QuestionsGreat houses of Chaco CanyonWas the Fajada Butte spiral made and used as a solar calendar?Answer
Answer · Great houses of Chaco Canyon
The slabs were set or shaped so that midday light marks the solstices and equinoxes on the spirals, and the…
The slabs were set or shaped so that midday light marks the solstices and equinoxes on the spirals, and the site was used as a solar calendar.
Where it stands
Most likelyIts tests partly supported it: three pieces of evidence for, two against. It needs two reviews to be accepted.
What it predicts
- Tool marks, shaping or packing on the slabs or their footings.
- A marking precise enough to anticipate the solstice, as a working calendar needs.
What would rule it out
- Proof that the slabs fell into place unaided and unshaped, with a demonstration that the marking cannot anticipate the solstice.
Evidence 3 for · 2 against
FOR
FOR
FOR
AGAINST
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 were set or shaped so that midday light marks the solstices and equinoxes on the spirals, and the… [Answer ANS0D9KVGJA3VMP]. https://mysteriesdept.com/r/ANS0D9KVGJA3VMP
@misc{mysteriesdept_ans0d9kvgja3vmp,
title = {The slabs were set or shaped so that midday light marks the solstices and equinoxes on the spirals, and the…},
author = {{Mysteries Department}},
year = {2026},
note = {Answer, catalog key ANS0D9KVGJA3VMP},
url = {https://mysteriesdept.com/r/ANS0D9KVGJA3VMP}
}