This lovely stuff is spalted beech. The beautiful veining is created by fungal colonisation of the fallen logs. As the fungus grows through the log, it changes its colour. I believe the very dark regions are the boundaries of a fungal colony and that there may be more than one type of fungus in different parts of the log.
Apparently spalting can occur in various woods, but it is most common in beech.
These slices are the beginnings of planks, I made last Autumn.
The planks were cut from these logs. You can see the white bloom of fungus on the end.
Here is one of the logs in my shed. I'm just about to clamp it into the bench vice.
The fungus highlights the separate heartwood (inner) and sapwood (outer)
When cut this log had been standing in the woods for at least a year, possibly longer. It was very wet.
Awessome blog you have here
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