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paulz
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# Posted: 27 Mar 2026 06:42pm
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Yep that’s him. I was recently out at Pt. Reyes, walked the earthquake trail showing the fault and fence from the 1906 big one.
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DRP
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# Posted: 27 Mar 2026 06:43pm - Edited by: DRP
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Ahh seems like you all have the connection. I posted on top of Paul but in the same light.
Ohh, I'm remembering something out west. Here we go;
https://fruitsandnuts.ucdavis.edu/sites/g/files/dgvnsk12441/files/391-51.pdf
My wife was out at the chestnut orchard today. They are going to remove and thin stuff that isn't working. I have a request in if there is anything sawable.
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paulz
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# Posted: 27 Mar 2026 07:15pm
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Is this that black line disease?
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MtnDon
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# Posted: 27 Mar 2026 08:50pm - Edited by: MtnDon
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Interesting article on the walnut grafting, DRP. 
A little bit of that may be spalting from fungi, but not exactly the black line disease in DRP's link. I think most of the faults we see in that piece are cracks. That artist is in Hawaii. He has "stitched" the cracks with slices of koa wood. I have no idea how he does those thin pieces, although it is a rather big piece, so the stitch slices are bigger than one might expect. https://www.martinandmacarthur.com/products/koa-messages-bowl-2333-by-aaron-hammer
I have seen contrasting color wood bowties used to patch and bridge cracks. I have trouble making those when the wood is flat. I do fill cracks with a colored CA glue at times. Sometimes a little epoxy. I have black, dark brown, and light brown medium-thick CA. Apply a little to the crack, let it run in, and then zap with accelerator. Sand or turn as needed.
Yes, we hiked the earthquake loop trail and poked around the area. Interesting place. Your home and/or cabin is in that area. It is a nice area; I liked visiting, but am happy where we are in NM.
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DRP
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# Posted: 29 Mar 2026 10:59am
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Yes the black lines you see in that turning are spalting, the early stages of decay, usually from one of the white rot fungi. The black lines are the edges of each affected zone. It can be beautiful for accent pieces. I have seen people say that it makes the wood more stable and durable, no. Those are the rotters. Before we can even see the fungi at work they have consumed fibers and decreased the strength of wood. For non structural stuff that may be of no concern but I did see one mention of spalted wood being "superior for decking and beams" nothing could be further from the truth so really that is just a reminder to be mindful of sources.
For turned work it really shines and I've seen some beautiful slab tables made from spalted wood. With the decrease in fiber length and strength the wood is more dimensionally stable, in the same way that low density wood tends to be more dimensionally stable than high density wood... wood substance shrinks and swells in response to moisture, the fungi have digested some amount of the wood.
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paulz
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# Posted: 10 Apr 2026 09:24am
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On ironwood: Talked to my sister, who lives a few hundred miles away. The deck at her house is built in ironwood, from Hawaii she says, doesn’t know the species.
I’m still waiting for a use of my little chunk. Weighs 3-4 pounds, still surprises me picking it up.
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