Archaeologia Islandica - 01.01.2015, Side 43

Archaeologia Islandica - 01.01.2015, Side 43
Abandoned Settlements at the Foot of Mt Hekla Figure 5. One ofthe authors surveying the erodedfarm mound of Tröllaskógur/Stóriskógur. Two metal objects and a whetstone werefound during the survey ofthe site and many other objects have beenfound there, e.g. an JJrnes- style animal-brooch made ofsilver (Þjms. 6524) that confirms that the occupation ofthis sitegoes at least back to the late VikingAge. (lava flow and tephra) have not been the greatest destructive force in the area and even when farms were abandoned because of tephra fall, most were rebuilt aífer a few years or decades. Prolonged erosion and soil movement triggered and exacerbated by the eruptions, especially from the 16* century onwards, seem to have had a great- er impact on the settlement. A climatic downturn at the same time can only have made matters worse although much re- mains to be understood about the complex relationships between these factors. Theories of farm abandonment When examining farm abandonment in Rangárvellir it is useful to look at previ- ous research into abandonment in Iceland. Farm abandonment has been a popular re- search theme in Iceland as far back as the 18* century. Traditional explanations for large scale farm abandonment focused on natural catastrophes and epidemics - in particular the plagues of the 15*century. In the case of farm abandonment in the vicin- ity of active volcanoes, eruptions have usu- ally been thought to be the cause. 41

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