Interregional exchange between Norte Chico and Andean highlands (c. 3000–1800 BCE)

1. End of the “Cotton Preceramic” exchange regime

   Jan 1, 1800Labels: Norte Chico, Cotton Preceramic

   • Nature
   • Caral Supe

2. Caral and peer centers begin to decline

   Jan 1, 1900Labels: Caral, Norte Chico

   • Nature
   • Caral Supe

3. Late Archaic exchange remains varied and uneven

   Jan 1, 2100Labels: Obsidian studies, Late Archaic

   • MapAspects
   • Cambridge

4. Coastal influence spreads along valleys and coast

   Jan 1, 2200Labels: Central coast, Valleys

   • Nature
   • Caral Supe

5. Staff God imagery appears in regional exchange milieu

   Jan 1, 2250Labels: Staff God, Pativilca

   • Caral Supe
   • Nature

6. Highland–coastal links expand via fiber and craft inputs

   Jan 1, 2300Labels: Textiles, Camelid fiber

   • Springer
   • ScienceDirect

7. Interzonal exchange integrates cotton, fish, and textiles

   Jan 1, 2400Labels: Interzonal exchange, Textiles

   • Nature
   • Science

8. Áspero functions as coastal fishery counterpart

   Jan 1, 2500Labels: spero, Coastal fishery

   • Nature
   • spero

9. Huaricanga develops as an early regional center

   Jan 1, 2560Labels: Huaricanga, Fortaleza Valley

   • Nature
   • Huaricanga

10. Caral’s monumental center emerges in Supe Valley

    Jan 1, 2627Labels: Caral, Supe Valley

    • Science
    • Nature

11. Cotton net production underpins coast–valley exchange

    Jan 1, 2900Labels: Cotton, Fishing nets

    • Science
    • Nature

12. Early Supe settlements and irrigation expansion

    Jan 1, 3000Labels: Supe settlements, Irrigation

    • Britannica
    • Nature