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什么是泥底辟和它是如何形成的?

泥底辟构造地震反射图像相对共同的特征。什么是泥底辟?它是如何不同于泥火山?他们的共同特征是什么(大小、年龄组成)?他们是如何形成和保存?源http://steveholbrook.com/

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这是一个非常好的问题,一个话题有很多文学。除了上面的体积有关,我也可以推荐:伦敦地质学会的特殊出版216:http://sp.lyellcollection.org/content/216/1另一个很好的起点是广泛的作品由克里斯·莫雷和Pieter van Rensbergen,研究页岩底辟构造地震和露头)(好露头的例子是极少见的。一些好的文章,除了上述两本书,包括:莫理,c K。、p . Crevello和z h·艾哈迈德,1998年页岩构造和变形与活跃的底辟作用:Jerudong背斜,文莱达鲁萨兰国:地质学会的期刊,伦敦,v . 155年,p . 475 - 490。——范Rensbergen P。c . k . Morley, d . w . Ang t .问:德和n t·林,1999年,构造演化从活性上升到泥页岩的底辟构造火山活动:3 d地震资料从Baram三角洲近海文莱达鲁萨兰国:地质学会的期刊,伦敦,v . 156年,p . 633 - 650。——范Rensbergen P。,c . k . Morley, 2000年,三维地震研究页岩驱逐向斜的底部的冠军三角洲近海文莱早期构造演化及其影响的大型三角洲系统:海洋和石油地质学、v . 17, p . 861 - 872。-理发师et al ., 1986,泥火山,页岩底辟构造,扳手的缺点,和混色加积复合物,印度尼西亚东部,中部公告。-斯图尔特,S.A. &戴维斯R.J.(2006)的结构和侵位泥火山系统在南滨里海盆地。 AAPGBull., 90(5), 771^786. If I was to summarise all of the work I have seen over the past 15 years, I'd say that there are three major concepts for shale diapirs: 1) That they are large masses of mobilised shale - essentially big masses of shale, akin to salt diapirs. Note this is starting to fall out of favour, but is still relevant in some places, such as the Niger Delta. 2) Shale diapirs are emplaced in a means more akin to igneous intrusives, undergoing fracturing and stoping of overburden rocks due to their high overpressures. As such, shale diapirs are considered to be more like country rock that has been heavily fractured and invaded by gases and mud. This generates the chaotic seismic character. 3) Shale diapirs may be simple artefacts caused by complex structure. Features interpreted on seismic as diapirs have been drilled into in several places, but these well penetrations typically did not encounter indications of mobile or previously mobile shale. This has led to suggestions that many 'diapirs' may just be zones in which the bedding is at high angle, and/or heavily affected by fault processes and gas, leading to zones of poor seismic resolution. My personal view is that there is evidence for all three of the above scenarios, depending on the regional basin and tectonic history. I'm sorry this doesn't really answer the question, but I hope it gives you enough threads to research this in more detail. Good Luck! Mark ![Photo I took of a large shale dyke, Jerudong Anticline, Brunei - also on the front cover of Jan 2009 AAPG Bulletin][1] [1]: http://i.stack.imgur.com/ItGIk.jpg

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