World’s second oldest rock has been discovered in Odisha state
The world’s second oldest rock dating back to 4.2 billion
years has been discovered in Indian state, Odisha as was reported during May
A rock sample recovered nearly eight years ago from Champua
in Odisha’s Kendujhar district has put India at the forefront of geological
research in the world.
Geologists from the University of Calcutta and Curtin
University, Malaysia, along with researchers from the Chinese Academy of
Geological Sciences, Beijing, made the discovery, which was published during
May 2018 in ‘Scientific Reports’ journal.
The only instance of zircon older than this discovery was
the one found in Jack Hill, Western Australia, which was 4.4 billion years old
and is the oldest known rock sample.