Rapid characterisation of Mars' mantle reservoirs by in situ laser ablation 87Sr/86Sr analysis of shocked feldspar (maskelynite)

• Published in: Geochimica et cosmochimica acta Vol. 341; pp. 46 - 61
• Main Authors: Burgin, Daniel L., Scott, James M., le Roux, Petrus J., Howarth, Geoffrey, Palmer, Marshall C., Czertowicz, Thomas A., Negrini, Marianne, Reid, Malcolm R., Stirling, Claudine H.
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 15.01.2023
• Subjects: 87Sr/86Sr; Mantle; Mars; Maskelynite; Rb-Sr isotopes; Shergottite; Mars; 87Sr/86Sr; Maskelynite; Rb-Sr isotopes; Mantle; Shergottite

The 87Sr/86Sr isotopic properties of martian meteorites, measured by isolation and purification of Rb and Sr fractions, have long been used to partially characterise Mars' mantle. However, this method is time-consuming, destructive, and subject to incorporation of terrestrial contamination due...