Corsi 23, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History
| OUMNH Number: | 23 |
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| Name and quarry location: | Giallo antico, from Chemtou, Tunisia |
| Geological description: | Breccia of clasts of fine-grained limestone, extensively recrystallised through diagenesis, in a ferruginous micritic matrix. |
| Comments: | All Corsi's samples of giallo antico from Chemtou, Tunisia (0022-0034) are correctly identified, and they show 'quarry variation' particularly well. Giallo antico is regarded as the finest of all the yellow marbles, although the very best Siena marble can be comparable. The matrix in giallo antico is red or brown; that of brecciated varieites of Siena is purple. |
| References: | Blagrove (1888) 83; Borghini (1997) 214-215; Corsi (1845) 90-91; Lazzarini (2002c) 243-244; Mielsch (1985) 56, taf.15; Price (2007) 90-91; Watson (1916) 271-274 |
| Further information: |
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| Corsi's classification: | Class 1. Marbles; Section 1. Monochrome marbles; Species 3. Yellow marbles, i. |
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| Corsi's text: | 29.2 Giallo antico. Marmor Numidicum. Dalla Numidia oggi Coste di Barbaria provincia dell'Africa, e precisamente alle falde del monte Maurisado... Brecciato di giallo livido |