WebMantle. Toggle text. The mantle is Earth’s second layer. The mantle has two main parts, the upper mantle and the lower mantle. The upper mantle is attached to the layer above it called the crust. Together the crust and the upper mantle form a fixed shell called the lithosphere, which is broken into sections called tectonic plates. Web22 de jul. de 2024 · 237 000 atm. The highest pressure of the upper mantle is 24.0 GPa (237 000 atm) compared to the bottom of the mantle which is 136 GPa (1 340 000 atm). Estimates for the viscosity of the upper mantle range between 1019 and 1024 Pa·s depending on depth temperature composition state of stress and numerous other factors.
What is the depth of the stiffer mantle? - Answers
Web5 de dez. de 2016 · How deep is the stiffer mantle? See answer Advertisement sarahlewis At a depth of 930 miles (1,500 km), this rock is some 300 times stiffer than at the boundary between the upper and lower mantle, which is about 410 miles (660 km) deep. Advertisement Advertisement Web16 de ago. de 2011 · The stiffer mantle or lower mantle is one of the three layers of the earth's interior. It is a solid, rocky shell that extends to a depth of 2890 km. At a depth of … iron in periodic table
What Are Three Differences Between The Upper And Lower Mantle
Web1 de mar. de 2024 · The upper mantle extends from the crust to a depth of about 410 kilometers (255 miles). The upper mantle is mostly solid, but its more malleable regions contribute to tectonic activity. Two parts of the upper mantle are often recognized as … We identify, invest in, and support a diverse, global community of National … Since 1888, the National Geographic Society has awarded over 15,000 grants … Engage with National Geographic Explorers and transform learning experiences … Wills and Trust: By including the National Geographic Society in your will or trust … National Geographic has long told the story of our human journey, and that must … The National Geographic Museum is an ideal destination for curious people of all … Ideas and Insight From National Geographic. About National Geographic … Did you know? The National Geographic Society is a nonprofit organization … WebThe silicate mantle of the Earth's moon is approximately 1300–1400 km thick, and is the source of mare basalts. The lunar mantle might be exposed in the South Pole-Aitken basin or the Crisium basin. The lunar mantle … Web23 de mar. de 2015 · Earth's main layers are the thin crust 4 to 50 miles deep (thinner under oceans, thicker under continents), a mantle extending 1,800 miles deep and the iron … port of rotterdam sustainability report