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Libyan archaeological sites in danger due to coastal erosion

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A study published in the open-access journal PLOS ONE, reveals that  escalating coastal erosion poses a threat to the preservation of archaeological sites located along the Libyan shoreline.

Eastern Libya’s Cyrenaican coast, spanning from the Gulf of Sirte to the current border between Libya and Egypt, boasts a rich history of human habitation dating back to the Palaeolithic era. As a result, it is home to a multitude of significant archaeological sites, many of which have yet to be thoroughly studied.

Nonetheless, the coast is subject to frequent and severe erosion, posing a threat to the preservation of these invaluable sites. Although comprehensive evaluations of coastal erosion and the susceptibility of archaeological sites have been conducted for other notable shorelines, such investigations are yet to be conducted for this region.

By employing a combination of historical and contemporary data sources such as aerial and satellite imagery and on-site observations, this research analysed erosion patterns along the Cyrenaican coast, specifically in close proximity to significant archaeological sites.

The team’s investigation revealed that the areas surrounding Apollonia, Ptolemais, and Tocra are undergoing severe shoreline erosion, with the rate of erosion progressively intensifying in recent years. Such degradation is believed to be a result of human actions such as urbanisation and sand mining.

The study demonstrated that the current rates of coastal erosion are already a significant concern for these archaeological sites, and that these rates are expected to escalate in the future due to rising sea levels brought on by climate change and additional human activities. As a consequence, these sites are in danger of gradual damage and the loss of invaluable historical information.

According to the paper authors: “The impact of erosion here is considerable and could get worse in the future. Our research highlights the critical need to support our Libyan colleagues in mitigating the damage to these endangered and irreplaceable heritage sites.”

PLOS ONE

https://doi.org/10.1371/journal.pone.0283703

Header Image Credit : Saad Buyadem, CC-BY 4.0

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Archaeology

New type of amphora found on Roman shipwreck

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A study of a Roman shipwreck off the coast of Mallorca has identified a new type of amphora.

The shipwreck, known as the shipwreck of Ses Fontanelles, was discovered 65 metres from the coast of a tourist beach near Mallorca’s capital of Palma.

According to a paper published in the journal Archaeological and Anthropological Sciences, the ship dates from the 4th century and likely departed from Cartagena in southeastern Spain while navigating the trade routes of the western Mediterranean.

Archaeologists found in the hold a cargo packaged in amphorae, some of which have painted inscriptions (tituli picti) on the exterior. The inscriptions provide information such as the origin, destination, type of product, and the owner of the goods – identified as “Alunnius et Ausonius.”

The amphorae have been classified into four main group types. The most abundant is the Almagro 51c type amphorae, for which the tituli picti indicate a contents of fish sauce which derives almost exclusively from a single species: the European anchovy (Engraulis encrasicolus)

The other groups consist of the flat-bottomed amphorae, the Keay XIX type, and a new type of amphora named Ses Fontanelles I, which is larger and heavier than most other amphorae types and was used for carrying plant oil.

According to the study authors: “All the analytical data suggest that Alunnius et Ausonius prepared a trade enterprise fleeting, a merchant ship with a cargo composed mainly of fish sauce (Liquaminis flos), in Almagro 51c amphora, oil transported in Ses Fontanelles I amphorae (probably an imitation of Dressel 23 type), and grape derivates or fruits preserved in those substances in flat-bottomed amphorae.”

Header Image Credit : Arqueomallornauta – Consell de Mallorca

Sources : Cau-Ontiveros, M.Á., Bernal-Casasola, D., Pecci, A. et al. Multianalytical approach to the exceptional Late Roman shipwreck of Ses Fontanelles (Mallorca, Balearic Islands, Spain). Archaeol Anthropol Sci 16, 58 (2024). https://doi.org/10.1007/s12520-024-01952-3

This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily

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Archaeologists reveal hundreds of ancient monuments using LiDAR

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A new study published in the journal Antiquity has revealed hundreds of previously unrecorded monuments at Baltinglass in County Wicklow, Ireland.

The Baltinglass area (known as ‘Ireland’s Hillfort Capital’) has a high density of Early Neolithic and Late Bronze Age monuments, however, very little evidence has been recorded that dates from the Middle Neolithic period.

According to Dr James O’Driscoll from the University of Aberdeen, the ancient landscape around Baltinglass was incredibly important to the Early Neolithic people, however, the lack of Middle Neolithic evidence suggests that this importance was lost until the Late Bronze Age.

Using advanced LiDAR technology, archaeologists have created detailed three-dimensional models, revealing hundreds of ancient sites that that been destroyed by thousands of years of ploughing.

Image Credit : Antiquity

Light Detection and Ranging (LiDAR), is a method of remote sensing using light in the form of a pulsed laser to measure ranges (variable distances) to the Earth. The differences in the laser return times and wavelengths can be used to compile a 3-D digital map of the landscape.

The most significant discovery from the survey is a cluster of five cursus monuments, the largest example found in both Britain and Ireland. The purpose of such monuments are speculative, but some theories propose that they were used in rituals connected with ancestor veneration, that they follow astronomical alignments, or that they served as buffer zones between ceremonial and occupation landscapes.

Image Credit : Antiquity

According to the study authors: “These five cursus monuments are clearly aligned with burial monuments in the landscape, as well as the rising and setting sun during major solar events such as the solstice.”

“This may have symbolised the ascent of the dead into the heavens and their perceived rebirth, with the cursus physically setting out the final route of the dead, where they left the land of the living and joined the ancestors beyond the visible horizon,” said Dr O’Driscoll.

Header Image Credit : Antiquity

Sources : Antiquity | Exploring the Baltinglass cursus complex: routes for the dead? – James O’Driscoll. https://doi.org/10.15184/aqy.2024.39

This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily

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