“…The richness of the world's geological heritage is unlimited (Wimbledon et al, 1998;Prosser et al, 2006Prosser et al, , 2011Gray, 2008Gray, , 2013Ruban, 2010;Wimbledon and Smith-Meyer, 2012;Erikstad, 2013;Prosser, 2013;Bradbury, 2014;Bruno et al, 2014;Farsani et al, 2014a), and significant efforts are necessary in order to comprehend it fully. It is known already that not only ''purely'' geological, but many other features and objects may be interpreted as belonging to geological heritage (Wetzel, 2002;Schmidt-Rutsch, 2010;Erikstad, 2013;Gray, 2013;Lubova et al, 2013;Bruno et al, 2014).…”