Basalt quarry (San Giovanni Ilarione quarry), San Giovanni ...
Basalt quarry (San Giovanni Ilarione quarry), San Giovanni Ilarione, Verona Province, Veneto, Italy : Abandoned basalt quarry at the base of the hill, on whose summit the settlement of Castello was built. Remnants of the famous columnar basalt, described in 1778 by John Strange, are still observable. ...