Took advantage of the high pressure drying out the gritty sandstone at Craigmaddie for a few hours bouldering before the skin could take no more. If anyone knows about Mason marks, have a look at the photo below and let me know what they mean. These marks are under the left sheep pen, next to (presumably) old quarriers' names 'A. Cairns' and 'J. Neilson'. I assume these guys, or colleagues, carved the mason marks onto the sheltered back walls of the caves, no doubt during long lunch breaks or wet days when they couldn't be bothered digging out the mill-stones.
Shamanistic zoomorphs, lithic graffiti, hallucinogenic tableaux, territory markings, knife-sharpeners … rock art – l'art rupestre – is so far beyond our traditional 'linguistic' history, it does not have an interpretative alphabet or a single line of confirmed meaning. There are many interpretations of the 'gravures' (carvings) and 'abris ornés' (decorated caves) in the hidden bivouacs throughout the forest of Fontainebleau. The sandstone marks easily under the nib of a hard flint from the deeper calcareous geology and this soft stone canvas has allowed our European ancestors to carve the stylised and modernistic strokes we might note as remarkable in a Picasso painting. Most of the carvings involve complex hash-marks and grids, overlaying each other, occasionally with mandala-like boxes. Sometimes there have been carved astonishingly beautiful anthropomorphs, (stylised human-like figures), or zoomorphs, (deities or humans manifesting in animal form) or argu...