What does this research mean for the field?

Elliptic Fourier Transforms effectively discriminate olive stone taxonomy, and charring up to 350°C does not prevent reliable classification against modern uncharred references, allowing archaeological stones to be matched with present-day varieties. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

Determine the most effective morphometric technique to distinguish wild and domesticated olive stones, evaluate the morphological impact of charring, and identify archaeological varieties.

September 8, 2026World Archaeology

Revealing archaeological olive diversity: insights from stone geometric morphometrics, experimental charring, and varietal identification (Port-la-Nautique, France, Roman period)

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Authors

JTJ. TestasCentre National de la Recherche Scientifique AEAllowen EvinCentre National de la Recherche Scientifique SISarah IvorraCentre National de la Recherche Scientifique

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Implication

Morphometric analysis demonstrates reliable varietal classification of charred Roman olive stones using elliptic Fourier transforms, indicating continuity with modern agrobiodiversity.

Key Points

Determine the most effective morphometric technique to distinguish wild and domesticated olive stones, evaluate the morphological impact of charring, and identify archaeological varieties.
Evaluated ten stone geometric morphometric approaches to optimize discrimination between wild, domesticated, and varietal olive stone forms.
Conducted controlled experimental charring under varied temperatures, durations, and atmospheres to quantify shape alterations.
Analyzed 261 archaeological olive stones recovered from the Roman villa of Port-la-Nautique and Capelles fishpond in Narbonne, France.
Elliptic Fourier Transforms yielded the highest accuracy for taxonomic and varietal discrimination among tested morphometric methods.
Charring temperatures up to 350°C did not compromise morphological integrity enough to prevent classification against uncharred modern references.
Archaeological stones from Roman contexts were classified for the first time as morphologically resembling present-day cultivated varieties.

Cite This Study

Testas et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd7b758e84d0ff5b469c5 https://doi.org/10.1080/00438243.2026.2723152

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Implication

Morphometric analysis demonstrates reliable varietal classification of charred Roman olive stones using elliptic Fourier transforms, indicating continuity with modern agrobiodiversity.

Revealing archaeological olive diversity: insights from stone geometric morphometrics, experimental charring, and varietal identification (Port-la-Nautique, France, Roman period)

Discussion

Member takes

Implication

Key Points

Cite This Study

Revealing archaeological olive diversity: insights from stone geometric morphometrics, experimental charring, and varietal identification (Port-la-Nautique, France, Roman period)

Discussion

Member takes

Implication

Key Points

Cite This Study

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