Petrified Wood
Hliník nad Hronom rhyolite quarry, Hliník nad Hronom, Žiar nad Hronom District, Banská Bystrica Region, Slovakia
Janovske mountain saddle between Vyhne valley and Hlinik nad Hronom is one of in literature lesser known locality of limnoquartzite, chalcedony and wood opal. But in this woodland are hided a big mediaeval open pit/quarries for limnoquartzite used for millstones producing for neighbouring mines in Banska Stiavnica, Hodrusa,Banska Bela, Vyhne, ...
© Karsten Ivan