A study of hash-marked pendants and artifacts from Germany and southern France used computers to measure the spacing of marks on pieces roughly 15,000–20,000 years old. The presenter also discusses the incised bone from Abri Blanchard in France, dated to about 28,000 years ago. The video argues that Alexander Marshack's lunar reading of the bone tracked lunar phases over successive months and that notation systems were passed down through generations. 🌙
28,000-year-old Abri Blanchard “lunar” bone and 15,000–20,000-year-old marked pendants

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📍 Abri Blanchard🌍 Show on the globe
Key facts
- The computer-assisted study examined hash-like marks on pendants and other artifacts from Germany and southern France, with pieces dated to roughly 15,000–20,000 years ago.
- The Abri Blanchard bone is dated to about 28,000 years ago, rather than 35,000 years. Alexander Marshack interpreted its sequence of marks as a lunar notation.
- The claims that the marks tracked lunar phases over successive months and that notation systems were passed down through generations are the video's interpretation.
Sources
Ancient humans used the moon as a calendar in the skysciencenews.org
On a bone shard from a prehistoric settlement called Abri Blanchard in France, dating to 28,000 years ago, he found a pattern of pits, some with ...
Upper Paleolithic Notation Systems in Prehistoric Europepenn.museum
Through identifying lunar calendars and hence "time-factoring" in Paleo- lithic life, bone plaque from Abri Blanchard. The sequence of marks is compared to a ...
File:Lunar calendar Blanchard MAN ArtsEtPrehistoire.jpgcommons.wikimedia.org
Bone engraved with geometric patterns, so-called “lunar calendar“, ca. -40.000/-35.000 years. From the Blanchard rock shelter, Sergeac, Dordogne, France.
Astronomy at Abri Blanchard - Cave Script Translation Projectcavescript.org
This article builds on Alexander Marshack's study of a 35000 year old bone, and demonstrates that the notation portrays both a lunar and a solar calendar.
Abri Blanchard Calendar: The Moon - Cave Script Translation Projectcavescript.org
the Abri Blanchard bone depicts cycles of both the sun and the moon. the moon's phases appear to match those on the bone. begins with the Chinese New Year on 3 ...
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