Mineralogical-sedimentological and chemical investigation of sediments from Cross Bank off Florida
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The sediments of a core of.1.55 m length taken on the windward side of the Cross Bank, Florida Bay, are clearly subdivided into two portions, as shown by grain size analysis: silt-sized particles predominate in the relatively homogeneous lower two thirds of the core. This is succeeded abruptly by a thin layer of sand, containing fragments of Halimeda. They indicate a catastrophic event in the Florida Bay region, because Halimeda does not grow within Florida Bay. […]
对采自佛罗里达湾克罗斯浅滩迎风侧的1.55米长岩芯沉积物的粒度分析结果显示，该岩芯可被明确划分为两段：岩芯相对均一的下部三分之二段以粉砂级颗粒为主，其上突兀地覆盖着一层含钙扇藻（Halimeda）碎片的薄砂层。这些沉积特征表明佛罗里达湾区域曾发生过灾难性事件，因为钙扇藻（Halimeda）并不在佛罗里达湾内生长。[…]
创建时间：
2025-11-02
