Lead bale sites in Nidderdale
Abstract
Five lead smelting sites have been located in Nidderdale, Yorkshire and residues from them examined. In addition , several other possible sites have been identified from place names. Nidderdale is unusual in that early mining was controlled by monasteries and the records of one, Fountains Abbey, contain considerable information on the medieval lead industry. The sites are located near woodland and on routes which are determined by the positions of river crossings and monastic granges which would have served as staging posts or administrative centres. There are references in the Fountains records of the use of a furnace for smelting lead and it is possible that this took place at a smelting site at Dacre Banks. The relative paucity of smelting residues at the Nidderdale sites has been attributed to the mineralogical composition of the ores which led to minimal incorporation of silica into the slags, the instability of roasted calcite slags with regard to weathering and the fertility of the soil which would have promoted rapid regeneration. Many of the place name sites are on private land where access is relatively difficult.
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