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The petrochemistry of Jake_M: A martian mugearite
California Institute of Technology, Pasadena.
California Institute of Technology, Pasadena.
California Institute of Technology, Pasadena.
Brock University.
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2013 (English)In: Science, ISSN 0036-8075, E-ISSN 1095-9203, Vol. 341, no 6153, article id 1239463Article in journal (Refereed) Published
Abstract [en]

“Jake_M,” the first rock analyzed by the Alpha Particle X-ray Spectrometer instrument on the Curiosity rover, differs substantially in chemical composition from other known martian igneous rocks: It is alkaline (>15% normative nepheline) and relatively fractionated. Jake_M is compositionally similar to terrestrial mugearites, a rock type typically found at ocean islands and continental rifts. By analogy with these comparable terrestrial rocks, Jake_M could have been produced by extensive fractional crystallization of a primary alkaline or transitional magma at elevated pressure, with or without elevated water contents. The discovery of Jake_M suggests that alkaline magmas may be more abundant on Mars than on Earth and that Curiosity could encounter even more fractionated alkaline rocks (for example, phonolites and trachytes).

Place, publisher, year, edition, pages
2013. Vol. 341, no 6153, article id 1239463
National Category
Aerospace Engineering
Research subject
Atmospheric science
Identifiers
URN: urn:nbn:se:ltu:diva-8242DOI: 10.1126/science.1239463ISI: 000324894600004PubMedID: 24072927Scopus ID: 2-s2.0-84885622288Local ID: 6b843758-9388-4643-9ed6-1cce951cb59dOAI: oai:DiVA.org:ltu-8242DiVA, id: diva2:981133
Note

Upprättat; 2013; Bibliografisk uppgift: Javier Martín-Torres ingår i the MSL Science Team.; 20150225 (ninhul)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2019-05-14Bibliographically approved

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