Overview
- The study published in July 2026 analysed sandstone, bricks and ballast from the 1629 Batavia wreck using detrital zircon U–Pb dating on samples supplied by the Western Australian Museum.
- Researchers found visually similar sandstone blocks came from at least two distinct quarry regions in what is now Germany, overturning the assumption that the cargo came from a single source.
- The geochemical matches suggest the Dutch East India Company gathered stone from different quarries and centralised it—likely at a northwest European hub such as Amsterdam—before loading a single shipment bound for Batavia (now Jakarta).
- Lead authors said the team will expand analyses to more Batavia stones and other shipwreck materials to map European quarry sources and reconstruct 17th‑century supply routes more fully.
- The study demonstrates that microscopic zircon fingerprints can reveal origins where written records are missing and changes how historians see the logistics behind early colonial construction and trade.