That's the stuff !

No, I can't prove its age. I imagine (imagine) that there was a discontinuity between the Golden Age of Bronze and the 'L.B.A.' and that the later creatures wistfully made these scratches and pools. If I could find *another* stone with some of these scratches on that would be useful. As the marks are so superficial they must erode on rocks that are rubbed or under the weather.