Times of IndiaLean R·
Significant rock formation: 2.56 billion-year-old Pichhore granite discovered; offers clues to ancient geological processes
India's Pichhore orbicular granite, 2.56 billion years old, is a rare geological marvel. This ancient rock formation displays unusual spherical structures called orbicules, which are rarely found globally. Researchers discovered inherited zircon crystals indicating Earth's earliest crust recycled during the Neoarchean Era. The granite's formation suggests magma intrusion and rapid cooling deep beneath the surface. This significant find helps reconstruct conditions of the young Earth and early c…
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