Explosive birth of earth's first supercontinent

• Autores: Alice Klein
• Localización: New scientist, ISSN 0262-4079, Nº. 3163, 2018, pág. 10
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • To understand how continents formed, Christopher Spencer at Curtin University in Australia and his colleagues studied the global geological record. They found that almost no volcanic rocks were created between 2.3 and 2.2 billion years ago. But then came a surge in land formation. The researchers could tell this because, when magma wells up from below and crystallizes, the resulting rock has giveaway chemical properties