142Nd Evidence for Early (>4.53 Ga) Global Differentiation of the Silicate Earth

By M. Boyet, Richard W. Carlson. Science, 2005

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Subfields: Astronomy and Astrophysics, Geophysics

View Paper: https://www.semanticscholar.org/paper/ab449daccc0dd53d22e9a97fc36e801177a2305a

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Citations in the corpus

Dynamics and evolution of the deep mantle resulting from thermal, chemical, phase and melting effects (2012, background): “…ocean (Solomatov and Stevenson, 1993; Abe, 1997), subduction of a very early crustal layer (Tolstikhin et al., 2006) or an early KREEP-like liquid (Boyet and Carlson, 2005), or “upside-down differentiation” (Lee et al., 2010), in which melt that formed deep in the hot, early upper mantle could…”
Emergence of a Habitable Planet (2007, background): “There is little evidence that refractory incompatible lithophile elements are depleted in Earth—excess 142Nd might qualify (Boyet and Carlson 2005).”
Geophysics of Chemical Heterogeneity in the Mantle (2012, background): “For example, melting processes in the early Earth may have led to deep melt segregation that has survived for long periods of time (Boyet & Carlson 2005, Labrosse et al. 2007, Lee et al. 2010).”
Urey ratio and the structure and evolution of Earth's mantle (2008, unknown): “…Silver et al., 1988; Anderson, 1989; Fukao et al., 1992; Tackley et al., 1993; Allègre et al., 1996; van der Hilst et al., 1997; Hofmann, 1997; Davaille, 1999; Kellogg et al., 1999; Tackley, 2000a; Helffrich and Wood, 2001; Korenaga, 2003; Boyet and Carlson, 2005; Lyubetskaya and Korenaga, 2007b].”
Hf-W chronology of the accretion and early evolution of asteroids and terrestrial planets (2009, background): “Firstly, it was shown that chondrites, assumed to be representative for the bulk composition of Mars and other terrestrial planets, have e142Nd values 20 ppm below those for the terrestrial standard (Boyet and Carlson, 2005).”
Oxygen isotope constraints on the origin and differentiation of the Moon (2007, background): “Magma oceans have been considered a necessary and inevitable consequence of planetary accretion (e.g., [62]), and whole-sale melting of planets and planetesimals appears increasingly more likely based upon geochemical observations [7, 63 ] .I n addition to the petrologic evidence for a feldspathic c”
A reference Earth model for the heat‐producing elements and associated geoneutrino flux (2013, background): “Within the geochemical community, there is considerable disagreement regarding the composition of the upper and lower mantle [ Allègre et al ., 1996; Boyet and Carlson , 2005; Javoy et al ., 2010; McDonough and Sun , 1995; Murakami et al ., 2012].”
Possible formation of ancient crust on Mars through magma ocean processes (2005, background): “appears to be missing from the portions of the mantle sampled by mid-ocean ridge and ocean island basalt volcanism [ Boyet and Carlson, 2005 ].”
Thermodynamics of silicate liquids in the deep Earth (Invited) (2009, background): “…of a basal liquid layer may have important implications for the generation and preservation of ancient mantle geochemical signatures, and for the origin of ultra-low velocity zones and large scale thermochemical anomalies in the lower mantle (Boyet and Carlson, 2005; Labrosse et al., 2007).”
Magma oceans in the inner solar system (2012, background): “Furthermore, Earth’s 142Nd/144Nd composition as measured in crustal igneous rocks differs from that of chondritic meteorites (Boyet & Carlson 2005, Caro et al. 2006).”