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首页> 外文期刊>Planetary and space science >Surface mineralogy and stratigraphy of the lunar South Pole-Aitken basin determined from Clementine UV/VIS and NIR data
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Surface mineralogy and stratigraphy of the lunar South Pole-Aitken basin determined from Clementine UV/VIS and NIR data

机译：根据克莱门汀UV / VIS和NIR数据确定的南极-艾特肯月球盆地的地表矿物学和地层学

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摘要

The South Pole-Aitken (SPA) basin, located on the lunar far side, is one of the oldest and largest recognised impact structures in the solar system. The basin is a proposed site for future sample return missions and human bases due to the unique geological environment and its potential for preservation of water ice in areas of near-permanent shadow. Here, we report surface mineralogy maps of the central and northern parts of the SPA basin, based on Clementine UV/VIS and NIR spectral data. Clementine LIDAR data and SMART-1 AMIE images provide additional geomorphological and strati-graphic information. A noritic mineralogical composition is identified as the deepest stratigraphic unit exposed on the basin floor. Norite is found in nearly all central peaks and in large topographical structures that have punched through an upper, often basaltic or gabbroic layer, including the Leibnitzl and Apollo sub-basins. The thin layer of gabbroic/basaltic composition is distributed over large parts of the SPA basin floor and presumably overlays the noritic basement of apparent lower-crustal origin. Our data do not confirm the presence of olivine-rich material in the SPA basin, including at Olivine Hill, suggesting the mantle material was not excavated during the basin-forming impact.
机译：位于月球远端的南极-艾特肯（SPA）盆地是太阳系中最古老，规模最大的撞击结构之一。由于独特的地质环境及其在接近永久阴影区域保存水冰的潜力，该盆地是未来样本返回任务和人类基地的拟议地点。在这里，我们根据克莱门汀的UV / VIS和NIR光谱数据报告了SPA盆地中部和北部的地表矿物学地图。 Clementine LIDAR数据和SMART-1 AMIE图像提供了其他地貌和地层信息。矿床矿物成分被确定为盆地底部暴露的最深层。在几乎所有中心峰和贯穿上部（通常为玄武质或辉长岩层）的大型地形结构中都发现了Norite，包括Leibnitzl和Apollo子盆地。辉长岩/玄武质组成的薄层分布在SPA盆地底部的大部分区域，大概覆盖了明显地壳下缘的有色基底。我们的数据并未证实SPA盆地（包括橄榄石山）中富含橄榄石的物质的存在，这表明在盆地形成过程中并未挖掘出地幔物质。

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  • 来源
    《Planetary and space science》 |2012年第1期|p.76-85|共10页
  • 作者

    A.M. Borst; B.H. Foing; G.R. Davies; W. van Westrenen;

  • 作者单位

    Faculty of Earth and Life Sciences, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands,Research and Scientific Support Department, ESA/ESTEC SRE, Postbus 299, 2200 AC Noordwijk, The Netherlands;

    Faculty of Earth and Life Sciences, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands,Research and Scientific Support Department, ESA/ESTEC SRE, Postbus 299, 2200 AC Noordwijk, The Netherlands;

    Faculty of Earth and Life Sciences, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands;

    Faculty of Earth and Life Sciences, VU University Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands;

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  • 正文语种 eng
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  • 关键词

    south pole-aitken basin; clementine mission; lunar mineralogy; spectroscopy; remote sensing; SMART-1 mission;

    机译：南极艾特肯盆地;柑橘任务月球矿物学光谱学遥感;SMART-1任务;

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