| OUMNH Number: | 672 | 
|---|---|
| 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: |  | 
| Corsi's classification: | Class 9. Basalts; i. Ancient basalts | 
|---|---|
| Corsi's text: | 160.2 Basalte scura. Marmor Aethiopicum... [trovasi] nell' Etiopia | 
