Coral Blocks Revolutionize Dating of Colonial Sites in Pacific
**Coral Blocks Revolutionize Dating of Colonial Sites in Pacific** Archaeologists have developed an innovative new technique using coral building materials to more accurately date colonial-era structures in remote Pacific islands. In French Polynesia’s Mangareva Islands, scientists successfully applied uranium-thorium (U-Th) dating to coral blocks from 19th-century missionary buildings, providing fresh insights into a transformative period … Read more