YoadD

Hey my name is Yoad, I work as a Geologist in Tunnel excavation in Israel. I found these cool rocks in a karst cavity in the tunnel. 1. I think it´s really cool. take notice on the small conglomerate that developed on the stone. 2. besides that I´m curious to know what is the white cement? I think that is a kind of secondary calcite sedimentation. *The rock in the environment where I found the rocks is mostly limestone. thanks.