Relaciones entre la fracturación y el Karst en el macizo de la Piedra de San Martín (Pirineo Occidental)
DOI:
https://doi.org/10.3989/egeol.87433-4591Keywords:
Fractures, Caves, Karst, PyreneesAbstract
Orientation and length analysis of 2.149 fractures of the karstic massif of La Piedra de San Martin (Western Pyrenees) has been completed from photogeologic data. A comparison of these results to the structural analysis of 1.244 caves of this region clearly shows EW and ESE dominant trends for surficial fractures as well as for caves, where NNE and NE structural trends are much more obvious for the fractures than for the caves. This implies a greater influence of longer fractures in the endokarst development, which in most cases carrespond to faults which also control the most significant relief features of the massif. The influence of the fractures network in exokarstic landforms, from lapiaz to large depressions, is also shown.
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