The paper presents the geotouristic project carried out on Busca Onyx quarry (Piedmont, Italy). Busca Onyx (also called Busca Alabaster) is an ornamental stone quarried from the seventeenth century until the early years of 1900, when the quarry was closed. This stone was greatly appreciated by the architects working for the House of Savoy who used this material in the decorative apparatus of many churches and civil buildings mainly in Turin, the ancient seat of the House. The quarry site is very interesting from both geological and historical point of views. The area is characterized by paleokarst formations and the deposits developed in an ancient cave system. Despite its name, Busca Onyx is a speleothem-derived rock (calcite-alabaster). The peculiarity of the quarry lies in its morphology; in fact, it is composed of four artificial canyons exploited in the side of the hill. The canyons are around 100 m long, 2–3 m wide, and up to 40 m deep, determining a landscape, which is very suggestive for tourists and excursionists. Nowadays, the quarry is abandoned and the site can be used for didactic and geotouristic purposes; in fact, a characterization project recently started. Busca Onyx and its quarry were characterized
Geoheritage – Springer Journals
Published: Jun 5, 2018
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