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Isotopic and REE studies of lunar basalt 12038 - Implications for petrogenesis of aluminous mare basaltsSr, Nd, and Sm isotopic studies of lunar basalt 12038, one of the so-called aluminous mare basalts, are reported. The evolution of the Sr and Nd isotopic compositions and the rare earth element (REE) abundances is successfully modeled within the framework of the model developed by Nyquist et al. (1977, 1979) for Apollo 12 olivine-pigeonite and ilmenite basalts. It is pointed out that the isotopic and trace element features of 12038 can by modeled as produced by partial melting of a cumulate mantle source which crystallized from a lunar magma ocean with a chondrite-normalized REE pattern of constant negative slope. Chondrite-normalized La/Yb is equal to 2.2 for this hypothetical magma ocean pattern.
Document ID
19820032456
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Nyquist, L. E.
(NASA Johnson Space Center Houston, TX, United States)
Wooden, J. L.
(Lockheed Engineering and Management Services Co., Inc. Houston, TX, United States)
Shih, C.-Y.
(Lockheed Engineering and Management Services Co., Inc. Houston, TX, United States)
Wiesmann, H.
(Lockheed Engineering and Management Services Co., Inc. Houston, TX, United States)
Bansal, B. M.
(Lockheed Engineering and Management Services Co., Inc. Houston, TX, United States)
Date Acquired
August 10, 2013
Publication Date
November 1, 1981
Publication Information
Publication: Earth and Planetary Science Letters
Volume: 55
Issue: 3, No
Subject Category
Lunar And Planetary Exploration
Accession Number
82A15991
Distribution Limits
Public
Copyright
Other

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