# Archaeomagnetic analysis found one of six Glozel ceramics heated twice, and Risø and Oxford obtained dates of about…

> Archaeomagnetic analysis found one of six Glozel ceramics heated twice, and Risø and Oxford obtained dates of about 600 BC and AD 830 on the same tablet…

Source: https://mysteriesdept.com/mysteries/glozel/evidence/EVD0DEDYSG26B06/archaeomagnetic-analysis-found-one-of-six-glozel-ceramics  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Glozel: the inscribed tablets of the Fradin field](https://mysteriesdept.com/mysteries/glozel)Evidence

Evidence · Glozel: the inscribed tablets of the Fradin field

# Archaeomagnetic analysis found one of six Glozel ceramics heated twice, and Risø and Oxford obtained dates of about…

Archaeomagnetic analysis found one of six Glozel ceramics heated twice, and Risø and Oxford obtained dates of about 600 BC and AD 830 on the same tablet fragment.

Supported0

## What it means

Key question[Do the thermoluminescence dates on the Glozel ceramics record the original firing or a later reheating?](https://mysteriesdept.com/mysteries/glozel/questions/QST0DEDTPR71P95/do-the-thermoluminescence-dates-on-the-glozel-ceramics)

2 answers, none ahead yet

**Open** unchanged

Answer this evidence bears on[Reheating reset the TL clock on some objects](https://mysteriesdept.com/mysteries/glozel/answers/ANS0DEDX0GD6M8Q/reheating-reset-the-tl-clock-on-some-objects)

Supports2 for, none against

**Still possible** unchanged

## Next steps 1

1

Add the 2023 Guilaine-Miallier dates and the full 1976 TL sample table to the dates dataset, with sampling surfaces.

~5 h

[On: Do the thermoluminescence dates on the Glozel ceramics record the original firing or a later reheating?](https://mysteriesdept.com/mysteries/glozel/questions/QST0DEDTPR71P95/do-the-thermoluminescence-dates-on-the-glozel-ceramics)

**—** not judged

Ranked by how likely each is to move the key question, for the time it takes

## Sources 3

[Archaeomagnetic analyses of six Glozelian ceramic artifacts](https://mysteriesdept.com/sources/SRC0DEDK6S7H6VF/archaeomagnetic-analyses-of-six-glozelian-ceramic-artifacts)

Barbetti 1976

SRC

[Résumé des recherches effectuées à Glozel entre 1983 et 1990, sous l'égide du ministère de la Culture](https://mysteriesdept.com/sources/SRC0DEDJ8461BM1/resume-des-recherches-effectuees-a-glozel-entre-1983-et-1990)

Daugas et al. 1995

SRC

[The Scientific Analyses of Glozel](https://mysteriesdept.com/sources/SRC0DEDK60WJEK6/the-scientific-analyses-of-glozel)

Gerard et al. 2004

SRC

## Cite it

```
Mysteries Department. (2026). Archaeomagnetic analysis found one of six Glozel ceramics heated twice, and Risø and Oxford obtained dates of about… [Evidence EVD0DEDYSG26B06]. https://mysteriesdept.com/r/EVD0DEDYSG26B06
```

Key

**EVD** 0DEDYSG26B06

Kind

Evidence

Tier

Supported

Version

1

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/EVD0DEDYSG26B06)