Related Experiment Video
Updated: Oct 7, 2025
07:27
Author Spotlight: On-Site Biochar Production for Woody Debris Incineration in Forestry
Published on: January 5, 2024
3.1K
A new method for birch tar making with materials available in the Stone Age
Tabea J Koch1, Patrick Schmidt2,3
1Department of Early Prehistory and Quaternary Ecology, Eberhard Karls University of Tübingen, Tübingen, Germany. tabeakoch@palaeome.org.
Scientific Reports
|January 11, 2022
Summary
Researchers experimented with prehistoric birch tar production methods. Using river cobbles and flint, they successfully replicated Neanderthal birch tar techniques, finding these methods more efficient than previously thought.
Area of Science:
- Archaeological science
- Paleolithic technology
- Experimental archaeology
Background:
- Birch tar use dates to the European Middle Paleolithic, offering insights into Neanderthal technical and cognitive skills.
- The exact methods of prehistoric birch tar production remain largely unknown due to limited archaeological evidence.
Purpose of the Study:
- To investigate the feasibility and efficiency of Neanderthal birch tar production techniques using historically available materials.
- To test a proposed groove-like structure method for birch tar extraction.
Main Methods:
- Replication of a groove-like structure for birch tar production using river cobbles and flint fragments.
- Comparison of tar yields from the experimental grooves with the condensation method.
Main Results:
- Successful production of birch tar using both cobble and flint grooves.
- The experimental groove methods demonstrated higher efficiency in tar yield per bark input compared to the condensation method.
Conclusions:
- The study provides evidence that Neanderthals could have produced birch tar using groove techniques with readily available materials like river cobbles and flint.
- These findings offer a plausible explanation for prehistoric birch tar manufacturing and enhance our understanding of Neanderthal technological capabilities.
