Madhya Pradesh: Paleontologists find rare dinosaur nests in Narmada valley
Bhopal, Jan 21: Paleontologists have reported a rare discovery of closely located dinosaur nests and 256 eggs of the herbivorous titanosaurs in the Narmada valley in Madhya Pradesh.
Researchers from the Delhi University and Indian Institute of Science Education and Research in Mohanpur-Kolkata and Bhopal have also reported discovery of ovum-in-ovo or multi-shell eggs in Bagh and Kukshi areas in Dhar district of Madhya Pradesh.
The findings were published in PLoS One research journal this week by Harsha Dhiman, Vishal Verma, and Guntupalli Prasad, among others.
A study of the nests and eggs has revealed intimate details about the lives of the long-necked sauropods that walked the region more than 66 million years ago.
"The eggs were found from the estuary formed at a place where the Tethys Sea merged with the Narmada when Seychelles had broken away from the Indian plate. The separation of Seychelles had led to the incursion of the Tethys Sea 400 kms inside the Narmada Valley," Verma, who works in the Higher Secondary School, Bakaner, Dhar district, told PTI here.
He said the nests found in the Narmada valley were close to each other. Generally the nests are located at some distance from each other.
Verma, considered the driving force behind a series of discoveries of dinosaur fossils in Narmada, said the reason behind multi-shell eggs could be the inability of the mother to find favourable conditions for laying eggs.
"In such conditions, the eggs remain in the oviduct and the shell formation begins again. There could also have been instances of a dinosaur dying before laying eggs," Verma said.
The eggs, which ranged between 15 cm and 17 cm in diameter, likely belonged to a number of titanosaur species.
The number of eggs in each nest ranged from one to 20.
"During the field investigations carried out between 2017 and 2020, we found extensive hatcheries of dinosaurs in Bagh and Kukshi areas in Dhar District, MP, notably from the villages Akhada, Dholiya Raipuriya, Jhaba, Jamniapura, and Padlya," the researchers said.
They said the region falls between the eastern most Lameta exposures at Jabalpur in upper Narmada in valley central India and Balasinor in the west in lower Narmada valley in western central India.
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Delhi govt likely to conduct trail for artificial rain in May to combat pollution: Minister Sirsa
New Delhi, Apr 3 (PTI): The Delhi government is likely to conduct a trial for artificial rain in May as part of its efforts to tackle air pollution, Environment Minister Manjinder Singh Sirsa said on Thursday.
The trial will be carried out in an area in outer Delhi, with the final site selection to be made by the Directorate General of Civil Aviation (DGCA) and IIT Kanpur, he said.
Sirsa said the plan is part of a broader strategy to tackle pollution using multiple methods.
“This is a war against pollution and we are working on various measures, with artificial rain being one of them. Before implementing it on a large scale, we will try to conduct a trial in May when summer is at its peak,” he added.
He further said, “We have asked for detailed reports to determine whether the chemicals used in cloud seeding could have any harmful effects on human health or the environment."
Based on the findings, we will conduct a small-scale test and analyze water samples. If the trial is successful, we will expand the project across Delhi during periods of severe pollution, the environment minister said.
