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最好的方法是什么罢工和倾斜图像提供数据分割成“域”为了解释折叠立体图?

链接到原始图像:https://postimg.cc/v4bRqxxR

我认为这张图片代表两个折叠推翻和暴跌。我想分析这些折叠立体图,但我不知道如何把数据。

我有带注释的图像(下面链接)来显示我的思想的数据划分为多个域。我发现令人困惑的是数据的关系在“北域”“南域”。

链接到带注释的图片:https://postimg.cc/Wtc7JBD3

任何建议如何把数据分割成域会有帮助和安慰我的理解。

回答

我认为你可能已经超过2域基于卫星图像。也许你有三个肢体的折叠(绿色)和故障(红色)。请仔细考虑这个解释,我不知道你的研究区域在哪里,什么是它的地质单元和结构和深成岩体可能变形其他岩石(沉积、变质和vulcanic),它的卫星图片看起来像你的地区,特别在古地形(中太古代的巴西、澳大利亚、加拿大、美国、俄罗斯、瑞典等)。[!(在这里输入图像描述][5]][5]我建议:1。试着画出的地形光栅区域地貌构造轮廓。你应该使用阴影救济来帮助你在这个任务中。然后,基于它的方向,你可以有一个念头,空间分布的领域。2。救援纹理(我不知道如果这是正确的字)也可以用来定义领域。 The roughness of the mountain terrain is the highest in your area. 3. The units with similar ages as Paleoproterozoic ones and Neoproterozoic ones define two domains, at least. It can also improve or subdivided your domains. 4. Plot all data of a specific structure* in some stereogram program as [Stereonet][1], [OpenStereo][2] or [Georient][3]. The Georient has an advantage, you can enter the data by clipboard. The similar structures will be plotted nearby. Based on the clustering, you may improve the domain boundaries. *Please, do not plot foliation (Sn) and bedding (S0) in the same stereogram. Each structure should be interpretate individually. About stereogram interpretation, you should see the book of Marshak & Mitra (1988) that show excelent description about this. > Marshak, S. & Mitra, G. 1988. Basic Methods of Structural Geology. Enlewwod Cliffs, Prentice Hall However, the best way is observed the relationship between foliations of different order (Sn and Sn+1) and/or foliation and bedding (Sn X S0) in field. This relationship will indicate the [vergence][4]. And then, you must proceed to the interpretation of stereogram. I don't think there are easy way to split. You should to do this manually. I commonly import the data to Excel and classify by domains following the dip direction (or strike), location and, more important, vergence. And, please, read about the geology of your area before you start. This help a lot. I hope that I could help you. I have listen what I wrote to you several times from my teachers during my graduation :). Best luck in your studies. [1]: https://www.rickallmendinger.net/stereonet [2]: http://igc.usp.br/openstereo/download/ [3]: https://www.holcombe.net.au/software/georient.html [4]: https://www.see.leeds.ac.uk/structure/folds/describing/vergence/vergence1.htm [5]: https://i.stack.imgur.com/m4RBG.jpg

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