The developed skills of the Rudna Glava miners are indicated by the ore-emptied shafts no less than 20m deep.
Stone mallets, made from river stones of volcanic rock, gives evidence of the higher specialization of primitive tools for different and various productive purposes.
that the earliest Irish Bronze Age tools were high in arsenic was supported by findings of the same impurity pattern in the few artefacts of this period found elsewhere in the British Isles.
This led him to the proposition that an Irish metal industry had existed, supplying England, Scotland and Wales with copper during the earliest Bronze Age, based on the exploitation of ores from southwest Ireland.
The amount discovered, and their uniformity, have led to the suggestion that they were mass-manufactured, or machine made.
The following article questioned the origin of the raw materials and science used for the ‘Copper-age’ and ‘Bronze-age’ in ancient Britain.
As for the chopping of the pieces different types of wedges were used, while the tools made from deer horns were used for gathering the ore already chopped.
When an ore vein was discovered, the access platform was built round its flooding canal.
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The early Neolithic mine of Rudna Glava near Majdanpek is an example of the oldest known technology of Vinca copper working.
Bulgaria – 3,000 BC – Thousands of uniformly ‘pressed’ gold ‘beads’ were discovered in a Thracian horde in the Bulgarian ‘Valley of the Kings’.