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Scientists Discover Neolithic Grinding Tool in the Arabian Desert
The ancient grinding machine was found in Jebel Oraf, Nefud Desert region, Saudi Arabia.
The ancient grinding machine was found in Jebel Oraf, Nefud Desert region, Saudi Arabia.
In recent years, research has revealed that in the past, the dry regions in northern Saudi Arabia had greener and more fertile conditions, providing water resources and an environment that supported wildlife and early communities during the Neolithic period. However, the current drought situation in the area has led to minimal preservation of organic materials, posing a challenge in reconstructing the lifestyle of Neolithic inhabitants.
This finding provides a new understanding of a phase in human history that is still relatively unknown.
Photo: Ceri Shipton
"In this recent study, researchers used a high-power microscope to compare wear patterns on artifacts with test equipment."
Photo: Ceri Shipton
In the experiment, grinding grains, plants, bones, or pigments produce distinctive macro and micro marks on the surface of equipment, including cracks, rounded edges of seeds, flat areas, lines, and various polishings. Similar traces were also found on Neolithic grinders, facilitating the identification of materials being processed by researchers.
"Although the previous fauna remains reflect the presence of meat dishes in Jebel Oraf, wear analysis indicates that meat and bones were first processed with a stone grinder, suggesting that the bones were broken to access the marrow. Grinding tools were also used to process plants. Although there is no evidence of domesticated seeds in northern Saudi Arabia at this time, researchers state that wild plants were ground and possibly baked into simple bread."
"The fireplace is where we found a very short-aged grinder, and people might be very mobile, bread would be a good and easy food to take away for them,""
Source: Scitech Daily
Their findings indicate that the pigments were processed and ground in larger quantities than previously estimated, increasing the possibility that there are more Neolithic stone artworks that were painted than can be seen from the few remaining panels.
"That means people carry heavy grinding tools with them and their functionality is definitely an essential element in everyday life," said Giulio Lucarini from the National Research Council of Italy.
Source: Scitech Daily
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