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Evolution of the lunar crust recorded in the meteoritic feldspathic regolith breccias Northwest Africa 10291 and 11182: insights into the heterogeneity and petrogenesis of crustal lithologies using petrology and mineral chemistry

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TitleInfo
Title
Evolution of the lunar crust recorded in the meteoritic feldspathic regolith breccias Northwest Africa 10291 and 11182: insights into the heterogeneity and petrogenesis of crustal lithologies using petrology and mineral chemistry
Name (type = personal)
NamePart (type = family)
Boyle
NamePart (type = given)
Shannon
NamePart (type = date)
1991-
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Shannon Boyle
Role
RoleTerm (authority = RULIB)
author
Name (type = personal)
NamePart (type = family)
Gross
NamePart (type = given)
Juliane
DisplayForm
Juliane Gross
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
chair
Name (type = personal)
NamePart (type = family)
Tikoo
NamePart (type = given)
Sonia
DisplayForm
Sonia Tikoo
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
Herzog
NamePart (type = given)
Gregory
DisplayForm
Gregory Herzog
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
internal member
Name (type = personal)
NamePart (type = family)
Prissel
NamePart (type = given)
Tabb
DisplayForm
Tabb Prissel
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
outside member
Name (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB)
degree grantor
Name (type = corporate)
NamePart
School of Graduate Studies
Role
RoleTerm (authority = RULIB)
school
TypeOfResource
Text
Genre (authority = marcgt)
theses
OriginInfo
DateCreated (encoding = w3cdtf); (qualifier = exact)
2019
DateOther (encoding = w3cdtf); (qualifier = exact); (type = degree)
2019-10
Language
LanguageTerm (authority = ISO 639-3:2007); (type = text)
English
Abstract (type = abstract)
The geology of the Moon represents nearly a continuous geological record from its formation during the giant impact that resulted in the Earth-Moon system, to its state today. Therefore, it is a prime location for understanding one path of planetary evolution. Lunar meteorites are on average samples of rock and regolith from random areas on the lunar surface. As such, they represent our best available tools to study the crustal evolution of the Moon because they provide data on lunar petrology, geochemistry, and chronology, as well as data on the variety of existing lunar lithologies different from Apollo and Luna mission sample return sites. We investigated two lunar feldspathic regolith breccias found in 2017, Northwest Africa (NWA) 10291 and NWA 11182, to understand their petrogenetic origin and, more broadly, the evolution of lithologies present in unsampled areas of the Moon and place constraints on lunar crustal evolution in these areas. Both meteorites experienced terrestrial weathering, NWA 10291 less so than NWA 11182. NWA 10291 contains a variety of lithic clasts from the lunar highlands ranging from anorthosites to norites and gabbronorites, to pyroxenites. The matrix is mostly dominated by pyroxene grains that mostly have a very low Ti-basalt signature. In addition, NWA 10291 contains mineral grain fragments in the matrix of zircon, silica, and Na- and K-rich plagioclase. The bulk composition of other meteorites paired with NWA 10291, however, show low Th and low FeO content, indicating that this meteorite may have originated from the lunar farside feldspathic highland terrane (FHT), within the vicinity of South Pole Aitken basin. In contrast, most clasts in NWA 11182 are granulites, impact melt breccias, or recrystallized impact melt. They show a large compositional variation in Mg# ranging from hyperferroan (Mg# ~40) to highly magnesian (Mg# 80); however, a bimodal distribution between ferroan anorthosites (FAN) and magnesium-anorthosites (MAN) was identified using the Lilliefors test at the 95 and 99% confidence level. Judging from the lack of KREEP and presence of both FAN and MAN lithologies, NWA 11182 most likely originated from a region far from the Procellarum KREEP Terrane, between the lunar farside highland terrane (more Mg-rich) and the nearside highland terrane (more ferroan). Future bulk composition measurements could be used to further constrain the source regions of both meteorites.
Subject (authority = RUETD)
Topic
Geological Sciences
RelatedItem (type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier (type = RULIB)
ETD
Identifier
ETD_10282
PhysicalDescription
Form (authority = gmd)
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
1 online resources (ix, 112 pages) : illustrations
Note (type = degree)
M.S.
Note (type = bibliography)
Includes bibliographical references
Subject (authority = LCSH)
Topic
Lunar petrology
Subject (authority = LCSH)
Topic
Moon -- Crust
RelatedItem (type = host)
TitleInfo
Title
School of Graduate Studies Electronic Theses and Dissertations
Identifier (type = local)
rucore10001600001
Location
PhysicalLocation (authority = marcorg); (displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier (type = doi)
doi:10.7282/t3-ngqe-8276
Genre (authority = ExL-Esploro)
ETD graduate
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Rights

RightsDeclaration (ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder (type = personal)
Name
FamilyName
Boyle
GivenName
Shannon
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2019-09-20 14:20:36
AssociatedEntity
Name
Shannon Boyle
Role
Copyright holder
Affiliation
Rutgers University. School of Graduate Studies
AssociatedObject
Type
License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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