Corsi Collection of Decorative Stones

view of stone 234

Corsi 234, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 234  
Name and quarry location: Lumachella di Menaggio, from Menaggio, Como, Lombardy, Italy, or more likely a lumachella from Verona or Vicenza, Veneto, Italy.  
Geological description: Fossiliferous pel-sparite limestone. It has abundant peloids and intraclasts of micritic limestone in a sparry matrix. Some layers are rich in bivalves, others are edgewise breccia together with fragments of laminated 'algal' cyanobacterial micrite.  
Comments: Perhaps from Menaggio, on the west bank of Lake Como, Lombardy, Italy, but resembles astracane di Verona and is more likely to be from the Verona/Vicenza area, Veneto, Italy, the provenance indicated by the painted number on the back of the specimen (see Verona.pdf for more information).  
References: Price (2007) 161  
Further information:

Corsi's classification: Class 1. Marbles; Section 3. Lumachellas; ii. Italian lumachellas  
Corsi's text: 80.2 Lumachella di Menagio, sul lago di Como  

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