摘要
都龙锡锌多金属矿床的主要含矿岩石层状夕卡岩,顺层产出于中寒武统田蓬组片岩、大理岩中。本文通过层状夕卡岩的地质、岩石化学和稀土元素地球化学等特征的研究,提出其形成大致经历了热水沉积、区域变质和岩浆热液叠加等三个阶段,属于多因复成夕卡岩,并为矿床成因提供了佐证。
The stratiform skarn, which is associated with schist and marb le of the Tianpeng Group in the Middle Cambrian metamorphic series, is the main host rock of the Dulong tin-zinc polymetallic deposit. Based on the geological , petrochemical and REE geochemical characteristics, the authors suggested that the stratiform skarn in the Dulong tin-zinc polymetallic deposit belongs to the polygenetic skarn, whose forming process involved three stages: sedex, metamor phism and magma hydrothermalism.
出处
《矿物学报》
CAS
CSCD
北大核心
2000年第4期378-384,共7页
Acta Mineralogica Sinica
基金
国家自然科学基金!(批准号:49633110)
中国科学院地球化学研究所所长基金!(编号:200116)
关键词
层状夕卡岩
成因
地质地球化学
锡锌多金属矿床
stratiform skarn;geological and geochemical characteristics;gen esis;Dulong, Yunnp