Global Heritage Stone: Towards International Recognition of Building and Ornamental Stones
This volume provides a synopsis of current research on volcanic processes, as gained through the use of palaeomagnetic and rock magnetic techniques. Thermoremanent magnetization information provides a powerful means of deciphering thermal processes in volcanic deposits, including estimating the emplacement temperature of pyroclastic deposits, which allows us to understand better the rates of cooling during eruption and transport. Anisotropy of magnetic susceptibility and anisotropy of remanence are used primarily to investigate rock fabrics and to quantify flow dynamics in dykes, lava flows, and pyroclastic deposits, as well as identify vent locations. Rock-magnetic characteristics allow correlation of volcanic deposits, but also provide means to date volcanic deposits and to understand better their cooling history. Because lava flows are typically good recorders of past magnetic fields, data from them allow understanding of changes in geomagnetic field directions and intensity, providing clues on the origin of Earth’s magnetic field.
Rosa Beta granite (Sardinian Pink Granite): a heritage stone of international significance from Italy
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Published:January 01, 2015
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CiteCitation
N. Careddu, S. Grillo, 2015. "Rosa Beta granite (Sardinian Pink Granite): a heritage stone of international significance from Italy", Global Heritage Stone: Towards International Recognition of Building and Ornamental Stones, D. Pereira, B. R. Marker, S. Kramar, B. J. Cooper, B. E. Schouenborg
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Abstract
‘Rosa Beta’ or ‘Sardinian Pink granite’, an Hercynian granitoid from the Italian island of Sardinia, is formally here nominated as a Global Heritage Stone Resource. Rosa Beta is sourced from the Gallura region of northern Sardinia and has been associated with human heritage since prehistoric times. Notably it can be found in construction ranging from prehistoric Tomba dei Giganti, the 1st century Pantheon in Rome and the Renaissance Cathedral in Pisa to early 20th century monuments in Brazil and Egypt. Most importantly, it has also been used very extensively in the late 20th century for significant construction in countries as wide ranging as the USA, Saudi Arabia, Hong Kong, Singapore and Australia.