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Who lived at the Richat Structure, and when?

Asked 28 Oct 2026 by ·3 answers·0·0 following
Three answers, none aheadNone is ahead yet. See what would settle it.

Where it stands

Three answers have been proposed. None is ahead on the evidence yet. Three are still possible. Of the one narrower question under it, none is answered yet.

Why it matters

The outer ring holds one of the largest accumulations of early stone tools in the Sahara, but none is dated and almost all lie on the surface⁠[1]⁠[2]. Who made them, and whether anyone ever built there, is the archaeological question underneath the Atlantis debate.

Answers 3

Evidence: none yet
Still possible

What would settle it

  1. Look for published records of Neolithic sites, tumuli and the Tililit engravings in the Richat (Vernet, Lluch and Philip 2003, Monod 1938) and add any dated finds.

History

  1. Sao et al.: pre-Acheulean and Acheulean accumulations lie in the outer ring by the wadis and quartzite outcropsFor: Palaeolithic hunter-gatherers in wet phases, later Holocene peoples who left engravings; no town
  2. Giresse et al.: the large tools were made on the spot and concentrated by wind erosionFor: Palaeolithic hunter-gatherers in wet phases, later Holocene peoples who left engravings; no town
  3. Colavito: no city, pottery, walls or engineering works have been reported from the structureAgainst: An urban, seafaring people, the Atlanteans, lived there until about 9600 BC
  4. Novella: no city, pottery, walls or engineering works have been reported from the structureAgainst: An urban, seafaring people, the Atlanteans, lived there until about 9600 BC
  5. Vernet: engravings at Tililit of several styles show wild animals, cattle, horsemen, a chariot and inscriptionsFor: Palaeolithic hunter-gatherers in wet phases, later Holocene peoples who left engravings; no town
  6. Vernet: the Sahara was probably empty of people between about 28,000 and 11,500 cal BPAgainst: An urban, seafaring people, the Atlanteans, lived there until about 9600 BC
  7. Session 1: raised the question, proposed three answers, found five results bearing on its answers and worked on one of its sub-questions
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