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Hace 6 días · New research suggests the mysterious D” layer at Earth’s core-mantle boundary might have formed from remnants of an early colossal impact, with iron-rich peroxide playing a key role in its unique and enduring features.
25 de may. de 2024 · Hydrogen is an important light element in the Earth’s core for its high cosmochemical abundance and strong affinity to iron under core-formation conditions.
24 de may. de 2024 · Deep within Earth, there lies a mysterious layer called the D" layer. Located roughly 3,000 kilometers down, this zone sits just above the boundary between the planet's molten outer core and its...
29 de may. de 2024 · The most extreme of these discontinuities is the core-mantle boundary (CMB), where, at a depth of almost 2900 km below the surface, the rocky mantle meets the iron core.
15 de may. de 2024 · Earth’s magnetic field sustains life on our planet, protecting us from solar winds, radiation and extreme changes in temperature. But around 591 million years ago, it almost collapsed.
- Tara Wu
16 de may. de 2024 · A late veneer can also contribute only 7–45% of the bulk silicate Earth’s C abundance 12, suggesting a substantial amount of C in the bulk silicate Earth subsequent to Earth’s core formation.
Hace 2 días · The Earth’s core, comprising the inner core and outer core, plays a pivotal role in the planet’s dynamic geophysical processes. This abstract provides a concise overview of the composition, dynamics, and implications of Earth’s core on planetary evolution.
