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The Archaean cratons of India represent some of the oldest and most stable portions of the Indian shield, formed during the Archaean Eon, around 4.0 to 2.5 billion years ago. These cratons are characterized by high-grade metamorphic rocks, including gneisses, granulites, and greenstone belts, which record early crustal evolution and tectonic processes. They form the core of the Indian continental crust _______ __________ ______ ________ ________.
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