Arguments
Chatterjee argues that his Shiva crater was created around 65 million years, about the same time as a number of other impact craters and the Cretaceous–Paleogene extinction event (Cretaceous–Paleogene boundary / K-Pg boundary) Although the site has shifted since its formation because of sea floor spreading, the formation is approximately 600 kilometres (370 miles) long by 400 km (250 mi) wide. It is estimated that this proposed crater would have been made by an asteroid or comet approximately 40 km (25 mi) in diameter.
At the time of the Cretaceous–Paleogene extinction, India was located over the Réunion hotspot of the Indian Ocean. Hot material rising from the mantle flooded portions of India with a vast amount of lava, creating a plateau known as the Deccan Traps. It has been hypothesized that either the crater or the Deccan Traps associated with the area are the reason for the high level of oil and natural gas reserves in the region.
Earth scientists in general remain unconvinced that the "Shiva Crater" is indeed an impact crater. For example, Christian Koeberl, a professor of impact research and planetary geology at the University of Vienna, Austria, regards the Shiva crater to be "a figment of imagination." Currently, it is not recognized as an impact crater by the Earth Impact Database of the Planetary and Space Science Centre at the University of New Brunswick, Canada.
Read more about this topic: Shiva Crater
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