Science Courses / Earth Science 101: Earth Science Mantle Plume | Definition, Causes & Examples Lesson Transcript Author Tiffany Leonard View bio Instructor Charles Spencer View bio Learn about mantle plumes, what causes them, and how they are related to mantle hot spots. Also, explore ...
Earth scienceAncient mantle in a modern plume, ArtículoOsmium isotopes record evidence for 2.5-billion-year-old mantle beneath the Azores. The origin of this ancient mantle has implications for the nature and timescale of mantle convection.
Earth as well as the core. A significant temperature gradient from thelower mantleto the core of >1200°C (Boehler, 1996;Fig. 1) and heat transfer across the CMB may be the driving force formantle convectionand plume initiation. Though substantial heat transport across the CMB is undisputed,...
AI generated definition based on:Earth-Science Reviews,2015 About this page Add to MendeleySet alert Chapters and Articles You might find these chapters and articles relevant to this topic. Energetics of the Solid Earth: Implications for the Structure of Mantle Convection ...
Earth - Core, Mantle, Crust: More than 90 percent of Earth’s mass is composed of iron, oxygen, silicon, and magnesium, elements that can form the crystalline minerals known as silicates. Nevertheless, in chemical and mineralogical composition, as in phy
29. Zhu-LiangLei,Zeng, G.*, Jian-Qiang Liu*, Xiao-Jun Wang, Li-Hui Chen, Xiao-YuZhang, Jin-Hua Shi (2021), Melt-lithosphere interaction controlledcompositional variations in mafic dikes from Fujian province, southeasternChina. Journal of Earth Science, 32, 1445-1453,https://doi.org/10.10...
An eclogitic component in the Pitcairn mantle plume: evidence from olivine compositions and Fe isotopes of basalts. Geochimica et Cosmochimica Acta, 318, 415-427. https://doi.org/10.1016/j.gca.2021.12.017. 原文链接:https://www.sciencedirect.com/science/article/abs/pii/S0016703721007237...
Determining the evolutionary history of mantle oxygen fugacity (fo2) is crucial, as it controls thefo2of mantle-derived melts and regulates atmospheric composition through volcanic outgassing. However, the evolution of mantlefo2remains controversial. Here, we present a comprehensive dataset of plume-deriv...
The Earth’s mantle is divided by the circum-Pacific subduction girdle into the African and Pacific domains, each featuring a large low-shear-wave-velocity province (LLSVP) in the lower mantle. However, how this hemispherical-scale mantle structure links
Earth and Planetary Science Letters, 302: 359-368. Download 2、Zeng G., Chen L. H.*, Xu X. S. et al. 2010. Carbonated mantle sources for Cenozoic intra-plate alkaline basalts in Shandong, North China. Chemical Geology, 273: 35-45. Download 1、Chen L. H.*, Zeng G., Jiang S. ...