Pattaraiperumbudur
It is situated on the eastern bank of the river Kosathalaiyar and lies on the western side of Tiruvallur, the district head quarter which is about 60 km from Chennai. This place is surrounded by a number of prehistoric sites like Gudiyam, Attirampakkam, Vadamadurai, Neyveli, Parikulam etc.
The archaeological mound found at three places in the village namely anaimedu, nathamedu and irulanthoppu. In order to examine the potentiality of the archaeological vestiges the excavation was conducted at the place in April 2016.
During the course of excavation it has been found that area was accumulating the rich archaeological vestiges right from prehistoric period to early historical period.
The deposit contain stone tools, different type of potteries, bricks, iron objects, roofing tiles, carnelian beads, shell bangles, terracotta objects, glass beads, copper objects, inscribed sherds (Tamil Bhrami), sherds with graffiti marks, painting potsherds, ivory object, terracotta ring well and other house holding objects in different levels of the excavated trenches.
A pragmatic study of the cultural vestiges and the in-situ study of findings gleaned from that the cultural deposit at pattaraipeumbudur can be divided into Stone age period, Iron age period and Early historical period.