Characterizing lineaments from satellite images and field studies in the central Ebro basin (NE Spain)

被引:74
作者
Arlegui, LE [1 ]
Soriano, MA [1 ]
机构
[1] Univ Zaragoza, Dept Geol, Area Geodinam, E-50009 Zaragoza, Spain
关键词
D O I
10.1080/014311698214244
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
In the central part of the Ebro basin, filled with Neogene beds, more than 6000 lineaments have been mapped at a 1 : 100000 scale, using a combination of bands 2, 4 and 7 of the Landsat Thematic Mapper (TM). With an automatic exploration program, geometric features of the lineament population were analysed, identifying four sets of lineaments trending NW-SE, ESE-WNW, NNE-SSW and NE-SW. Field studies reveal that most lineaments are normal faults. The highest density lies over a lax NW-trending syncline, where the Tertiary thickness is lower and the basement shows NW-trending faulting. It is thus concluded that the lineaments developed as a result of cover deformation above large basement faults.
引用
收藏
页码:3169 / 3185
页数:17
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