山东国土资源2016,Vol.32Issue(3):10-16,7.
玲珑金矿西山脉岩 SHRIMP 锆石 UPb 年龄
Zircon SHRIMP U Pb Age of Xishan Vein Rock in Linglong Gold Deposit
摘要
Abstract
SHRIMP IIe MC has the characteristics of high resolution,high sensitivity,high precision,trace analysis and in-situ analysis.In-situ istopic analysis within the scope of 20μm can be carried out.Thus, the original property of the determination object can be kept.Zircon oxygen isotopic value of Xishan vein rocks in Linglong gold deposit shows the characteristics of mantle-derived source.It also has the charac-teristics of crust source.It indicates the contribution of recycled crust or sediments.As showed by SHRIMP U Pb zircon dating,rock-forming age of No.55 vein is (125.80±0.86)Ma,metallogenic age is the early Cretaceous;while rock-forming age of Houdi gold deposit is (142.77 ±0.96)Ma,and metallo-genic age is the early Yanshan.关键词
SHRIMP/脉岩/西山矿区/玲珑金矿Key words
SHRIMP/vein rock/Xishan mining area/Linglong gold deposit分类
天文与地球科学引用本文复制引用
孙雨沁,马晓东,牛志力,程伟,张岩,李敏..玲珑金矿西山脉岩 SHRIMP 锆石 UPb 年龄[J].山东国土资源,2016,32(3):10-16,7.基金项目
山东胶东金矿与深源脉岩关系研究(鲁勘字[2011]56号) (鲁勘字[2011]56号)