积型铝土矿。
貴州務川濯水鋁土礦研究區為中國地質調查跼鋁土礦遠景調查項目的新髮現之一，該鋁土礦產于誌留繫韓傢店組（S1-2hj）頁巖或石炭繫黃龍組（C2h）灰巖侵蝕麵上的二疊繫大竹園組（P2d），賦礦圍巖主要為炭質頁巖和鋁土質粘土巖，礦床分佈受嚮斜構造控製；地毬化學研究顯示，礦床中Al2O3與TiO2含量成正相關關繫，與SiO2含量成負相關關繫；不同巖礦石的稀土總量（撞REE）含量變化大，LREE/HREE均大于1，顯示輕稀土較富集，鋁土礦中Al2O3含量和稀土總量（撞REE）呈負相關關繫；礦床成因屬古風化殼沉積型鋁土礦。
귀주무천탁수려토광연구구위중국지질조사국려토광원경조사항목적신발현지일，해려토광산우지류계한가점조（S1-2hj）혈암혹석탄계황룡조（C2h）회암침식면상적이첩계대죽완조（P2d），부광위암주요위탄질혈암화려토질점토암，광상분포수향사구조공제；지구화학연구현시，광상중Al2O3여TiO2함량성정상관관계，여SiO2함량성부상관관계；불동암광석적희토총량（당REE）함량변화대，LREE/HREE균대우1，현시경희토교부집，려토광중Al2O3함량화희토총량（당REE）정부상관관계；광상성인속고풍화각침적형려토광。
The study area of Zhuoshui aluminum in Wuchuan of Guizhou is one of the new finding, which is found by the item of aluminum deposit's prospective study in Chinese Geological Survey. This aluminum deposit comes from the P2d up the erosion surface of the shale in S1-2hj or the limestone in C2h. The mostly host volcanic rock of the deposit is calcareous shale and alumina claystone. And the distribution of the deposit is controlled by the synclinal structure. The research of the geochemistry shows that, the content of Al2O3 is correlated positive with the TiO2, while negatively with the SiO2. The total of the rare earth element is various from different rock. And the value of the LREE/HREE is more than 1 in usual. The LREE is relative rich. In the rock, the content of the Al2O3 is correlated negative with the total of the rare earth element. And the origin of the deposit belongs to the sediment aluminum deposit in the old crust of weathering.
