Understanding the textures of Apollo 11 high-Ti mare basalts: A quantitative petrographic approach
文献类型：期刊论文
| 作者 | Xue, Zhuqing1,2,4; Welsh, Donald F.1; Neal, Clive R.1; Xiao, Long3 |
| 刊名 | METEORITICS & PLANETARY SCIENCE
 |
| 出版日期 | 2021-12-15 |
| 页码 | 19 |
| ISSN号 | 1086-9379 |
| DOI | 10.1111/maps.13767 |
| 通讯作者 | Neal, Clive R.(neal.1@nd.edu) |
| 英文摘要 | This paper represents a comprehensive crystal size distribution (CSD) study of ilmenite and plagioclase from 12 Apollo 11 basalts from four of the five compositional groups (Groups A, B1, B2, B3, and one unclassified basalt-Group "U" basalt 10062). Ilmenite was saturated in the magma at/before eruption, resulting in subsurface growth of phenocrysts (Group B1) and many small crystals upon eruption. Plagioclase always exhibits linear CSDs representing a single cooling regime in each sample, which is interpreted as crystallizing within isolated magma pockets late in the cooling of the erupted lava flow. Latent heat of crystallization and insulating effects of crystallized phases produced slower cooling and lower plagioclase nucleation densities. Exceptions are the Group B2 and B3 basalts, indicating relatively earlier crystallization of plagioclase on the lunar surface. Our study demonstrates that textures of the Apollo 11 basalts are a product of the interplay among cooling rate, bulk composition, and nucleation density during crystallization. Group A basalts have the highest cooling rates compared to the other Apollo 11 samples (except 10072,53), and were erupted through high effusion rates producing thick flows that underwent extended cooling that induced textural coarsening in both early crystallizing ilmenite and late-stage plagioclase. Group B1 lavas had the lowest effusion rates producing the thinnest flows. The Groups B2, B3, and U basalts are intermediate between these end members. Our approach can be used to define eruption environment, crystallization sequence, and cooling rate of samples collected on the Moon from non-bedrock sources. |
| 资助项目 | China Scholarship Council[201806410078] ; National Key R & D Program of China[2020YFE0202100] ; Pre-research Project on Civil Aerospace Technologies of CNSA[D020205] |
| WOS研究方向 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000730381000001 |
| 出版者 | WILEY |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/177512]  |
| 专题 | 海洋研究所_深海极端环境与生命过程研究中心 |
| 通讯作者 | Neal, Clive R. |
| 作者单位 | 1.Univ Notre Dame, Dept Civil & Environm Engn & Earth Sci, Notre Dame, IN 46556 USA 2.Chinese Acad Sci, Ctr Deep Sea Res, Inst Oceanol, Qingdao 266071, Peoples R China 3.China Univ Geosci, Sch Earth Sci, Wuhan 430074, Peoples R China 4.Univ Chinese Acad Sci, Sch Marine Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xue, Zhuqing,Welsh, Donald F.,Neal, Clive R.,et al. Understanding the textures of Apollo 11 high-Ti mare basalts: A quantitative petrographic approach[J]. METEORITICS & PLANETARY SCIENCE,2021:19. |
| APA | Xue, Zhuqing,Welsh, Donald F.,Neal, Clive R.,&Xiao, Long.(2021).Understanding the textures of Apollo 11 high-Ti mare basalts: A quantitative petrographic approach.METEORITICS & PLANETARY SCIENCE,19. |
| MLA | Xue, Zhuqing,et al."Understanding the textures of Apollo 11 high-Ti mare basalts: A quantitative petrographic approach".METEORITICS & PLANETARY SCIENCE (2021):19. |
入库方式： OAI收割
来源：海洋研究所
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