The spread of trapeze industries (the creation of trapeze-shaped flint tips) during Late Mesolithic is one of the most disruptive phenomena of technological change documented in the European Prehistory. Understanding the chronological patterns of this process requires (i) a critical evaluation of stratigraphic relationship between trapeze assemblages and radiocarbon samples, and (ii) considering different levels of chronological uncertainty according to the inbuilt age of the samples and the calibration process. In this paper, we critically evaluate and analyze the radiocarbon record of the first trapeze industries in the Iberian Peninsula. A dataset of 181 radiocarbon dates from 67 sites dated to 8800–8200 cal BP was collected and evaluated following a strict data quality control protocol, from which 135 dates of 53 sites were retained and classified according to a reliability index. Then, three different phase Bayesian chronological models were created to estimate the duration of the first spread of trapezes across Iberia, considering different levels of chrono-stratigraphic resolution. We find that trapeze industries appeared in the eastern half of Iberia, over an area of 330,000 km2 between 8505–8390 and 8425–8338 cal BP, spanning 0–85 yr (95.4% CI). When the oldest evidence of trapezes from Portugal are considered, the probability distribution expands (8943–8457 and 8686–7688 cal BP), due to the chronological uncertainty of human samples with marine diet and regional ΔR values applied. For the eastern half of Iberia, the current evidence indicates a very rapid spread of trapeze industries initiated in the Central-Western Pyrenees, suggesting cultural diffusion within Mesolithic social networks as the main driving mechanism.

中石器时代晚期梯形工业的传播（梯形燧石尖端的创造）是欧洲史前记录中最具破坏性的技术变革现象之一。了解这一过程的年代模式需要（i）对梯形组合和放射性碳样品之间的地层关系进行严格评估，以及（ii）根据样品的内在年龄和校准过程考虑不同程度的年代不确定性。在本文中，我们批判性地评估和分析了伊比利亚半岛第一个空中飞人行业的放射性碳记录。根据严格的数据质量控制协议，收集了来自 67 个地点的 181 个放射性碳测年数据，并根据严格的数据质量控制协议进行了评估，其中保留了 53 个地点的 135 个日期，并根据可靠性指数进行了分类。然后，考虑到不同水平的年代地层分辨率，创建了三个不同阶段的贝叶斯年代模型来估计梯形在伊比利亚半岛首次传播的持续时间。我们发现，空中飞人产业出现在伊比利亚半岛东半部，面积超过 330,000 km 2，时间跨度为 8505-8390 和 8425-8338 cal BP，时间跨度为 0-85 年（95.4% CI）。当考虑来自葡萄牙的最古老的梯形证据时，由于应用海洋饮食和区域 ΔR 值的人类样本的时间顺序不确定性，概率分布扩大（8943-8457 和 8686-7688 cal BP）。对于伊比利亚的东半部，目前的证据表明，中西比利牛斯山脉中兴起的空中飞人产业迅速蔓延，这表明中石器时代社会网络内的文化传播是主要的驱动机制。