globalchange  > 气候减缓与适应
DOI: 10.1038/ngeo2511
论文题名:
Carbon content and degassing history of the lunar volcanic glasses
作者: Wetzel D.T.; Hauri E.H.; Saal A.E.; Rutherford M.J.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2015
卷: 8, 期:10
起始页码: 755
结束页码: 758
语种: 英语
Scopus关键词: carbon ; degassing ; hydrogen ; lunar crust ; magma ; magma chemistry ; melt inclusion ; upper mantle ; volcanic eruption ; volcanic glass ; water content
英文摘要: Volcanic glasses observed on the lunar surface have been interpreted as the products of volatile-rich, fire-fountain eruptions. Revised estimates of the water content of primitive lunar magmas have overturned the notion of a volatile-poor Moon, but degassing of water-rich vapour during volcanic eruptions is inconsistent with geochemical and petrological observations. Although degassing of carbon is compatible with observations, the amount of indigenous carbon in lunar volcanic materials is not well constrained. Here we present high-precision measurements of indigenous carbon contents in primitive lunar volcanic glasses and melt inclusions. From our measurements, in combination with solubility and degassing model calculations, we suggest that carbon degassed before water in lunar magmas, and that the amount of carbon in the lunar lavas was sufficient to trigger fire-fountain eruptions at the lunar surface. We estimate-after correcting for bubble formation in the melt inclusions-that the primitive carbon contents and hydrogen/carbon ratios of lunar magmas fall within the range found in melts from Earth's depleted upper mantle. Our findings are also consistent with measurements of hydrogen, fluorine, sulphur and chlorine contents, as well as carbon and hydrogen isotopes, in primitive lunar magmas, suggesting a common origin for the volatile elements in the interiors of the Earth and Moon. © 2015 Macmillan Publishers Limited. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106160
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: Department of Geological Sciences, Brown University, Providence, RI, United States; Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC, United States

Recommended Citation:
Wetzel D.T.,Hauri E.H.,Saal A.E.,et al. Carbon content and degassing history of the lunar volcanic glasses[J]. Nature Geoscience,2015-01-01,8(10)
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