The Historical Significance of the Welded Tuffs from Arucas, Canary Islands

Abstract Arucas Stone ( Piedra de ) is a welded tuff quarried in the town of Arucas, on island Gran Canaria Canary Archipelago. This rock has been for centuries, not only building but also many other purposes, such as manufacturing water cisterns or conduits, and especially carving. The quarrying economic activity related to this stone have profoundly shaped history economy city terms extraction, highly valued local artisan tradition Immigrants from Islands even brought several countries South America, where it was used erect numerous important architectural heritage sites. Nowadays, two areas, though often required restoration rehabilitation historical buildings. Its special characteristics, and, above all, its importance, make prime candidate Global Heritage designation.