astro.wikisort.org - Meteorite

Yamato 791197, official abbreviation Y-791197, is a meteorite that was found in Antarctica on November 20, 1979.[3]

Yamato 791197
Type	Achondrite
Class	Lunar meteorite
Group	Anorthositic[1]
Parent body	Moon
Country	Antarctica
Coordinates	71°30′S 35°40′E[1]
Observed fall	No
Fall date	0.03-0.09 Myr[2]
Found date	November 20, 1979
TKW	52.4 g

It is the first rock to be found on Earth identified as a lunar meteorite (see also ALH 81005)^{[clarification needed]}. 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

• Glossary of meteoritics
• List of lunar meteorites

References

External links

• Chemical Classification

---