A Technological 'Leap' in the Edomite Kingdom during the 10Th Century BCE (image) PLOS Share Print E-Mail Caption Excavations of ancient copper mines as part of Tel Aviv University's Central Timna Valley Project. Copper production technologies and the organization of the industry reflect the society responsible for this enterprise. Credit E. Ben-Yosef and the Central Timna Valley Project Usage Restrictions CC BY: Redistribution permitted with credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.