Samples of ores, slags, high metal slags, metal samples have been analysed principally
by optical and scanning electron microscopy. Some analyses of rare earths has also
The results demonstrate that:
There is no regional fingerprint based on the major and minor elements
The REE’s show variation within one site.
There is a clear progression in technology from the First Monastic Period, the Dissolution
Period and the Blast Furnace Period.