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Archaeometric characterization of historical-contemporaneous marbles from Waldensian Valleys of Piedmont (Dora-Maira Massif, Cottian Alps, Italy)
Journal of Archaeological Science: Reports Pub Date : 2022-07-29 , DOI: 10.1016/j.jasrep.2022.103562
G. Vola , M. Ardit , G. Frijia , A. Cavallo , C. Natali , C. Balma Mion , F. Lugli , P. Primavori

This paper deals with mineralogical-petrographic, microstructural and geochemical analyses for the archaeometric characterization of silicate-bearing granoblastic marbles from the so-called Waldensian Valleys of Piedmont (i.e. Pellice, Germanasca and lower Chisone valleys, Cottian Alps, Italy). These stones, belonging to the Dora-Maira Massif of the Penninic domain (pre-Carboniferous), are often associated with a talc-bearing mineralization. Since the XIV century, “Waldensian” marbles have been subjected to a relatively intense extractive activity (nowadays almost completely abandoned) and have been widely used, especially during XVI-XIX century, for decoration purposes and as building materials in the Duchy of Savoy, as well as later, in Italy and abroad. Fifteen samples representing four lithofacies and commercial types (named “Statuary white”, “Bardiglio gray”, “Zebrato gray” and “Cipollino green” marbles) from four different quarries (named Cabitto, La Majera, Rocca Corba, and Caugis), were studied through a multianalytical approach. The isotopic signature, combined with the mineral chemistry, allowed tracing marbles origin uniquely. The resulting database can be employed either in the cultural heritage, or in the conservation and restoration science, to identify each “Waldensian” marble from different decorative stones with similar microstructural and/or compositional features, but different origin.



中文翻译:

来自皮埃蒙特瓦尔登斯山谷(意大利科蒂安阿尔卑斯山的多拉-迈拉地块)的历史和同时代大理石的考古学特征

本文涉及矿物学-岩相学、微观结构和地球化学分析,用于对来自所谓的皮埃蒙特瓦尔登斯山谷(即意大利科蒂安阿尔卑斯山的 Pellice、Germanasca 和下 Chisone 山谷)的含硅酸盐花岗岩大理石的考古学特征进行分析。这些石头属于 Penninic 域(前石炭纪)的 Dora-Maira Massif,通常与含滑石的矿化有关。自十四世纪以来,“瓦尔登斯”大理石经历了相对激烈的开采活动(如今几乎完全被废弃)并被广泛使用,特别是在十六至十九世纪,用于装饰目的和作为萨沃伊公国的建筑材料,以及后来,在意大利和国外。代表四种岩相和商业类型的十五个样品(命名为“通过多分析方法研究了来自四个不同采石场(名为CabittoLa MajeraRocca CorbaCaugis )的白色“雕像”、“Bardiglio灰色”、“ Zebrato 灰色”和“ Cipollino 绿色”大理石) 。同位素特征与矿物化学相结合,可以独特地追踪大理石的起源。生成的数据库可用于文化遗产或保护和修复科学,以从具有相似微观结构和/或成分特征但不同来源的不同装饰石头中识别每个“瓦尔登斯”大理石。

更新日期:2022-07-29
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