The Times of India

These 4-billion-year-old rocks found in Canada may reveal how Earths first continents formed

Canada's ancient Acasta Gneiss, over four billion years old, offers a rare window into Earth's infancy. Microscopic zircon crystals within these rocks reveal crucial chemical data, detailing the planet's early, unstable crust formation. Scientists are deciphering these polyphase archives to understand the very beginnings of continental evolution and geological processes.