The recognition of turbidity currents as an important geological agent of sediment transport, sedimentation, and erosion 70 years ago, initiated a bonanza in clastic sedimentology and led to new interpretations of both recent marine sediments and ancient sedimentary rocks. Only scarce attention had been paid to graded bedding, a hallmark of turbidites, before ca. 1930 and almost nobody had linked it to episodic mass flow sedimentation. This article is an addition to the pre-history of the turbidite revolution from an Alpine, and more specifically, a Swiss perspective. It focuses on two time periods, the early and middle part of the eighteenth century and the turn from the nineteenth to the twentieth century. In the former period, Swiss naturalists such as Scheuchzer and Gruner had not only recognized the ubiquity of graded bedding in some Alpine flysch successions, but also proposed hypotheses as to its likely origin. In doing so, Gruner invoked in 1773 periodic sediment mobilization due to bottom currents on the floor of an ante-diluvian sea, resulting in distinct episodes of sediment settling giving rise to normally graded layers. Gruner’s model was inspired by several contemporaneous pioneers of experimental clastic sedimentology. This interest in physical sedimentology declined during the nineteenth century and it was only with the start of the second period discussed herein that geologists began to re-appreciate the importance of sediment movement at the bottom of the oceans. This time, inspiration came from the practical experience of Swiss geologists with shore collapse events and subsequent sedimentary mass flows in lakes. Building on that, they were able to better interpret parts of the Alpine sedimentary record, especially flysch successions. However, it was only with Bailey, Migliorini, Kuenen and others during the 1930s and 1940s that the link between mass flows and graded bedding was finally established.

中文翻译：

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关于浊积概念的史前史：在库恩1948年地标性演讲70周年之际的高山视角

浊流是泥沙输送，沉积和侵蚀的重要地质因素，早在70年前，它就使碎屑沉积学有了新的发展，并引起了对近期海洋沉积物和古代沉积岩的新解释。在此之前，仅很少注意分层的床上用品，这是浊石的标志。1930年，几乎没有人将其与间歇性质量流沉降联系起来。本文是从阿尔卑斯山，更具体地说是从瑞士的角度出发，对浊积石革命的史前知识的补充。它着重于两个时期，即18世纪初和中期以及19世纪到20世纪的转变。在前一时期 诸如Scheuchzer和Gruner之类的瑞士自然主义者不仅认识到某些高山蝇sch演替中普遍存在的渐变层理，还提出了有关其可能成因的假设。在这种情况下，格鲁纳（Gruner）在1773年发起了周期性的沉积物动员，原因是前安特卢维海底的洋流引起了沉积物的沉降，形成了通常为梯度的层。Gruner的模型的灵感来自同时期的实验性碎屑沉积学的先驱。在19世纪，人们对物理沉积学的兴趣下降了，只有在这里讨论的第二个阶段开始时，地质学家才开始重新认识到海洋底部沉积物运动的重要性。这次，灵感来自瑞士地质学家的实践经验，包括海岸倒塌事件和随后的湖泊沉积质量流。在此基础上，他们能够更好地解释部分高山沉积记录，特别是弗希施演替。然而，直到1930年代和1940年代，只有Bailey，Migliorini，Kuenen和其他人才最终确定了质量流量与分级床上用品之间的联系。