<sod>It is the site of a [[Chalcolithic]] structure, the oldest parts are dated to around ''c.'' 4,000-3,650 BC<ref>{{cite web|url=http://www.sardegnacultura.it/documenti/7_4_20060402100930.pdf|format=PDF|author=Ercole Contu|title=L'altare preistorico di Monte d'Acoddi|page=14|publisher=Sardegnacultura.it|accessdate=2015-04-25}}</ref><ref>{{cite web|url=http://arheologija.ff.uni-lj.si/documenta/pdf38/38_16.pdf |format=PDF |title=Monte d’Accoddi and the end of the Neolithic in Sardinia (Italy) |publisher=Arheologija.ff.uni.lj.si |accessdate=2015-04-25}}</ref> and discovered in 1954, in a field owned by [[Antonio Segni|Segni]] family. The structure has a base of 27 m by 27 m and probably reached a height of 5.5 m. It culminated in a platform of about 12.5 m by  7.2 m, accessible via a ramp.<eod>
<sod>It is the site of a [[Chalcolithic]] structure of the [[Ozieri culture]], the oldest parts are dated to around ''c.'' 4,000-3,650 BC<ref>{{cite web|url=http://www.sardegnacultura.it/documenti/7_4_20060402100930.pdf|format=PDF|author=Ercole Contu|title=L'altare preistorico di Monte d'Acoddi|page=14|publisher=Sardegnacultura.it|accessdate=2015-04-25}}</ref><ref>{{cite web|url=http://arheologija.ff.uni-lj.si/documenta/pdf38/38_16.pdf |format=PDF |title=Monte d’Accoddi and the end of the Neolithic in Sardinia (Italy) |publisher=Arheologija.ff.uni.lj.si |accessdate=2015-04-25}}</ref> and discovered in 1954, in a field owned by [[Antonio Segni|Segni]] family. The structure has a base of 27 m by 27 m and probably reached a height of 5.5 m. It culminated in a platform of about 12.5 m by  7.2 m, accessible via a ramp.<eod>