Corsi Collection of Decorative Stones

view of stone 684

Corsi 684, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History

OUMNH Number: 684  
Name and quarry location: Breccia delle Alpi, possibly from the Apuan Alps, Italy  
Geological description: Polymict conglomerate; most clasts are silicified red limestone and rock crystal, a small proportion are calcareous or dolomitic. It is possibly from the Triassic Verrucano Formation.  
Comments: It has been suggested that the siliceous clastic deposits of the Verrucano Formation from the Apuan Alps is a possible source of this stone.  
Further information:

Corsi's classification: Class 10. Pudding-stones; ii. Italian pudding-stones  
Corsi's text: 164.2 Breccia delle Alpi  

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