Los campos de bufones de Pría y Arenillas (Asturias). ¿Patrimonio geológico mundial?
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Abstract
Este trabajo pone en valor el patrimonio geológico de un sector
de la costa calcárea oriental asturiana, caracterizando cuantitativa
y cualitativamente las morfologías singulares. Para ello, se ha rea lizado un análisis de los principales elementos kársticos-marinos
observadas en estos acantilados. También se ha generado un in ventario lo más amplio posible de las morfologías presentes, en las
que destacan los bufones, estando representados en dos campos,
el de Pría y el de Arenillas, los cuales pueden considerarse como la
mayor concentración de éstos de Europa y posiblemente del mundo.
Y finalmente se realizó un estudio detallado de los contactos entre
estratos, midiendo las direcciones de desarrollo de fallas y diaclasas
en aquellos de mayor extensión.
En esta costa, además de las formas kársticas y kárstico-marinas
de varios tipos, pueden observarse otros tipos de elementos ligados
a la dinámica litoral como playas y estuarios confinados. Algunas de
las formas ligadas al karst están incluidas en el Inventario Español
de Lugares de Interés Geológico (IELIG). Dada su relevancia interna cional se propone su incorporación al Proyecto Global GEOSITES
This work highlights the geological heritage of a sector of the eastern Asturian limestone coast, quantitatively and qualitatively characterising the unique morphologies. To this end, an analysis of the main karst-marine landforms observed in these cliffs has been carried out, generating the broadest possible inventory of the mor phologies present. Also blowholes are an outstanding feature in the inventory, being represented in two fields, those of Pría and Areni llas, which can be considered the largest concentration sites of these in Europe and possibly in the world. And finally a detailed study of the bedding has been carried out, measuring the directions of deve lopment of faults and diaclases in those contacts with the greatest extension. On this coast, in addition to karst and karst-marine forms of va rious types, other types of elements linked to coastal dynamics can be observed, such as beaches and confined estuaries. Some of the forms linked to karst are included in the Spanish Inventory of Places of Geological Interest (IELIG). Given their international relevance, it is proposed that they be included in the Global GEOSITES Project
This work highlights the geological heritage of a sector of the eastern Asturian limestone coast, quantitatively and qualitatively characterising the unique morphologies. To this end, an analysis of the main karst-marine landforms observed in these cliffs has been carried out, generating the broadest possible inventory of the mor phologies present. Also blowholes are an outstanding feature in the inventory, being represented in two fields, those of Pría and Areni llas, which can be considered the largest concentration sites of these in Europe and possibly in the world. And finally a detailed study of the bedding has been carried out, measuring the directions of deve lopment of faults and diaclases in those contacts with the greatest extension. On this coast, in addition to karst and karst-marine forms of va rious types, other types of elements linked to coastal dynamics can be observed, such as beaches and confined estuaries. Some of the forms linked to karst are included in the Spanish Inventory of Places of Geological Interest (IELIG). Given their international relevance, it is proposed that they be included in the Global GEOSITES Project
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