论文部分内容阅读
夏禹桥磷矿位于“扬子—钱塘准地槽系”中钱塘槽背斜的万市桥复背斜北东翼。矿层赋存于下寒武统荷塘组。含磷岩系在浙西一带出露完整,自东往西可分三个北东—南西向的含矿带。本矿区位于第二合矿带(中部相带)中,即余杭闲林埠—临安东部(经本矿)—富阳西部(经万市磷矿)—桐庐分水(经东溪磷矿)(图1)。“夏禹桥式”磷矿类型特殊,是浙江磷矿主要类型之一,在综合利用方面有广阔前景。鉴于本省严重缺磷,而浙西一带含磷岩系出露广泛,故研究本区磷矿成矿特征,当具十分重要意义。
Xia Yuqiao phosphate rock located in the “Yangtze - Qiantang quasi-geosyncline” in the Qiantang trough ancillary Wan Shiqiao anticlinal north east wing. The ore layer occurs in the Lower Cambrian Hetang Formation. Phosphorus rock series exposed in the integrity of western Zhejiang, from east to west can be divided into three north-southwest ore belt. The mining area is located in No.2 ore belt (middle facies belt), that is, Yuhang Freeport Port - Lin’an East (via this ore) - western Fuyang (via Wancheng Phosphate Mine) - Tonglu Diversion (via Dongxi Phosphate) ( figure 1). “Xia Yu bridge” Phosphate rock type is special, is one of the main types of phosphate rock in Zhejiang, in the comprehensive utilization has broad prospects. In view of the serious shortage of phosphorus in the province and the widespread occurrence of phosphorus-bearing rock series in the western Zhejiang, it is of great significance to study the mineralization characteristics of phosphate rock in this area.