„Hispania Tarraconensis” változatai közötti eltérés

[[Diocletianus római császár|Diocletianus]] alatt, [[293]]-ban, Gallaecia és Carthaginensis részek leváltak így Tarraconensis maradt a félsziget északkeleti része a [[Ribera del Duero]] híres [[borvidék]]ig. [[409]] után a birodalom meggyengült, melyet a [[baszkok]] és [[cantabrusok]] lázadása is erősített, ezután a [[Vizigót Királyság]] szerzett befolyást a területen.

 

<!-- The invasion resulted in widespread exploitation of metals, especially [[gold]], [[tin]] and [[silver]]. The alluvial [[gold mine]]s at [[Las Medulas]] show that [[Roman engineers]] worked the deposits on a very large scale using several aqueducts up to {{convert|30|mi|km}} long to tap water in the surrounding mountains. By running fast water streams on the soft rocks, they were able to extract large quantities of gold by [[hydraulic mining]] methods. When the gold had been exhausted, they followed the auriferous seams underground by tunnels using [[fire-setting]] to break up the much harder gold-bearing rocks. [[Pliny the Elder]] gives a good account of the methods used in Hispania, presumably based on his own observations. -->

 

 

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