• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Planetary and space science >Geochemical and mineralogical analysis of Gruithuisen region on Moon using M3 and DIVINER images
【24h】

Geochemical and mineralogical analysis of Gruithuisen region on Moon using M3 and DIVINER images

机译：利用M3和DIVINER影像对月球上的Gruithuisen地区进行地球化学和矿物学分析。

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Spectral information from the Moon Mineralogy Mapper (M3) onboard Chandrayaan-1 and DIVINER Lunar Radiometer onboard LRO have been used for geochemical and mineralogical characterisation of the Gruithuisen region on Moon along with morphometrical information from LOLA Digital elevation model. The apparent reflectance of M3 on global mode is used for (1) spectral characterisation (2) estimating the abundance of Ti and Fe using Lucey's method and (3) discriminating non-mare region from mare regions by means of Minimum Noise Fraction (MNF) transform and Integrated Band Depth (IBD) parameters. Christensen frequency (CF) value derived from DIVINER data is used to delineate the silica saturated lithology from the undersaturated rocks as well as to delineate their spatial spread. Low values of FeO, TiO_2, and IBD indicate non-mare nature of the domes and highland material, also supplemented by CF values. The highland rocks represent signatures of sodic plagioclase, the end result of plagioclase crystallisation from Lunar Magma Ocean. Compositional variations are observed among the domes. NW dome has highest silica concentration than the other two domes and in turn higher viscosity. It is most likely that the three domes tapped residual liquid from different locations of the residual magma chamber which is in constant mixing. The extrusion is probably a localised phenomenon, where urKREEP welled out along the zone of crustal weakness formed by Imbrium Impact. It is likely that 8 dome has extruded over a larger time span than other two features.
机译：来自Chandrayaan-1卫星上的月亮矿物学制图仪（M3）和LRO卫星上的DIVINER月球辐射仪的光谱信息已用于月球上Gruithuisen地区的地球化学和矿物学表征，以及来自LOLA数字高程模型的形态学信息。 M3在全局模式下的表观反射率用于（1）光谱表征（2）使用Lucey's方法估计Ti和Fe的丰度，以及（3）通过最小噪声分数（MNF）区分母马区域和非母马区域变换和综合频带深度（IBD）参数。从DIVINER数据得出的Christensen频率（CF）值可用于从欠饱和岩石中描绘出二氧化硅饱和岩性，并描绘其空间分布。 FeO，TiO_2和IBD的值低表明穹顶和高地材料的非母体性质，同时还补充有CF值。高地岩石代表苏打斜长石的特征，这是月球岩浆海中斜长石结晶的最终结果。在圆顶之间观察到成分变化。与其他两个圆顶相比，NW圆顶的二氧化硅浓度最高，因此粘度更高。这三个穹顶很可能从残留岩浆腔室的不同位置抽出残留液体，并不断混合。挤压可能是一种局部现象，其中urKREEP沿由Imbrium Impact形成的地壳薄弱区域冲出。 8个圆顶的拉伸时间可能比其他两个功能部件更长。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号