Yamato 791197
From Wikipedia, the free encyclopedia
| Yamato 791197 | |
|---|---|
| Type | Achondrite |
| Class | Lunar meteorite |
| Group | Anorthositic[1] |
| Parent body | Moon |
| Country | Antarctica |
| Coordinates | 71°30′S 35°40′E / 71.500°S 35.667°ECoordinates: 71°30′S 35°40′E / 71.500°S 35.667°E[1] |
| Observed fall | No |
| Fall date | 0.03-0.09 Myr [2] |
| Found date | November 20, 1979 |
| TKW | 52.4 g |
Yamato 791197, official abbreviation Y-791197, is a meteorite that was found in Antarctica on November 20, 1979.[3]
It is the first rock to be found on Earth identified as a lunar meteorite (see also ALH 81005). It was collected by National Institute of Polar Research, Japan.[1]
Classification and characteristics
Weighing 52.4 grams, it is a weakly shocked feldspathic regolith breccia believed to have come from the lunar highlands on the far side of the Moon.[1][4]
It is classified as lunar-anorthositic breccia, a lunar meteorite that is primarily anorthositic.[1]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Meteoritical Bulletin Database: Yamato 791197
- ↑ Cassidy, William A. (2003). "Meteorites, Ice, and Antarctica". Cambridge University Press. p. 186. Retrieved 2011-11-15.
- ↑ Korotev, Randy L. "Lunar Meteorite: Yamato 791197". Washington University in St. Louis, Department of Earth and Planetary Sciences. Retrieved 2011-11-15.
- ↑ Ostertag, R., et al. (1985). "Lunar meteorite Yamato 791197: a weakly shocked regolith breccia from the far side of the Moon". Lunar and Planetary Science. XVI/3: 635–636.
External links
| |||||||||||||||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.