Elana Spivack at Inverse."The technique of stable isotope ratio analysis allows the direct determination of the type of food groups that were actually consumed."The dataset included isotope measurements from 410 plant seeds as well as 16 human and 210 other animal bones, spanning from 2600 to 333 BCE.
Between 2000 and 1600 BCE in particular, it appears their diet consisted of largely whole grains, fruits, and vegetables, including an abundance of olives and grapes. While their reliance on plant consumption may have emerged out of necessity, freeing up their animals for other uses, the ratio of meats to fruit, grains, and vegetables still proves to beHigh levels of carbon 13 isotopes in the preserved seeds suggest Tell Tweini's crops were well cared for and watered throughout the site's history. Use of animal manure would also explain the high levels of nitrogen 15 isotopes found in the plants.
"Excavations at the site indicate that the production of olive oil became a main economic activity of Tell Tweini and installations related to this activity could be found in every house during the Iron Age," Fuller and team
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