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Evidence of prehistoric glue used 20,000-years-ago during the Palaeolithic period

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Researchers from UNED and the Autonomous University of Madrid (UAM) have found evidence of adhesives being used to fasten lithic hunting heads to arrow shafts approximately 20,000-years-ago.

In a paper, published in the Journal of Archaeological Science : Reports, scientists have analysed Solutrean points found in the El Buxu cave, located in the Principality of Asturias, Spain.

The cave contains prehistoric art from the Solutrean and Magdalenian period, including depictions of animals such as horses and deer, as well as geometric shapes referred to as tectiformes, that might be early depictions of ancient hunting traps.

Archaeologists conducting excavations in the cave proved the existence of several Palaeolithic occupations, indicated by tools such as burins and endscapers made from quartzite and flint.

A palaeontological study of macro-mammals suggest that the cave was a seasonal site for hunting young deer (Cervus elaphus) during spring, as well as goats (Capra pyrenaica) and chamois (Rupicapra rupicapra).

A study of lithic hunting heads found in the Solutrean levels was conducted using an infrared (IR) microscopy analysis, indicating that Palaeolithic hunters used a mixture of pine resin and beeswax as an adhesive to fasten the heads to arrow shafts.

According to the researchers, this is the first evidence of remains of adhesives used in this type of Solutrean point, where adhesives were found on the dorsal face of the projectile at the junction of the notch with the tip.

Reporting on the discovery, Professor Francisco Javier Muñoz from UNED, said: “Pine resin is a very strong glue but would be very brittle when faced with the blows that the tips would receive during their use, that is why it was mixed with beeswax to create a much more elastic adhesive”.

UNED

https://doi.org/10.1016/j.jasrep.2023.103901

Header Image Credit : UNED

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Archaeology

Archaeologists link biblical event to findings in the City of David

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Excavations led by the Israel Antiquities Authority, working in collaboration with Tel Aviv University and the Weizmann Institute of Science, have linked an event mentioned in the Bible to archaeological findings from the City of David.

The results of the excavation, published in the journal PNAS, challenges the accepted perceptions of the development of Jerusalem during the rule of the kings of Judah. In particular, the scope of Jerusalem during the reigns of David and Solomon and the period that followed.

The researchers have accurately dated several structures, including the city walls and royal construction projects, which are linked to Jerusalem’s growth to the west during the period of King Hezekiah around 2,700-years-ago.

The previous assumption was that the city expanded due to the arrival of refugees due to the Assyrian exile, however, the new findings now indicate that the city spread towards Mount Zion in the 9th century BC during the reign of King Jehoash, 100 years before the Assyrian exile period.

Prof. Yuval Gadot from the Department of Archeology at Tel Aviv University, said: “In light of this, the new research teaches us that the expansion of Jerusalem is a result of internal-Judean demographic growth and the establishment of political and economic systems.”

Excavations have also revealed that the wall of Jerusalem on the eastern slopes of the city of David is older than previously thought. It was thought that the wall in this area was built by Hezekiah, King of Judah, however, findings now indicate that it dates from the reign of King Uzziah.

King Uzziah is described in a passage in the bible that reads: “’And Uzziah built towers in Jerusalem… and strengthened them” (2 Chronicles 26:9).

According to Dr. Uziel: “Until now, many researchers have assumed that the wall was built by Hezekiah during his rebellion against Sennacherib (King of Assyria), in order to defend Jerusalem during the Assyrian siege. It is now apparent that the wall in the easter part of the City of David, was built earlier and as part of the construction of the city during the reign of King Uzziah.”

Header Image Credit : Leonardo Gurvitz, City of David Archives

Sources : IAA

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

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Ancient Pueblo used conch-shell trumpets for communication

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A new study, published in the journal Antiquity, suggests that the ancient Pueblo culture used conch-shell trumpets for communication.

The focus of the study is the site of the Chaco Canyon in north-west New Mexico. Located in Chaco Culture National Historic Park, Chaco Canyon contains numerous small dwellings and multi-story buildings known as great houses.

Based on the density of structures, archaeologists speculate that the site was once a bustling metropolis, inhabited by as many as 2,300 people during its height from AD 1050 to 1130.

Conch-shell trumpets have been found in burial contexts at Chaco Canyon, which today are used in contemporary Pueblo ritual practices.

Using a Soundshed Analysis model, archaeologists have digitally modelled the sound of a conch-shell trumpet being sounded at a great house in relation to other features in the landscape. Soundshed Analysis calculates the distance a sound can travel from a point, taking into account both the type of sound and environmental conditions such as elevation and ambient noise.

“Chaco Canyon is surrounded by over one hundred understudied great house communities”, says lead author Professor Ruth Van Dyke from Binghamton University. “We sought to determine if extra-canyon great house communities demonstrated relationships similar to Chaco Canyon between landscape, community layout, and sound.”

In this case, the team modelled the sound of a conch from great houses at five Chacoan communities to determine whether it would reach all habitation sites within the community.

They found that if somebody blew a conch-shell trumpet from the great house at the centre of all five Chacoan communities, the sound would have reached almost all of the surrounding settlements.

This suggests that ancient Puebloans may have managed their land-use and community structures around the sound of trumpets. The sound was potentially used to signal communal activities, such as religious ceremonies.

“This is not unlike the idea of a medieval church bell calling a community to mass”, states Professor Van Dyke.

It also indicates how Chacoan heritage sites should be managed going forward.

“Soundscapes were meaningful dimensions of past experiences, landscapes, and environments and are important facets of social interaction in the ancient world,” observes Professor Van Dyke. “Management of archaeological and heritage sites should incorporate consideration of the auditory environment.”

Header Image Credit : Shutterstock

Sources : Antiquity | Seashells and sound waves: modelling soundscapes in Chacoan great-house communities – Ruth M. Van Dyke, Kristy E. Primeau, Kellam Throgmorton & David E. Witt. https://doi.org/10.15184/aqy.2024.54

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

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