Mysteries Department
Sign inRequest access
Answer · Great houses of Chaco Canyon

The slabs are a natural rockfall and the spirals were carved where its light fell, so the marking is…

The slabs are a natural rockfall and the spirals were carved where its light fell, so the marking is deliberate in the carving but not in the slabs.

Most likelyAnswers 1 questionPublished0

Where it stands

Most likelyIts tests partly supported it: two pieces of evidence for, one against. It needs two reviews to be accepted.

What it predicts

  • The slabs match the cliff they fell from and show no tool marks or packing.

What would rule it out

  • Tool marks, shaping or built footings on the slabs.

Evidence 2 for · 1 against

The questions it answers

Most likelyThe site was a sun shrine where the solstices and equinoxes were watched and honoured, not a calendar for…

Cite it

Mysteries Department. (2026). The slabs are a natural rockfall and the spirals were carved where its light fell, so the marking is… [Answer ANS0D9KVJ1621H0]. https://mysteriesdept.com/r/ANS0D9KVJ1621H0
Private beta Downloads are for beta members

We're in a private beta while we get things right. Everything here is free to read; downloading datasets, sources and code is open to members for now.

It takes a couple of minutes. We'll reply by email.