OUMNH Number: | 671 |
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Name and quarry location: | Pietra di paragone, Lydian stone, locality unknown |
Geological description: | Ignimbrite. This fine-grained rock with a streaky texture has occasional crystals of feldspar and a ferromagnesian mineral. It is densely welded. |
Comments: | |
References: | Corsi (1845) 198 |
Further information: |
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Corsi's classification: | Class 9. Basalts; i. Ancient basalts |
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Corsi's text: | 160.1 Pietra di paragone. Marmor Lydium... si trovava nella Lidia provincia dell'Asia minore |