The Monte Verde research team dated wooden tools and charcoal from hearths using radiocarbon methods instead of the chemically contaminated cordage.
Notes on verification
Confirmed by multiple sources including academic (Cambridge/Antiquity) and archaeological press, though details on which specific samples were excluded due to contamination require further primary-source cross-checking.
Sources
- Monte Verde Under Fire - Archaeology Magazine Archive (archive.archaeology.org)
- https://www.cambridge.org/core/journals/antiquity/article/monte-verde-ii-an-assessment-of-new-radiocarbon-dates-and-their-sedimentological-context/CF19BDBDE1ECE700EE59C7BF7CF502FF (cambridge.org)
- https://en-academic.com/dic.nsf/enwiki/491131 (en-academic.com)