Fig. 4: West African dated Stone Age sites with key off-site palaeoenvironmental proxy records.
From: Humans in Africa’s wet tropical forests 150 thousand years ago

Insolation curve (dark blue) from ref. 46. Inter-regional African humidity curve (purple) from ref. 47. Benthic curve (light brown) built from ref. 48. Synthesis of dated occupations from West Africa from refs. 48,49,50 (for more details, see Supplementary Information Section SI-5). The Later Stone Age sites are not included. Error bars associated with OSL and ESR ages represent ± 1σ uncertainties.