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Giallo antico, also known as Numidian marble (marmor numidicum in Latin), was a yellow marble quarried in Roman times from the area of Chemtou, ancient Simmithu Asia [ edit ]
Verd antique is used like marble especially in interior decoration and occasionally as outdoor trim, although the masses are frequently jointed and often only small slabs can be secured. The ancient Romans quarried it especially at Casambala, near Larissa, Thessaly, in Greece. [8] This variety was known as marmor thessalicum or Thessalian marble.
Decomposed granite is a kind of granite rock that is weathered to the point that the parent material readily fractures into smaller pieces of weaker rock. Further weathering yields material that easily crumbles into mixtures of gravel -sized particles known as grus that further may break down to produce a mixture of clay and silica sand or silt ...
Carrara marble has been used since the time of Ancient Rome, when it was called marmor lunense, or "Luni marble". [2] [3]In the Middle Ages, most of the quarries were owned by the Marquis Malaspina who in turn rented them to families of Carrara masters who managed both the extraction and transport of the precious material.
Antico: Mercury.Bargello Museum, Florence. Pier Jacopo Alari Bonacolsi (c. 1460–1528), called L'Antico by his contemporaries, and often Antico in English, the nickname given for the refined interpretation of the Antique they recognized in his work, was a 15th- and 16th-century Italian Renaissance sculptor, known for his finely detailed small bronzes all'Antica—coolly classicizing, often ...
White Carrara marble (with grey veins): fluted pilasters; white "bianco purissimo" Carrara marble: capitals and friezes; statuario marble: altar steps; white and grey bardiglio marble: pavement; Egyptian "rosso di Syene" granite: monolith entrance step; africano and rosso antico marble: frames of the niches; rosso di Numidia: shells of the ...
A-type granite is a particular category of the S-I-A-M or 'alphabet' system which classifies granitoids and granitic rock by their photoliths or source. [1] [2] The 'A' stands for Anorogenic or Anhydrous, as these granites are characterized by low water content and a lack of orogenic or transitional tectonic fabric. [3]
Exfoliating slabs of granite, on Half Dome in Yosemite National Park, USA. Exfoliating granite is a granite undergoing exfoliation, or onion skin weathering (desquamation).The external delaminated layers of granite are gradually produced by the cyclic variations of temperature at the surface of the rock in a process also called spalling.