How about 12,000 years of overlapping ring patterns from paleo trees?
Live trees, dead trees in buildings, bogs, tidal zones, etc.
There's also sedimentation layers from multiple scattered bore samples that will reveal more about patterns of particle fall from the skies and layered flows from years past.
alt Hacker News
How about 12,000 years of overlapping ring patterns from paleo trees?
Live trees, dead trees in buildings, bogs, tidal zones, etc.
There's also sedimentation layers from multiple scattered bore samples that will reveal more about patterns of particle fall from the skies and layered flows from years past.