Attirampakkam, or Athirampakkam is a village near river Kortallaiyar located 60 kilometers away from Chennai, Tamil Nadu, India.
[1][2] The oldest stone tools in India were discovered near the village,[3][4] which became the type site for the Madrasian culture.
[5][6] Robert Bruce Foote and his colleague William King of the East India Company's Geological Survey found the first primitive stone tools at Attirampakkam in early 1863.
Later, more stone tools were recovered from Attirampakkam over 20 years by archaeologists from the Sharma Centre for Heritage Education in India and other Indian institutions.
[7] With the assistance of French scientists, the age of the objects found in the trenches was determined using cosmic ray exposure dating (26Al/10Be).