Combined apatite fission-track dating, chlorine and REE content analysis by LA-ICPMS

• 来源期刊: 科学通报（英文版）
• 年，卷（期）: 2017,（22）
• 页码范围: 1497-1500
• 页数: 4页
• 语种: 英文

摘要

As one of the best established low temperature thermochronology techniques,apatite fission-track (AFT) analysis has proved an important tool for constraining a wide variety of upper crustal processes,e.g.,landscape evolution,hydrocarbon exploration and tectonics [1].The most common method employed for AFT analysis is the external detector method (EDM) [1] and this involves the thermal neutron irradiation of samples for determination of 238U content.But this approach is often problematic due to poorly thermalized neutron fluxes,non-uniformly distributed neutrons,long turn-round times and the necessity for handling of radioactive material [1,2].To overcome these limitations,recent experiments have been carried out to directly measure the apatite 238U content by laser ablation-inductively coupled plasma mass spectrometry (LA-ICPMS) [3].