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首页> 外文期刊>Journal of African earth sciences >A revised stratigraphy of the Bida Basin, Nigeria by Rahaman et al., (2019) [J. Afr. Earth Sci., 151, 67-81]: A rebuttal
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A revised stratigraphy of the Bida Basin, Nigeria by Rahaman et al., (2019) [J. Afr. Earth Sci., 151, 67-81]: A rebuttal

机译：Rahaman等人的尼日利亚Bida盆地的修订层层，（2019）[J. AFR。地球SCI。，151,67-81]：反驳

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摘要

This paper revisits the revised stratigraphy of the Bida Basin by Rahaman et al. (2019). We rebut their errors and misconceptions in proposing the Ahoko Shale as a formation and their assertion that it is younger than the Agbaja Ironstone Formation. Field evidence and palynological and geochemical data are provided in support of the widely accepted stratigraphic framework of the basin. The distinct sedimentological and petrographic features of the sandstone facies of the Lokoja (e.g., unidirectional cross stratification and compositional immaturity) and Patti (e.g. clay drapes, herringbone cross beddings and mineralogical maturity) formations discussed herein also support their different origins and depositional processes, and indicate that it is illogical and unacceptable to lump the sandstones together as Lokoja Formation. In view of the data provided, the elevation of the Ahoko Shale to a formation by Rahaman et al. (2019) is conjectural because their revision lacks field and analytical evidence.
机译：本文通过Rahaman等人重新评估了Bida盆地的修订了地层。 （2019）。我们反驳他们的错误和误解在提出Ahoko Shale作为形成及其断言，即它比Agbaja Ironstone的形成年轻。现场证据和椎间素和地球化学数据得到支持的盆地广泛接受的地层框架。本文讨论的Lokoja（例如，单向横向分层和组成离子）和帕蒂（例如粘土覆盖物，人字形交叉床上床上的矿物成熟度）的不同沉积物和岩体特征也支持其不同的起源和沉积过程，以及表明它是Lokoja的形成块状砂岩是不合逻辑和不可接受的。鉴于所提供的数据，Ahoko Sheale的高程通过Rahaman等人的形成。 （2019）是猜想，因为他们的修订缺乏现场和分析证据。

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