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Classification et chronologie de bas fourneaux de réduction du fer à usage unique au sud-ouest du Niger

Classification et chronologie de bas fourneaux de réduction du fer à usage unique au sud-ouest du... In southwestern Niger, near Niamey, several thousand singleuse bloomery furnaces have been mapped and identified. The archaeological study of approximately 30 furnaces and their slag reveals the existence of four methods for iron smelting: three types of pit furnace and one slag-tapping type. The slag pit furnaces are clearly differentiated by the form and volume of their pits. All slag-tapping furnaces drain off slag through small openings. The slag is tapped either vertically or laterally. According to radiocarbon dates, the smelting activity developed in the 2 nd century AD and intensified through to the 14 th century. It continued to evolve until the middle of the 20 th century. The low intensity of iron production for these furnaces indicates the products were intended mainly for the local market. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of African Archaeology Brill

Classification et chronologie de bas fourneaux de réduction du fer à usage unique au sud-ouest du Niger

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Publisher
Brill
Copyright
© Copyright 2016 by Koninklijke Brill NV, Leiden, The Netherlands
ISSN
1612-1651
eISSN
2191-5784
DOI
10.3213/2191-5784-10283
Publisher site
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Abstract

In southwestern Niger, near Niamey, several thousand singleuse bloomery furnaces have been mapped and identified. The archaeological study of approximately 30 furnaces and their slag reveals the existence of four methods for iron smelting: three types of pit furnace and one slag-tapping type. The slag pit furnaces are clearly differentiated by the form and volume of their pits. All slag-tapping furnaces drain off slag through small openings. The slag is tapped either vertically or laterally. According to radiocarbon dates, the smelting activity developed in the 2 nd century AD and intensified through to the 14 th century. It continued to evolve until the middle of the 20 th century. The low intensity of iron production for these furnaces indicates the products were intended mainly for the local market.

Journal

Journal of African Archaeology – Brill

Published: Nov 1, 2016

Keywords: Bas fourneaux; métallurgie du fer; sahel; scorie piégée; scorie coulée

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