S. Ganesan State has sanctioned Rs.50 lakh for improving infrastructure at the site 100 million-year-old: An ancient fossil tree at Sathanur in Perambalur district. TIRUCHI: The site of over a 100 million-year-old fossil tree, a geological treasure, in the remote village of Sathanur in Perambalur district will soon be a more hospitable place for visiting tourists and geologists. The State Tourism Department has sanctioned Rs.50 lakh for improving tourist infrastructure at the site, according to Tourism Secretary V. Irai Anbu. The site, about 20 km away from Ariyalur (often referred as the