Niespolo et al. (1) report ²³⁰Th/²³⁸U “burial ages” for ostrich eggshell fragments from a 3.8-m-thick Middle Stone Age (MSA) sequence at Ysterfontein 1 shelter, west coast of South Africa (2). The ages are in expected stratigraphic order and imply that the entire 3.8-m sequence accumulated in as little as 2,300 y around 115,000 y ago. The authors believe they have identified the oldest firmly dated evidence for systematic human exploitation of coastal resources and that the remarkably rapid rate of deposition means that local MSA people were exploiting coastal resources as intensively as …

中文翻译：

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南非 Ysterfontein 1 rockshelter 的中石器时代海洋资源开发 [社会科学]

涅斯波罗等人。( 1 ) 报告了南非西海岸 Ysterfontein 1 避难所 ( 2 )中 3.8 米厚的中石器时代 (MSA) 序列中鸵鸟蛋壳碎片的²³⁰ Th/ ²³⁸ U “埋葬年龄” 。年龄符合预期的地层顺序，这意味着整个 3.8 米层序在大约 115,000 年前的短短 2,300 年中积累。作者认为，他们已经确定了人类系统地开发沿海资源的最古老的可靠证据，并且沉积速度非常快意味着当地的 MSA 人正在像……一样密集地开发沿海资源。