Composition, Mineralogy, and Noble Gas Content of Apollo 17 Particles and Soils From the 73002 Drive Tube

IF 3.9 1区地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS

Journal of Geophysical Research: Planets Pub Date : 2025-03-12 DOI:10.1029/2024JE008329

Barbara A. Cohen, Natalie M. Curran, Sarah N. Valencia, Catherine M. Corrigan, Emma S. Bullock, Elana G. Alevy, Scott A. Eckley, the ANGSA Science Team

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Abstract

As part of the Apollo Next-Generation Sample Analysis (ANGSA) program, we provide bulk composition, mineralogy, petrology, and noble gas assays of lunar particles and soils from the top half of the 73001/2 double-drive tube (i.e., 73002) studied by the ANGSA consortium. The particles are derived from lithologies of the South Massif, including anorthosites, anorthositic breccias, high-Ti basalts, noritic impact-melt breccias, agglutinates, and regolith breccias. The impact-melt breccias are distinguished by their inclusion of high-Mg spinel that may extend the compositional family of pink spinel troctolites. The noble gas data provide cosmic-ray exposure ages representing the emplacement of the light mantle unit at 60 Ma preceded by soil exposure in an avalanche-emplaced surface around 100 Ma. These measurements provide additional insight into the geologic evolution of the Apollo 17 site and the light mantle unit sampled by the double-drive tube.

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来源期刊

Journal of Geophysical Research: Planets Earth and Planetary Sciences-Earth and Planetary Sciences (miscellaneous)

CiteScore

8.00

自引率

27.10%

发文量

254

期刊介绍： The Journal of Geophysical Research Planets is dedicated to the publication of new and original research in the broad field of planetary science. Manuscripts concerning planetary geology, geophysics, geochemistry, atmospheres, and dynamics are appropriate for the journal when they increase knowledge about the processes that affect Solar System objects. Manuscripts concerning other planetary systems, exoplanets or Earth are welcome when presented in a comparative planetology perspective. Studies in the field of astrobiology will be considered when they have immediate consequences for the interpretation of planetary data. JGR: Planets does not publish manuscripts that deal with future missions and instrumentation, nor those that are primarily of an engineering interest. Instrument, calibration or data processing papers may be appropriate for the journal, but only when accompanied by scientific analysis and interpretation that increases understanding of the studied object. A manuscript that describes a new method or technique would be acceptable for JGR: Planets if it contained new and relevant scientific results obtained using the method. Review articles are generally not appropriate for JGR: Planets, but they may be considered if they form an integral part of a special issue.