Chronology and radiocarbon calibration of Norte Chico sites (c. 3500–1500 BCE)

1. Earliest dated occupation at Áspero

   Jan 1, 3700 BCELabels: spero, Supe River

   • ThoughtCo
   • Aspero

2. Earliest dated occupation at Huaricanga

   Jan 1, 3220 BCELabels: Huaricanga, Fortaleza Valley

   • Piscitelli PDF
   • Nature 2004

3. Norte Chico monumental complex dated to 3000–1800 BCE

   Jan 1, 3000 BCELabels: Norte Chico, Fortaleza Valley

   • Nature 2004

4. Earliest calibrated dates at Caral (Supe Valley)

   Jan 1, 2627 BCELabels: Caral, Supe Valley

   • PubMed
   • Field Museum

5. Huaricanga temple dated around 2560 BCE

   Jan 1, 2560 BCELabels: Huaricanga Temple, Huaricanga

   • Huaricanga
   • Huaricanga FR

6. Late range of Áspero dates supports long occupation

   Jan 1, 2420 BCELabels: spero, Supe Coast

   • ThoughtCo

7. Caral radiocarbon sequence spans to about 1977 BCE

   Jan 1, 1977 BCELabels: Caral, Supe Valley

   • PubMed

8. Norte Chico decline horizon around 1800 BCE

   Jan 1, 1800 BCELabels: Norte Chico, Decline Horizon

   • Nature 2004
   • Caral Supe

9. IntCal98 becomes standard for late-1990s/early-2000s calibrations

   Jan 1, 48 BCELabels: IntCal98, Radiocarbon Calibration

   • Radiocarbon
   • Nature 2004

10. Caral radiocarbon chronology published in Science

    Apr 27, 2001Labels: Caral, Science paper

    • PubMed

11. Nature publishes 95-date Norte Chico radiocarbon program

    Dec 23, 2004Labels: Nature paper, Norte Chico

    • Nature 2004

12. IntCal20 calibration curve published

    Aug 12, 2020Labels: IntCal20, Calibration Curve

    • Radiocarbon