Breccia delle Alpi, possibly from the Apuan Alps, Italy
Geological description:
Lithic breccio-conglomerate with mainly siliceous clasts including quartz grains, but some of limestone and marble are also present. 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.
References:
Further information:
Corsi's classification:
Class 10. Pudding-stones; ii. Italian pudding-stones