What type insulation is this?

[vmarbella (Vincent Marbella, WA. 1762)]

Hey all. Anyone know what type of insulation this is? It looks a lot like saw dust or wood shavings.

[bhull1 (Bert Hull, CMI® TN #1162)]

from here it looks like wood fiber insulation
https://inspectapedia.com/insulation/Wood-Fiber-Insulating-Panels.php

Wood Fiber Insulation Products | High Performance Insulation | TimberHP

[jfudge (JR Scott Fudge)]

Balsam or Silva wool. Both were made from shredded wood.

[bcawhern1 (Brian Cawhern, CMI)]

How old is the home?

[vmarbella (Vincent Marbella, WA. 1762)]

Home built in 1978. To be honest I’ve never heard of wood fiber insulation. Imagine that. Thank you all for replies.