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首页> 外文期刊>Journal of earth system science >Morphotectonic analysis, structural evolution/pattern of a contractional ridge: Giouchtas Mt., Central Crete, Greece
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Morphotectonic analysis, structural evolution/pattern of a contractional ridge: Giouchtas Mt., Central Crete, Greece

机译：形态构造分析，收缩脊的构造演化/模式：希腊克利特岛的Giouchtas山

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摘要

The Giouchtas Mountain is situated south of Heraklion, Central Crete. It is a Na€“S trending morphological asymmetric ridge with a steep western slope, whilst its eastern slope is characterized by a smoother relief, composed of Mesozoic limestone and Eocenea€“lower Oligocene flysch of the Gavrovoa€“Tripolis zone. The present study focusses on the structural pattern and development of Giouchtas Mountain. Morphotectonic analyses in combination with field mapping and tectonic analysis were performed for this purpose. GIS techniques were used for mapping the spatial distribution of the geological features on the topographic relief of the area. Geomorphic indices, used in the present study, are the mountain front sinuosity index (Smf) and the valley floor/width ratio index (Vf). Based on Smf and Vf values, it is implied that this area can be assigned to a tectonic class I, corresponding to higher tectonic activity. However, spatial variations of the tectonic activity along the segmented fronts point to a general trend of increasing activity towards the north and especially, northeast. The model of this possibly active structural feature corresponds to a compressional mechanism followed by an earliest Mid. Miocene to Holocene late-stage deformation related to extensional faulting.
机译：Giouchtas山位于克里特岛中部伊拉克利翁的南部。它是一个呈N形趋势的不对称脊，其西坡陡峭，而其东坡的特征是平滑起伏，由中生代石灰岩和始新世加夫罗瓦-特里波利斯地区的下渐新世飞石组成。本研究的重点是朱乔塔斯山的结构模式和发展。为此，进行了形态构造分析与野外测绘和构造分析相结合。 GIS技术用于绘制该地区地形起伏处的地质特征的空间分布。本研究中使用的地貌指数是山前弯曲度指数（Smf）和谷底/宽高比指数（Vf）。基于Smf和Vf值，这意味着可以将该区域指定为构造类I，对应于较高的构造活动。但是，沿着分段的锋面的构造活动的空间变化表明向北，特别是东北方向活动增加的总体趋势。这种可能活跃的结构特征的模型对应于最早的Mid之后的压缩机制。中新世至全新世晚期变形与伸展断层有关。

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