| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Outline of Final Research Achievements |
We have studied restoration of ancient stress field in the lunar crust on the basis of the lunar magnetic anomalies. Using the Surface Vector Mapping (SVM) method newly developed in this study, global maps of the lunar magnetic anomalies have been provided as the open access. The mapping results show many elongated anomalies, directions of which are not correlated with the surface topography and geology. Thus these elongated magnetic anomalies may be carried by intrusive rocks beneath the surface, recording ~4 Ga paleostress of the early Moon. The global pattern of the elongation directions suggests a systematic paleostress related to the de-spinning and/or polar wander of the Moon.
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