IGGCAS OpenIR  > 地球与行星物理院重点实验室
Ancient geologic events on Mars revealed by zircons and apatites from the Martian regolith breccia NWA 7034
Hu, Sen1,2,3; Lin, Yangting1,2,3; Zhang, Jianchao1; Hao, Jialong1; Xing, Weifan1; Zhang, Ting1,2,3; Yang, Wei1,2,3; Changela, Hitesh1
2019-04-01
Source PublicationMETEORITICS & PLANETARY SCIENCE
ISSN1086-9379
Volume54Issue:4Pages:850-879
AbstractZircons and apatites in clasts and matrix from the Martian breccia NWA 7034 are well documented, timing ancient geologic events on Mars. Furthermore, in this study, zircon trace elemental content, apatite volatile content, and apatite volatile isotopic compositions measured in situ could constrain the evolution of those geologic events. The U-Pb dates of zircons in basalt, basaltic andesite, trachyandesite igneous clasts, and the matrix are similar (4.4 Ga) suggesting intense volcanism on ancient Mars. However, two metamict zircon grains found in the matrix have an upper intercept date of similar to 4465 Ma in crystalline, whereas amorphous areas have a lower intercept date of 1634 +/- 93 Ma. The younger date is consistent with the date of apatites (1530 +/- 65 Ma), suggesting a metamorphic event that completely reset the U-Pb system in both the amorphous areas of zircon and all apatites. delta D values in all apatites negatively correlate with water content in a two-endmember mixing trend. The D (delta D up to 2459 parts per thousand) and Cl-37 heavy core (3.8 parts per thousand) of a large apatite grain suggest a D-, Cl-37-rich fluid during the metamorphic event similar to 1.6 Ga ago, consistent with the trace elements Y, Hf and Ti and P in zircons. The fluid was also therefore P-rich. The D-, Cl-37-poor H2O-rich rim (<313 parts per thousand) suggests the degassing of water from the Martian Cl-poor interior at a later time. This D-, Cl-37-poor Martian mantle reservoir could have derived from volcanic intrusions postdating the younger metamorphic event recorded in NWA 7034.
DOI10.1111/maps.13256
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS
WOS KeywordCHLORINE ISOTOPE COMPOSITION ; NORTHWEST AFRICA 7034 ; RARE-EARTH-ELEMENT ; HYDROTHERMAL ACTIVITY ; MELT INCLUSIONS ; METEORITE ; PB ; WATER ; HYDROGEN ; MANTLE
Language英语
Funding ProjectNational Natural Science Foundation of China[41430105] ; National Natural Science Foundation of China[41490631] ; National Natural Science Foundation of China[41573057] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-DQC001]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; Key Research Program of Frontier Sciences, CAS
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000462911900010
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/91084
Collection地球与行星物理院重点实验室
Corresponding AuthorHu, Sen
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Hu, Sen,Lin, Yangting,Zhang, Jianchao,et al. Ancient geologic events on Mars revealed by zircons and apatites from the Martian regolith breccia NWA 7034[J]. METEORITICS & PLANETARY SCIENCE,2019,54(4):850-879.
APA Hu, Sen.,Lin, Yangting.,Zhang, Jianchao.,Hao, Jialong.,Xing, Weifan.,...&Changela, Hitesh.(2019).Ancient geologic events on Mars revealed by zircons and apatites from the Martian regolith breccia NWA 7034.METEORITICS & PLANETARY SCIENCE,54(4),850-879.
MLA Hu, Sen,et al."Ancient geologic events on Mars revealed by zircons and apatites from the Martian regolith breccia NWA 7034".METEORITICS & PLANETARY SCIENCE 54.4(2019):850-879.
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