地层学注释:也门西北部Akbarah和Kuhlan地层的孢粉学更新

Geoarabia Pub Date : 2011-10-01 DOI:10.2113/geoarabia160417

M. Stephenson, Sa'ad Z. Al-Mashaikie

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引用次数: 13

摘要

在对也门西北部Kuhlan村附近的Kuhlan组(a单元)下部的两个样本进行初步孢粉学报告之后(Stephenson和Al-Mashaikie, 2010年)，报告了来自a单元的另外7个样本，以及来自同一地点下的Akbarah组的另外22个样本。来自Kuhlan组的7个新样品支持Stephenson和Al-Mashaikie(2010)最初提出的2165A至2141A生物带年龄，而新的Akbarah组样品表明，由于Anapiculatisporites concinnus和Spelaeotriletes triangulus也存在于Akbarah组(例如AK-11和AK-12样品)，因此年龄没有明显差异。这种对比证实了下Kuhlan组和Akbarah组的年龄可能是晚石炭世，相当于阿曼Al Khlata组的下段。

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Stratigraphic Note: Update on the palynology of the Akbarah and Kuhlan formations, northwest Yemen

Following a preliminary palynological report of two samples from the lower part of the Kuhlan Formation (Unit A) near Kuhlan village, northwest Yemen (Stephenson and Al-Mashaikie, 2010), a further seven samples from Unit A, and an additional 22 samples from the underlying Akbarah Formation in the same locality are reported. The seven new samples from the Kuhlan Formation support the 2165A to 2141A Biozone age originally suggested by Stephenson and Al-Mashaikie (2010), and the new Akbarah Formation samples suggest an age not markedly different since Anapiculatisporites concinnus and Spelaeotriletes triangulus are also present in the Akbarah Formation (e.g. samples AK-11 and AK-12). This correlation confirms that the lower Kuhlan Formation and the Akbarah Formation, are likely to be late Carboniferous in age and equivalent to the lower parts of the Al Khlata Formation of Oman.

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来源期刊

Geoarabia 地学-地球科学综合

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Cessation. Published from 1996 to 2015, GeoArabia, The Journal of the Middle Eastern Geosciences was a quarterly journal covering the petroleum geosciences in the Middle East. The journal covers subjects such as: - sedimentology - tectonics - geophysics - petroleum reservoir characterization