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Stone Communities Combining: Research





ANI |
Updated:
10 November 2018 23:41 IST

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Washington D.C. [USA], November 10 (ANI): In a recent study, archaeologists have pointed out that inter-community interaction can be more clearly understood by finding out what kind of stone tools they have used.
Tools – mainly Howiesons Poort's blades and support arms – were found in the Klipdrift Shelter, South Africa, South Africa. They were investigated by a group of lithic experts who found different similarities of tools in South Africa's Western Cape, more than 300km away, especially in the Diepkloof Rock Shelter.
Dr. Katja Douze, one of the main principles of research, said: "Although regional specialties are found on different sites, Klipdrift Shelter's similarities with Diepkloof Rock Shelter are amazing." The study was released on PLOS ONE.
Under the guidance of Professor Christopher Henshilwood, a research team surveyed thousands of stone tools excavated from seven floors representing 66,000 years ago and 59,000 years ago in a dense period to investigate the differences in rock tool design over time. They then compared stone tools to other sites at Howiesons Poort.
"The Klipdfrift Shelter site is one of the few, with a long archaeological order that provides information on cultural changes over time during Howiesons Poort, which makes it a perfect opportunity to study cultural change over time," Douze said.
For researchers, even more exciting was that for the first time they could show a close network of interaction between distant communities in the way they designed stone tools.
Douze said, "Totally complete compatibility between the Klipdrift and Diepkloof shelters has shown that there is regular interaction between these two communities, which is the first time we can make such sites of coexistence based on a solid data group and show that between these two sites there was mobility. This is unique to the Middle Ages.
In Africa, the medieval stone lasts 350,000 years ago 25,000 years ago and is a key to the understanding of the development of the first Homo sapiens, their temporal behavioral changes and their movement in Africa.
Howieson Poort is an archeological site near Grahamstown, South Africa, according to Howiesons Poort, a special technology culture that develops in southern Africa 100,000 years ago in Diepkloof Shelter, but between 66,000 and 59,000 years the most other Howiesons Poort sites.
The characteristics of Howiesons Poort are strongly distinguished from the other mid-term industries as they have small teres and support tools that are used as hunting material for cutting meat as much as other MSA industries show flakes, big bits and point-like productions.
Tools found in the deeper layers of the recoil sheath that represent the earlier stages of Howiesons Poort were found to have heat-treated silk, while the tools at a later stage come from less homogeneous stones such as quartz and quartz. This change occurs in conjunction with tool production strategies. "Earlier changes seem to reflect cultural changes instead of a direct change of climate change caused by designers," Douze said.
Douze also added: "Our prehistoric group as an open-minded idea is that they just struggled to survive, but in fact they were well suited to environmental conditions but there appears to be no synchronization between design choices and changes in the environment, which could gradually change over time leading to the end of Howiesons Poort . "
The team also tried to figure out why Howiesons Poort ended and how it happened suddenly or gradually.
"The decline in Howiesons Poort in Klipdrift Shelter shows a gradual and complex change model from which the first" symptoms "can be detected much earlier than the definitive rejection of the typical Howiesons Poort technology and tools," Douze said.
He added that "this does not support a catastrophic scenario involving alarming demographic downturns or massive population groups. The fact that gradual change has been described in at least three other locations in the South Howiesons Poort (Rose Cottage Cave, Diepkloof Rock Shelter and Klasies ) states further that cultural routes have convergence and not individual groups that react quickly to local pressures. "(I)


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