Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..211c&link_type=abstract
Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 211.
Astronomy and Astrophysics
Astronomy
4
Nebulae, Fractionation, Manganese Isotopes, Chromium Isotopes, Planetary Composition, Chondrites, Astronomical Models, Solid Phases, Volatility
Scientific paper
Fractionations for (Mn-53)-(Cr-53) systematics in planetary bodies are considered in the context of a model involving volatility-controlled, sequential condensation and accumulation of solid material in a cooling nebula of diminishing mass. It is found that the apparent dependence of initial Mn-53 abundance on distance from the sun can be explained by Mn/Cr fractionations of the magnitude observed in chondrites.
Cassen Pat
Woolum Dorothy S.
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