Hydrothermal activity on the CV parent body: New perspectives from the giant Transantarctic Mountains minimeteorite TAM5.29

Hydrothermal activity on the CV parent body: New perspectives from the giant Transantarctic Mountains minimeteorite TAM5.29

TAM5.29 is an extraterrestrial dust grain, collected on the Transantarctic Mountains (TAM). Its mineralogy is dominated by an Fe‐rich matrix composed of platy fayalitic olivines and clasts of andradite surrounded by diopside‐jarosite mantles; chondrules are absent. TAM5.29 records a complex geologic...

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Veröffentlicht in:Meteoritics & planetary science 2020-01, Vol.55 (1), p.164-183
Hauptverfasser: Nava, J., Suttle, M. D., Spiess, R., Folco, L., Najorka, J., Carli, C., Massironi, M.
Format: Artikel
Sprache:eng
Schlagworte:
Calcium ferrous silicates
Calcium magnesium silicates
Chemical composition
Chondrites
Cosmic dust
Diopside
Dust
Dust control
Earth mantle
Fayalite
Iron
Jarosite
Metamorphism
Metamorphism (geology)
Meteorite parent bodies
Mineralogy
Mountains
Olivine
Organic chemistry
Oxidation
Subgroups
Terrestrial environments
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Beschreibung
Zusammenfassung:TAM5.29 is an extraterrestrial dust grain, collected on the Transantarctic Mountains (TAM). Its mineralogy is dominated by an Fe‐rich matrix composed of platy fayalitic olivines and clasts of andradite surrounded by diopside‐jarosite mantles; chondrules are absent. TAM5.29 records a complex geological history with evidence of extensive thermal metamorphism in the presence of fluids at T 
ISSN:1086-9379
1945-5100
DOI:10.1111/maps.13429