The Chalcolithic or Copper Age is the earliest phase of metallurgy. Copper, silver and gold started to be worked then, though these soft metals could hardly replace stone tools for most purposes. The Chalcolithic is also a period of increased social complexity and stratification and, in the case of Iberia, that of the rise of the first civilizations and of extense exchange networks that would reach to the Baltic and Africa.
The conventional date for the beginning of Chalcolithic in Iberia is c. 3000 BC. In the following centuries, especially in the south of the peninsula, metal goods, often decorative or ritual, become increasingly common. Additionally there is an increased evidence of exchanges with areas far away: amber from the Baltic and ivory and ostrich-egg products from Northern Africa.
It is also the period of the great expansion of Megalithism, with its associated collective burial practices. In the early Chalcolithic period this cultural phenomenon, maybe of religious undertones, expands along the Atlantic regions and also through the south of the peninsula (additionally it's also found in virtually all European Atlantic regions). In contrast, most of the interior and the Mediterranean regions remain refractary to this phenomenon.
Another phenomenon found in the early chalcolithic is the development of new types of funerary monuments: tholoi and artificial caves. These are only found in the more developed areas: southern Iberia, from the Tagus estuary to Almería, and SE France.
Eventually, c. 2600 BC, urban communities began to appear, again especially in the south. The most important ones are Los Millares in SE Spain and Zambujal (belonging to Vila Nova de São Pedro culture) in Portuguese Estremadura, that can well be called civilizations, even if they lack of the literary component.
It is very unclear if any cultural influence originated in the Eastern Mediterranean (Cyprus?) could have sparked these civilizations. On one side the tholos does have a precedent in that area (even if not used yet as tomb) but on the other there is no material evidence of any exchange between the Eastern and Western Mediterranean, in contrast with the abundance of goods imported from Northern Europe and Africa.
Since c. 2150 BC, the Bell Beaker culture intrudes in Chalcolithic Iberia. After the early Corded style beaker, of quite clear Central European origin, the peninsula begins producing its own types of Bell Beaker pottery. Most important is the Maritime or International style that, associated especially with Megalithism, is for some centuries abundant in all the peninsula and southern France.
Since c. 1900, the Bell Beaker phenomenon in Iberia shows a regionalization, with different styles being produced in the various regions: Palmela type in Portugal, Continental type in the plateau and Almerian type in Los Millares, among others.
Like in other parts of Europe, the Bell Beaker phenomenon (speculated to be of trading or maybe religious nature) does not significantly alter the cultures it inserts itself in. Instead the cultural contexts that existed previously continue basically unchanged by its presence .
Read more about this topic: Prehistoric Iberia
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