About the Authors
- Scott A. Hocknull
- Geosciences, Queensland Museum, Brisbane, Queensland, Australia
- Philip J. Piper
- Archaeological Studies Program, University of the Philippines, Quezon City, Philippines
- Gert D. van den Bergh, Michael J. Morwood
- School of Earth and Environmental Sciences, University of Wollongong, Wollongong, New South Wales, Australia
- Rokus Awe Due
- Indonesian Centre for Archaeology, Jakarta, Indonesia
- Iwan Kurniawan
- Geological Survey of Indonesia, Bandung, Indonesia
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SAH. Performed the experiments: SAH PP GvdB MM. Analyzed the data: SAH. Wrote the paper: SAH PP GvdB MM. Integral to the excavation and recovery of material for this study: RAD IK.