Corsi 672, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History
| OUMNH Number: | 672 |
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| Name and quarry location: | Basalte scura, very possibly from Wadi Hammamat, Eastern Desert, Egypt |
| Geological description: | Most probably a metagreywacke, a metamorphosed turbidite deposit with sand to silt sized particles. |
| Comments: | None of Corsi's 'basalti' are in fact basalt, a dark extrusive igneous rock. |
| References: | Corsi (1845) 196; Harrell (2010a) |
| Further information: |
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| Corsi's classification: | Class 9. Basalts; i. Ancient basalts |
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| Corsi's text: | 160.2 Basalte scura. Marmor Aethiopicum... [trovasi] nell' Etiopia |