Circle of slag-like stones and sulphurous leaves at Cérilly

Summary

In October 1994, an off-duty gendarme gathering mushrooms in a forest near Cérilly (Allier) discovered a circle made of slag-like stone fragments. The surrounding leaves had an unusual sulphurous green tint. When he returned the next day, he was unable to relocate the spot. With no physical evidence recovered, GEIPAN classified the case C, unexplained.