Olmec long‑distance exchange networks across Mesoamerica (c. 1400–400 BCE)

1. Early iron-ore mirrors circulate as prestige goods

   Jan 1, 1000Labels: Iron-ore mirrors, Olmec elites

   • Princeton
   • Mirrors Wiki

2. San Martín Pajapan monument signals Tuxtla connections

   Jan 1, 1000Labels: San Mart, Tuxtla volcano

   • Pajapan Wiki

3. Tuxtla basalt becomes key monumental material

   Jan 1, 1100Labels: Tuxtla basalt, San Lorenzo

   • Britannica
   • Olmecs Wiki

4. Exchange links extend into Oaxaca highlands

   Jan 1, 1150Labels: Oaxaca highlands, Obsidian sources

   • Etlatongo

5. Obsidian exchange intensifies at San Lorenzo

   Jan 1, 1200Labels: San Lorenzo, Obsidian

   • JAS 2013

6. San Lorenzo emerges as an exchange hub

   Jan 1, 1400Labels: San Lorenzo, Exchange hub

   • JAS 2013
   • Britannica

7. Olmec-style influence appears in Soconusco

   Jan 1, 1400Labels: Soconusco, Canton Corralito

   • Oxford HB

8. Tres Zapotes persists as networks fragment and transform

   Jan 1, 4000Labels: Tres Zapotes, Epi-Olmec

   • Britannica

9. La Venta expands greenstone and serpentine offerings

   Jan 1, 8000Labels: La Venta, Greenstone offerings

   • Britannica
   • Ritual Land

10. Motagua jadeite becomes central to interregional exchange

    Jan 1, 8000Labels: Motagua jadeite, Guatemala

    • WHE Jade
    • Motagua Wiki

11. Soconusco shows renewed Gulf Coast-linked Olmec influence

    Jan 1, 8000Labels: Soconusco, La Venta

    • Oxford HB

12. San Lorenzo declines; La Venta rises as focal node

    Jan 1, 9000Labels: San Lorenzo, La Venta

    • Britannica
    • Olmecs Wiki