14.-南苏格兰Kirkcudbright湾附近的志留纪岩石

Transactions of the Royal Society of Edinburgh Pub Date : 1975-01-01 DOI:10.1017/S0080456800015295

C. M. Clarkson, G. Y. Craig, E. K. Walton

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引用次数: 24

摘要

迄今为止，柯克库布赖特郡的理查顿城堡和雷伯里城堡的床在年代上一直被认为是温洛克，而哈威克岩石则被认为是兰多弗里。对笔石动物群的详细制图和修正表明，“莓堡”层为llanddovery层，“理卡顿”层为Wenlock层。根据构造证据，Kirkcudbright以南的Hawick岩被认为比Riccarton层更年轻。该地区的理卡顿层被正式定义为罗斯组，而莓堡层被正式定义为莓堡组。定向资料表明，形成Raeberry Castle组的沉积物来自西部，形成Ross组和Hawick岩的沉积物来自东北。

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14.—The Silurian Rocks bordering Kirkcudbright Bay, South Scotland

Synopsis The Riccarton and Raeberry Castle beds in Kirkcudbrightshire have hitherto been regarded as Wenlock in age, and the Hawick Rocks as Llandovery. Detailed mapping and revision of the graptolite faunas shows that the Raeberry Castle beds are Llandovery and the Riccarton beds Wenlock in age. On structural evidence the Hawick Rocks south of Kirkcudbright are considered to be younger than the Riccarton beds. The Riccarton beds in the area are formally defined as the Ross Formation and the Raeberry Castle beds as the Raeberry Castle Formation. Directional data suggest that the sediment forming the Raeberry Castle Formation was derived from the west and the sediment forming the Ross Formation and Hawick Rocks was derived from the north-east.

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