Terra Preta (Santarém region)
Patches of very dark, fertile soil around Santarém, Brazil, rich in charcoal and pottery sherds. They are man-made: evidence that large Amazonian populations managed and enriched their land.
Dated events and their evidence
- 500 BCE mainstream
widespread dark-earth formation from roughly 2,500 years ago; regional start dates vary source
Where
2.5000° S, 54.7000° W
Sources
Each event carries Aion's own evidence grade (mainstream, disputed or speculative). This page repeats what the globe shows for this place.