摘要
新疆沙泉子铜铁矿属于东天山东部雅满苏-沙泉子成矿区,位于沙泉子深大断裂北侧,属沙泉子背斜南翼,出露地层属中石炭统沙泉子组中段一套中性(偏酸)火山岩、火山碎屑岩。文章成功获得5件锆石的裂变径迹,分析年龄为126±8 Ma^177±10 Ma,其中有两个样品年龄值为混合年龄,其主体年龄为177 Ma和240 Ma。锆石裂变径迹分属两个年龄组126±8 Ma^177±10 Ma和240Ma,为两个成矿期次,成矿时代为印支早期-燕山期。
The Shaquanzi copper-iron deposits belong to the Yamansu-Shaquanzi mineralizing area in the eastern part of East Tianshan, Xinjiang. It＇s geologically located at the north of Shaquanzi discordogenic fault and occurred as the southern limb of Shaquanzi anticline. In this region there exposed a set of neutral volcanic and pyroclastic rocks. This study has achieved 5 zircon fission track analysis results. The zircon fission track ages range from 1264-8 Ma to 177-4-10 Ma, and two samples of them have mixed ages which are 177 Ma and 240 Mao The zircon fission track ages are divided into two groups of 177 Ma and 240 Ma. We consider that the two age groups reflect two metallogenic epochs. The minerogenetic epoch is early Indosinian-Yanshanian.
出处
《中国矿业》
北大核心
2010年第4期105-108,共4页
China Mining Magazine
关键词
沙泉子
成矿年代
裂变径迹
Shaquanzi
minerogenetic epoch
fission track
