Corsi Collection of Decorative Stones

view of stone 257

Corsi 257, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 257  
Name and quarry location: Pietra Rosone di Trapani, from Trapani, Sicily, Italy  
Geological description: Limestone. The matrix is fine-grained microspar crowded with bioclasts of benthic forams, molluscs, bryozoans, echinoderms, calcareous algae etc. It contains abundant silicate grains, as well as larger fossils and calcareous algae.  
Comments: This specimen has been recognised as Pietra Rosone di Trapani from Sicily, an algal limestone of lower to middle Miocene age. See Montana 1998.  
References: Montana (1998) 69, 100-101; Price (2007) 166  
Further information:

Corsi's classification: Class 1. Marbles; Section 3. Lumachellas; ii. Italian lumachellas  
Corsi's text: 28.25 Lumachella di Torino  

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