Did the ancient Egyptians use imported iron imported from sub-Saharan Africa to build the Great Pyramids?

Some Egyptologists in the late 19th century believed that iron came to Egypt from other Africans. According to a UNESCO article there has been an iron industry in Niger dating back 5,000 years. Here is an interesting article that says that the Egyptians must have used iron tools which they probably imported from... show more Some Egyptologists in the late 19th century believed that iron came to Egypt from other Africans. According to a UNESCO article there has been an iron industry in Niger dating back 5,000 years. Here is an interesting article that says that the Egyptians must have used iron tools which they probably imported from the Hittites. They could have imported iron from both sources

Cutting with bronze or iron:

http://www.cheops-pyramide.ch/khufu-pyramid/stone-cutting.html

Antiquity of iron in Africa (article says 5,000 years!) from UNESCO

http://portal.unesco.org/en/ev.php-URL_ID=3432&URL_DO=DO_TOPIC&URL_SECTION=201.html

Here is a 1911 encyclopedia that supports the idea that iron was supported from "black Africa". I read somewhere else that Seth is associated with the origin of iron

http://www.studylight.org/encyclopedia/bri/view.cgi?n=16054

"This idea of impurity would seem a further proof of the African origin of iron. It was attributed to Seth, the spirit of evil who according to Egyptian tradition governed the central deserts of Africa."
Update: "Did They or Didn't They Invent It? Iron in Sub-Saharan Africa" Stanley B. Alpern http://muse.jhu.edu/journals/history_in_africa/summary/v032/32.1alpern.html "Around the same time some Egyptologists, notably the Frenchman Gaston Maspéro, concluded that ancient Egypt had learned its ironworking... show more "Did They or Didn't They Invent It? Iron in Sub-Saharan Africa" Stanley B. Alpern

http://muse.jhu.edu/journals/history_in_africa/summary/v032/32.1alpern.html

"Around the same time some Egyptologists, notably the Frenchman Gaston Maspéro, concluded that ancient Egypt had learned its ironworking from black Africans to the south"
Update 2: Damn I used imported twice because I was excited. Anyway hope people see this very interesting!
Update 3: "Precolonial mining in South Africa" by A. Hammel*, C. White*, S. Pfeiffer †, and D. Miller‡ http://www.saimm.co.za/Journal/v100n01p049.pdf "The skills that these ancient prospectors developed are reflected in the fact that by the time the European settler community arrived in the region almost... show more "Precolonial mining in South Africa" by A. Hammel*, C. White*, S. Pfeiffer †, and D. Miller‡

http://www.saimm.co.za/Journal/v100n01p049.pdf

"The skills that these ancient prospectors developed are reflected in the fact that by the time the European settler community arrived in the region almost every gold-bearing quartz outcrop had already been worked 92, nearly every viable outcrop of copper-bearing rock had been exploited 93, and hardly a tin lode of any importance was left untouched 94."
Update 4: The archeological evidence I showed shows very ancient dates for the modern country of Niger to the west, I just found info on iron working 2,000 B.C. at least for Central Africa republic. It is posted on a forum but is quoting a scientific... show more The archeological evidence I showed shows very ancient dates for the modern country of Niger to the west, I just found info on iron working 2,000 B.C. at least for Central Africa republic. It is posted on a forum but is quoting a scientific article

http://www.egyptsearch.com/forums/ultimatebb.cgi?ubb=get_topic;f=15;t=001008

"Now controversial findings from a French team working at the site of Ôboui in the Central African Republic challenge the diffusion model"
Update 5: "Artifacts there suggest that sub-Saharan Africans were making iron by at least 2000 B.C.E. and possibly much earlier--well before Middle Easterners, says team member Philippe Fluzin, an archaeometallurgist at the University of Technology of Belfort-Montbéliard in Belfort, France. The team unearthed a... show more "Artifacts there suggest that sub-Saharan Africans were making iron by at least 2000 B.C.E. and possibly much earlier--well before Middle Easterners, says team member Philippe Fluzin, an archaeometallurgist at the University of Technology of Belfort-Montbéliard in Belfort, France. The team unearthed a blacksmith's forge and copious iron artifacts"

The Egyptians did associate Seth with iron and associated Seth with central Africa
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