Lu-hf dating

In all cases, the apatite U–Pb system records a secondary (metamorphic or metasomatic) overprint. To address this knowledge gap, we conducted four case studies to determine the resistivity of the apatite Lu–Hf system compared to the zircon and apatite U–Pb system. However, the robustness of the apatite Lu–Hf system has not been systematically examined. A recent development in laser-ablation Lu–Hf dating has opened a new opportunity to rapidly obtain apatite ages that are potentially more robust to isotopic resetting compared to traditional U–Pb dating.