OUMNH Number: | 836 |
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Name and quarry location: | Granito nero, from between Aswan and Shellal District, Nile Valley, Egypt |
Geological description: | Biotite granodiorite with a few megacrysts of pink potash feldspar; a variety of the Aswan granodiorite from the Precambrian basement rocks. |
Comments: | This stone is Harrell's variety 'b' of the Aswan granites and granodiorites described on his website. It is also known as diorite Egiziano and is found in a number of localities between Aswan and the Shellal district. |
References: | Borghini (1997) 224; Corsi (1845) 210-211, 215-216; Harrell (2010a); Lazzarini (2002c) 229; Mielsch (1985) 67; Price (2007) 234 |
Further information: |
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Corsi's classification: | Class 16. Granites; i. Antique granite |
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Corsi's text: | 206.24 Granito antico. Marmor Syenite. Marmo Sienite... [trovata] presso la città di Siene sul confine fra Egitto, e l'Etiopia... Pyrrhopoecilon... Psaronion...Aethiopicum perchè... era Siene sul confine dell' Etiopia. |