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Research reveals longstanding cultural continuity at oldest occupied site in West Africa

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Although knowledge of human evolution in West Africa is limited, recent findings suggest that the region exhibits distinct cultural developments when compared to other parts of the continent.

Shedding further light on this topic, a recent article published in the journal Nature Ecology and Evolution examines the oldest archaeologically-dated site in West Africa. The site shows technological continuity spanning roughly 140,000 years and offers insights into the ecological stability of the region.

Our species arose in Africa around 300,000 years ago, and during the period spanning approximately 30,000 to 60,000 years ago, it commonly utilised Middle Stone Age toolkits and associated techniques for tool-making.

During this period, unique Later Stone Age toolkits began appearing in northern, eastern, and southern Africa. Although recent findings indicate that Middle Stone Age toolkits continued to be used in West Africa until around 10,000 years ago, the antiquity of these technologies is poorly understood.

The new study, led by scientists from the Max Planck Institute of Geoanthropology, Université Cheikh Anta Diop de Dakar, University of Sheffield, and University of South Florida, extends the timeframe in which Middle Stone Age toolkits are known from West Africa to 150 thousand years ago, based on excavations from the near-coastal site of Bargny 1.

“The stone tool assemblage dating from 150 thousand years ago shows classic features of the Middle Stone Age, with the use of Levallois and discoidal reduction methods and the use of small retouched flake tools rather than larger implements,” says Dr Khady Niang, lead author of the study. “The assemblage from Bargny 1 is closely comparable to those of a similar age from across the continent, and is the first site from West Africa dating to the Middle Pleistocene, prior to the onset of substantial technological regionalization elsewhere in Africa.”

The site itself is located close to the modern coastline, south of Dakar, Senegal. While no artefacts indicating direct human engagement with coastal resources were recovered at the site, study of the associated environments offer a wider perspective.

“We found mangrove and brackish wetland plant microfossils associated with the site’s occupation,” adds Dr Chris Kiahtipes of the University of South Florida, co-author on the study. “This is particularly interesting because it shows that the site was located near an estuary and demonstrates how important these habitats are to humans past and present.”

The study highlights long-term durability of core elements of Middle Stone Age toolkits in West Africa without evidence for the appearance of specialized technological developments observed elsewhere.

“Middle Stone Age populations adapted to a wide range of habitats and engaged with climatic changes across Africa. But in West Africa, we see considerable environmental stability over the past 150 thousand years,” adds Dr Jimbob Blinkhorn. “One explanation for the enduring cultural continuity we observe is that it was a stable behavioural adaptation to stable environmental conditions, whilst potential isolation from other populations across Africa may have led to demographic stability too. Ultimately, our study helps illustrate the persistent utility of Middle Stone Age technologies to inhabit the diverse habitats found across Africa.”

Max Planck Institute of Geoanthropology

Header Image Credit : Khady Niang

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Archaeology

Archaeologists find five Bronze Age axes in the forests of Kociewie

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According to an announcement by the Pomeranian Provincial Conservator of Monuments, archaeologists have discovered five Bronze Age axes in Starogard Forest District, located in Kociewie, Poland.

The initial discovery was made by history enthusiast, Denis Konkol, who notified local authorities from the Pomeranian provincial conservator of monuments. In Poland, it is forbidden to conduct an amateur search for artefacts using a metal detector, either for commercial or for personal use unless licensed by local authorities, requiring all finds to be reported which become the property of the state.

Upon inspection of the discovery site, archaeologists found five axes within a radius of several dozen metres at a depth of 20 to 30 centimetres beneath a layer of turf and humus.

Igor Strzok, Pomeranian provincial conservator of monuments, said: “The extraction of these finds took place under the archaeological supervision of our colleagues from the Provincial Office for the Protection of Monuments. This means that we prevented possible destruction of the site.”

The five axes date from between 1700 and 1300 BC and were likely a ritual deposit of a cult nature, however, the archaeologists haven’t ruled out that the axes could also be a deposit related to trade.

According to the announcement, the objects are tautušiai type axes associated with Baltic cultures from today’s Lithuania or north-eastern Poland. Defined by their considerable size, the axes feature a slim handle with raised edges and a wide blade.

Previous excavations of Bronze Age sites in the region generally find bracelets or breastplates, while the most recent unearthing of a weapon or Bronze Age tool dates back 20 years, highlighting the scarcity of such finds in the region.

The axes are scheduled to be transported to the Archaeological Museum in Gdańsk, where experts will conduct a thorough examination.

Header Image Credit : Stargard Forest District

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

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Archaeology

Mosaic depicting lions found at ancient Prusias ad Hypium

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Archaeologists have uncovered a mosaic depicting lions during excavations at ancient Prusias ad Hypium, located in modern-day Konuralp, Turkey.

Prusias ad Hypium was a city in ancient Bithynia which was annexed by the Roman Republic in 74 BC. The city flourished as a significant trading hub, maintaining autonomy in its local governance and even issuing its own currency.

The city was rediscovered during the 19th century, with recent excavations being conducted by the archaeology department of Düzce University under the patronage of the Konuralp Museum, and supported by the Municipality of Düzce.

Excavations indicate that the city exhibits characteristics of a Hellenistic polis. Among the surviving remains are remnants of the city walls, a gate within the fortifications, an open-air theatre, an aqueduct, and a Roman bridge.

A recent archaeological study has focused on the theatre, known locally as the “The Forty Stairs”. The theatre was built during the Hellenistic period (300–30 BC) and was expanded in the Roman period.

The study has uncovered the remains of a mosaic depicting a pair of lions, which was found in a room of the portico in the middle of the theatre axis.

The room has a rectangular shape and is adorned with a mosaic covering the entire floor with a geometric floral pattern. At the centre is a mosaic frame depicting the pair of lions either side of a pine tree. Hanging from the tree is a tympanum (a drum or tambourine), and on the left branch is a pan flute.

According to the researchers, the room was dedicated to the cult of Dionysus. During Dionysian processions, it was common to observe Silenus and maenads participating by playing musical instruments such as the tympanum and pan flute.

Header Image Credit : Konuralp Museum

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

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