Testing for Pb isotopic differences between minerals in the Kiglapait layered intrusion by LA-ICP-MS,Chemical Geology

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Testing for Pb isotopic differences between minerals in the Kiglapait layered intrusion by LA-ICP-MS
Chemical Geology ( IF 3.6 ) Pub Date : 2020-03-01 , DOI: 10.1016/j.chemgeo.2020.119475
Anaïs Fourny , James S. Scoates , Dominique Weis , Marghaleray Amini

Abstract Mineral-scale Pb isotopic variations in cumulates of the Kiglapait intrusion, the largest troctolitic intrusion of the Proterozoic Nain Plutonic Suite in Labrador (Canada), are evaluated directly in thin section by single spot LA-ICP-MS analysis of minerals with low Pb concentrations (e.g., plagioclase = 0.31–3.3 ppm, clinopyroxene = 0.06–1.1 ppm) at high spatial resolution (

中文翻译：

使用 LA-ICP-MS 测试 Kiglapait 层状侵入体中矿物之间的 Pb 同位素差异

摘要 Kiglapait 侵入体是拉布拉多（加拿大）元古界 Nain 深成岩系中最大的压延侵入体，通过对低 Pb 矿物的单点 LA-ICP-MS 分析直接在薄片中评估了矿物尺度 Pb 同位素变化高空间分辨率下的浓度（例如，斜长石 = 0.31–3.3 ppm，单斜辉石 = 0.06–1.1 ppm）（

更新日期：2020-03-01

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