Ar–Ar and I–Xe ages and thermal histories of three unusual metal-rich meteorites

Portales Valley, Sombrerete, and Northwest Africa (NWA) 176 are three unrelated meteorites, which consist of silicate mixed with substantial amounts of metal and which likely formed at elevated temperatures as a consequence of early impacts on their parent bodies. Measured 39Ar– 40Ar ages of these m...

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Veröffentlicht in:	Geochimica et cosmochimica acta 2009-11, Vol.73 (22), p.6965-6983
Hauptverfasser:	Bogard, Donald D., Garrison, Daniel H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Chronometers Cooling Heating Mathematical models Meteorites Parents Solar system Valleys
Online-Zugang:	Volltext
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