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Aqueous Processes Recorded by Martian Meteorites: Analyzing Martian Water on Earth

Leshin, Laurie A. and Vicenzi, Edward (2006) Aqueous Processes Recorded by Martian Meteorites: Analyzing Martian Water on Earth. Elements, 2 (3). pp. 157-162. ISSN 1811-5209. doi:10.2113/gselements.2.3.157. https://resolver.caltech.edu/CaltechAUTHORS:20230307-650219000.29

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Abstract

Martian meteorites have delivered to Earth water molecules and minerals produced by aqueous processes on Mars. The study of these samples, using powerful analytical instrumentation, provides a basis for understanding aqueous activity on Mars. Although most analyses are at the scale of microns, the conclusions reached have important implications for large-scale aqueous processes. Secondary minerals, such as clays, salts, and carbonates, are present at some level in all Martian meteorite subtypes and are especially important in the nakhlites and ALH84001. Light element stable isotope analyses show evidence for mixing between atmosphere and magmatic fluids into a crustal reservoir, and that this crustal water was not in equilibrium with the host rocks. The mineralogical and isotopic data present a fairly consistent picture of the aqueous history of Mars: low levels of aqueous alteration are generally present but extensive aqueous processes are probably limited in space and time.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.2113/gselements.2.3.157DOIArticle
ORCID:
AuthorORCID
Vicenzi, Edward0000-0003-2085-6546
Additional Information:Helpful reviews by Hap McSween and Rod Ewing, and editing by the Elements team greatly improved the manuscript. LL acknowledges support from the NASA Cosmochemistry Program. EV acknowledges support from the NASA Astrobiology Institute and the assistance of Ms. Elli Pauli and Dr. Detlef Rost.
Funders:
Funding AgencyGrant Number
NASAUNSPECIFIED
Issue or Number:3
DOI:10.2113/gselements.2.3.157
Record Number:CaltechAUTHORS:20230307-650219000.29
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20230307-650219000.29
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:119739
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:12 Mar 2023 21:43
Last Modified:12 Mar 2023 21:43

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