Oxygen Isotopes in Meteorites

By R. N. Clayton. 2003

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In Astronomy and Astrophysics

Citations in the corpus

Oxygen isotope constraints on the origin and differentiation of the Moon (2007, neutral): “52×δ(18)O [26] and deviations from the TFL reported as Δ(17)O, where Δ(17)O=δ(17)Omeasured− (0.”
The CR chondrite clan: Implications for early solar system processes (2002, background): “The CR clan was established by Weisberg et at. (1995) and includesfive kinds of carbonaceouschondrites: (1) carbonaceous Renazzo-like (CR) group, (2) carbonaceous high-metal (CH) group, (3) carbonaceous Bencubbin-like, subgroup a (CBa) meteorites (i.”
The Origin of Chondrules and Refractory Inclusions in Chondritic Meteorites (2001, background): “…were two di†erent reservoirs of oxygen in the early solar system, most naturally identiÐed with the rock and gas phases, that did not completely mix (Clayton 1993) ; and (2) the Ðnding of presolar grains in the matrix material of carbonaceous chondrites that exhibit the wild isotopic anomalies…”
Astrochemistry and compositions of planetary systems (2020, background): “Indeed isotopic selective photodissociation is a prominent theory for the origin of heavy element enrichments detected in meteorites for both O and N (Clayton 1993; Marty 2012).”
Thermal alteration of asteroids: evidence from meteorites (2000, background): “Type 4 600–700 ◦ APB Clayton (1993); McSween (1999)”
Extinct Radioactivities and Protosolar Cosmic Rays: Self-Shielding and Light Elements (2001, result): “Relatively complete mixing of the major elements that bind oxygen is also consistent with current interpretations of the oxygen isotope data in type B CAIs from CV3 carbonaceous chondrites (Clayton 1993).”
Nickel isotope heterogeneity in the early Solar System (2008, background): “Ni isotope data are reported as ε60Ni and ε62Ni (the parts per ten thousand differences in 60Ni/61Ni and 62Ni/61Ni relative to the SRM986 standard, which is taken to represent the bulk Earth).”
Melting and differentiation of early-formed asteroids: The perspective from high precision oxygen isotope studies (2017, background): “In the years since the pioneering study of Clayton et al. (1973), detailed analysis of different meteorite groups and their components has demonstrated that they show significant, systematic variations with respect to 18O and 17O (Clayton, 2003, 2006; Franchi, 2008).”
Nebular thermal evolution and the properties of primitive planetary materials (2001, methodology): “They found these inclusions to have 8 1 7 0 and 8180 values mainly between between -45 and -50%0 (relative to standard mean ocean water). Suppose that such grains are the crystalized inheritors of an end-member composition of 8 1 7 0 and 8 1 8 0 near -50%0, assumed for the moment to be the average o”
Cosmochemical Estimates of Mantle Composition (2014, neutral): “Gas–solid exchange reactions between individual meteoritic components with gases of different oxygen isotopic composition played an important role in establishing the variations (Clayton, 1993).”
Chondrules and the Protoplanetary Disk (2011, background): “The vertical deviations from the terrestrial line are given by 17O = δ17O − 0.52 × δ18O (Clayton 1993).”