Computer Science
Scientific paper
Mar 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984natur.308..169h&link_type=abstract
Nature (ISSN 0028-0836), vol. 308, March 8, 1984, p. 169-172. Research supported by the Deutsche Forschungsgemeinschaft.
Computer Science
31
Abundance, Chondrites, Magnesium Isotopes, Meteoritic Composition, Aluminum 26, Chondrule, Microanalysis, Solar System, Meteorites, Ordinary Chondrites, Ion Microprobe, Magnesium, Isotopes, Analysis, Plagioclase, Hibonite, Mineralogy, Data, Aluminum, Origin, C3 Chondrites, Carbonaceous Chondrites, Oxygen, Chonrules, Formation, Sources, Cais, Samples, Meteorite, Clasts, Dhajala, Isotopic Ratios
Scientific paper
In a search for 26Mg excesses generated by 26Al decay the authors analysed four Al-rich objects from the type 3 ordinary chondrites using an ion microprobe. They report here the presence of 26Mg excesses of up to 100% in an unusually pure hibonite clast from the Dhajala chondrite; this 26Mg excess is the first to be found in an ordinary chondrite. No 26Mg excesses were observed in the three plagioclase-bearing chondrules analysed. It is concluded that 26Al may not have been sufficiently plentiful to act as a major heat source in condensed Solar System bodies.
Bischoff Addi
Hinton Richard W.
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