Archaeology
Divers explore 5,000-year-old stone piles submerged in alpine lake
Members of the Bavarian Society for Underwater Archaeology are conducting a study of 5,000-year-old man-made stone piles submerged in Lake Constance, an alpine lake that borders Germany, Austria and Switzerland.
Most of the piles (cairns) are located at a depth of four to six metres between the municipalities of Romanshorn and Altnau, which upon the announcement of their discovery in 2019 were dubbed the “Swiss Stonehenge”.
A previous study by the Archaeology Office of the Swiss Canton of Thurgau determined that the stone piles were man-made, as the piles were placed on the post-glacial banded lake deposits and were not transported as a result of glacial debris.
Based on estimates, around 80,000 tons of rock were transported to build over 200 stone piles, making the monuments one of the largest prehistoric construction sites in Europe.
One of the piles between Lindau and Wasserburg has so far been dated to between 3500 and 3200 BC during the Neolithic period, however, the purpose of the monuments is speculated.
Upon consulting with the Bavarian State Office for Monument Preservation, the dive team, consisting of technical specialists and underwater archaeologists, photographed a cluster of stone piles near Reutenen, with the intention of creating a photo mosaic for a photogrammetric analysis.
Tobias Pflederer, the leader of the exploratory team suggests that the monuments could be platforms in connection with a cult of the dead on the lakeshore, a hypothesis shared by several Swiss researchers.
Urs Leuzinger from the Office for Archaeology Thurgau, said: “It is conceivable that there would be platforms protruding from the water as artificial islets along the lake shore, on which ritual activities took place as part of a burial ceremony. The transition from land to water would have been a central element of the ritual.”
Header Image – Lake Constance – Image Credit : Shutterstock
This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily
A study of archaeological sites in Winchester, England, has revealed that red squirrels served as a host for Mycobacterium leprae strains that caused leprosy in people.
Leprosy is one of the oldest recorded diseases in human history and is still prevalent to this day in Asia, Africa, and South America.
It has previously been suggested that the extensive trade of red squirrel fur, greatly valued during medieval times, could have contributed to the leprosy epidemic in medieval Europe.
The results of the study, published in the journal Current Biology, studied 25 human and 12 squirrel samples from two medieval sites in Winchester.
During this period, the city had strong connections to the fur trade and housed the leprosarium, a hospital that treated people with Hansen’s disease (leprosy) caused by Mycobacterium leprae bacteria.
Verena Schuenemann of the University of Basel in Switzerland, said: “With our genetic analysis we were able to identify red squirrels as the first ancient animal host of leprosy.”
The study found that the medieval red squirrel strains were more closely related to human strains in Winchester, rather than to modern squirrel strains from England – suggesting an independent circulation of Mycobacterium leprae strains.
“Our findings highlight the importance of involving archaeological material, in particular animal remains, into studying the long-term zoonotic potential of this disease, as only a direct comparison of ancient human and animal strains allows reconstructions of potential transmission events across time,” says Sarah Inskip of the University of Leicester, UK, a co-author on the study.
Header Image Credit : Shutterstock
Sources : Current Biology, Urban, Blom, and Avanzi et al.: “Ancient Mycobacterium leprae genome reveals medieval English red squirrels as animal leprosy host.” https://www.cell.com/current-biology/fulltext/S0960-9822(24)00446-9
This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily
Archaeologists from the Uncovering Roman Carlisle project have discovered a rare lump of Tyrian purple at the grounds of the Carlisle Cricket Club in Carlisle, England.
The project is a community supported excavation by Wardell Armstrong, focusing on uncovering a Roman bath house found in 2017.
The bath house is located near the Roman fort of Uxelodunum (meaning “high fort”), also known as Petriana, in the Carlisle district of Stanwix.
Uxelodunum was constructed to control the territories west of present-day Carlisle and an important crossing on the River Eden. The fort was garrisoned by the Ala Petriana, a 1,000-strong cavalry unit, whose members were all granted Roman citizenship for valour on the field.
Previous excavations at the bath house have discovered colossal sandstone heads depicting Roman gods, in addition to engraved gems known as intaglios, figurines, animal bones, and imperial-stamped tiles.
During the latest season of excavations, archaeologists found a mysterious lump of a soft purple substance. The substance was tested by researchers from Newcastle University, revealing that it contained levels of Bromine and beeswax.
According to the researchers, the substance is Tyrian purple, a coloured dye associated with the Imperial Court in the Roman Empire. Tyrian purple is secreted by several species of predatory sea snails in the family Muricidae, rock snails originally known by the name Murex.
Frank Giecco, Technical Director at Wardell Armstrong, said: “For millennia, Tyrian Purple was the world’s most expensive and sought after colour. It’s presence in Carlisle combined with other evidence from the excavation all strengthens the hypothesis that the building was in some way associated with the Imperial Court of the Emperor Septimius Severus which was located in York and possibly relates to an Imperial visit to Carlisle.”
“It’s the only example we know of in Northern Europe – possibly the only example of a solid sample of the pigment in the form of unused paint pigment anywhere in the Roman Empire. Examples have been found of it in wall paintings (like in Pompeii) and some high status painted coffins from the Roman province of Egypt,” said Giecco.
Header Image Credit : Wardell Armstrong
Sources : Wardell Armstrong
This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily
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