The “promised land” was described to the Israelites as “a land whose stones are iron, and out of whose hills you can dig copper” (Deuteronomy 8:9). Copper was mined in the Arabah of Israel as far back as the 13th-12th century B.C. Copper is still mined at Timna about 25 miles north of Eilat (close to Ezion-geber). Belgian engineers made a survey proving the presence of 100,000 tons of metallic copper. Iron ore has been found in the Negev and in eastern Upper Galilee (Vilnay, The Israel Guide, 17).
The Bible does not say that Solomon had copper mines at Ezion-geber, but the presence of mining facilities dating to the 10th century B.C. indicates that this may have been one of the reasons why the King built a port and had a navy stationed there (1 Kings 9:26-28). Ezion-geber was more than 220 miles from Jerusalem. The copper provided a good medium of exchange for gold, spices, and other items that Israel needed.
In 1938, Nelson Glueck, reported that he had found a copper-refining plant at Tell el-Kheleifeh, which he identified as Ezion-geber, on the north shore of the Gulf of Aqabah (the Israelis call it the Gulf of Eilat). This site is now within Jordanian territory. Glueck identified the copper-refining plant as King Solomon’s copper mines, and explained that the apertures in the buildings served as flueholes. Through them, he thought, “the strong winds from the north-northwest entered into the furnace rooms of this structure,” which he called a “smelter, to furnish a natural draft to fan the flames.”
It is true that copper smelting was done in the Arabah in the time of Solomon, but Glueck later changed his mind about the building he had formerly identified as the refining plant. In 1962 Beno Rothenberg demonstrated that the installation at Tell el-Kheleifeh could not have been for copper smelting.
Glueck was convinced by the findings of Rothenberg that the apertures in the building “resulted from the decay and or burning of wooden beams laid across the width of the walls for bonding or anchoring purposes.” This does not affect any statement of the Bible, but it does mean that the old argument about the copper refining plant found in the Arabah is no longer valid. Glueck’s identification of Tell el-Kheleifeh with Ezion-geber is no longer accepted. We plan to follow this post with one on Solomon’s seaport.
A recent excavation and study, including archaeometric dating (of Site 30 of the southern Arabah) conducted by Erez Ben-Yosef, et al. has provided a new chronological framework for Iron Age copper production at Timna (Israel). Ben-Yosef says the study,
resulted in a new chronological framework for Iron Age copper production in this region. The main period of copper smelting in the southern Arabah was during the 10th century B.C.E., and the extent of New Kingdom Egyptian control over copper production in Timna was more limited than previously believed. (“A New Chronological Framework for Iron Age Copper Production at Timna (Israel).” BASOR 367 (2012), p. 65.
Egyptians welcome visitors to Timna Park. It is true that Egyptians worked in the area during the 13th-12th centuries B.C., but Ben-Yosef says their control over the copper production “was more limited than previously believed.”
This paragraph provides documentation for some of the material mentioned above. For more information one may check the following books or articles by Nelson Glueck: “The First Campaign at Tell el-Kheleifeh,” Bulletin of the American Schools of Oriental Research, Oct., 1938; The Other Side of the Jordan, 1940; Rivers in the Desert, 1949; the change was announced in “Ezion-geber,” The Biblical Archaeologist, Sept., 1965.