【2017年整理】5、岩溶地貌.ppt
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;第五章 岩溶地貌及岩溶堆积物;;; 1 .地下水的潜蚀作用
地下水在运动过程中对周围岩石的破坏作用称为地下水的潜蚀作用。由于地下水的化学成分较复杂,常含有较多CO2和各种溶剂,因而化学潜蚀作用显著。;2.地下水的搬运作用;3.地下水的沉积作用;Evaluation only.
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Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
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Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.
Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only.
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Copyright 2004-2011 Aspose Pty Ltd.;一.岩溶形成条件及溶蚀基准面;矿物种类:方解石为主岩溶发育,以白云石 为主岩溶不发育。
化学成分:Ca/Mg比值越大,岩溶作用越强。
相对溶解度:溶解度越大,岩溶作用越强。 ; 白云岩 白云质灰岩 灰岩
矿物 白云石 白云石+方解石 方解石
Ca/Mg 1.2~2.2 2.2~10.0 10.0
相对溶解度 0.35~0.82 0.8~0.99 ≈1
岩溶化程度 小 中
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