Thiruperumputhur belongs to the Thiruperumputhur Formation, which is characterised by arenaceous and argillaceous rock units composed of splintery green shale, clays, and sandstones with ironstoneintercalation. The rock units conformably overlie either the Precambrianbasement or Precambrian boulder beds and green shales. The beds contain marine intercalations. Their lithologic suites and fossil fauna are suggestive of deposition under shallow and brackish conditions, probably close to the shoreline.
Economy
Thiruperumputhur has attracted huge investments due to several factors:
In 1999, Hyundai, one of the initial investors, arrived at Thiruperumputhur. By 2008, Thiruperumputhur had become a special economic zone with over US$2 billion invested by companies primarily in the automotive and electronics sectors. A new greenfield Chennai Airport is planned for Thiruperumputhur. The Industrial corridor between Thiruperumputhur and Oragadam is rapidly growing with apartment complexes by large developers such as KumarRaja Foundations, Arun Excello and Hiranandani.
Companies in Thiruperumputhur
The following companies have established operations in Thiruperumputhur:
is the birthplace of Saint Ramanuja. Thiruperumputhur is the birthplace of Sri Ramanuja, the Hindu saint and philosopher known as one of the foremost proponents of the Vaishnavism branch of Hinduism. Sri Ramanujar's vigraha was installed in this temple during the saint's lifetime and is, therefore, called "Thamugantha Thirumani".
The Rajiv Gandhi Memorial is a memorial to former Indian prime minister Rajiv Gandhi at the site where he was assassinated. The Memorial was dedicated to the nation by the then President of India Dr. A.P.J.Abdul Kalam in 2003.
Vallakottai Murugan temple
Murugan temple, 9 km from Thiruperumputhur, is known for the tallest Lord Murugan statue in India.
is a multi-sport club to motivate players in rural area in and around sengadu village. Players from Thiruvallur and Thiruperumputhur can utilize this club. The Sport center aims to deliver more training, sport and physical activity opportunities for all levels of children and adults to help them engage in a healthy lifestyle. Players can play Shuttle Badminton, Table Tennis, Carrom, Chess and use basic GYM Tools. Tournaments are being conducted every month to cheer the players. Located near Hyundai Hysco - Sengadu
Marine Fossil Park
Gunduperumbedu, a village in Thiruperumputhur Taluk, is known for marine fossils. The age of the fossils found here, roughly goes to as old as 100 to 300 million years old.