In 2009, a ground-breaking study by Genevieve von Petzinger revealed that dots, lines and other geometric signs found in prehistoric European caves may be the precursor to an ancient system of written communication dating back nearly 30,000 years. Von Petzinger, with University of Victoria anthropology professor April Nowell, compiled the markings from 146 different sites in Ice Age France, making it possible to compare the signs on a larger scale than had ever previously been attempted.
What made her research new was that she was able to use a whole range of modern technology to compare inventories and digital images from nearly 150 locations allowing her the ability to observe startling similarities among the different sites studied.
26 repeating signs
Building on previous work by other scholars who tended to focus on the local or regional level, von Petzinger and Nowell were surprised by the clear patterning of the symbols across space and timesome of which remained continually in use for over a period of 20,000 years.
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