Corsi 792, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History
| OUMNH Number: | 792 |
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| Name and quarry location: | Granito bigio, granito a morviglione, from the area between Frejus and Dramont, Esterel Mountains, Var, France |
| Geological description: | Porphyritic dacite, with phenocrysts of white compositionally zoned plagioclase feldspar and dark green to black hornblende. |
| Comments: | 'Morviglione' is an old Italian name for pox or measles. |
| References: | Antonelli (2002b) 274-275; Borghini (1997) 219, 270-271; Corsi (1845) 205; Lazzarini (1998); Price (2007) 210-211 |
| Further information: |
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| Corsi's classification: | Class 15. Porphyry; Species 1; ii. Italian porphyries |
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| Corsi's text: | 195.4 Porfido delle Alpi |