The recently discovered 2.56-billion-year-old Pichhore orbicular granite, recognised as the world's second-oldest known orbicular rock, is located in

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The recently discovered 2.56-billion-year-old Pichhore orbicular granite, recognised as the world's second-oldest known orbicular rock, is located in which state?

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The correct answer is Option D: Madhya Pradesh. The Pichhore orbicular granite in Shivpuri district, Madhya Pradesh, has been dated to about 2.56 billion years. The Pichhore orbicular granite is the second-oldest known orbicular rock in the world after a similar formation in Western Australia. Scientists determined the rock's age using Uranium-Lead (U-Pb) zircon dating, a standard technique for dating ancient rocks. The granite crystallised during the Neoarchean Era, while inherited zircon crystals in the rock are about 3.5 billion years old. The rock is located within the Bundelkhand Craton, one of the oldest and most stable geological blocks in India. Orbicular granite is a rare igneous rock containing rounded orbicules, which are mainly composed of quartz and feldspar. The research was published in the journal Geosystems and Geoenvironment. The study involved researchers from Banaras Hindu University, IIT Kanpur, IISER Berhampur, the University of Campinas, and JAIST.

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Rajasthan

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Chhattisgarh

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Maharashtra

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Odisha

The recently discovered 2.56-billion-year-old Pichhore orbicular granite, recognised as the world's second-oldest known orbicular rock, is located in which state?

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The recently discovered 2.56-billion-year-old Pichhore orbicular granite, recognised as the world's second-oldest known orbicular rock, is located in which state?

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