Zaisho
| Zaisho meteorite | |
|---|---|
| Type | Stony-iron |
| Class | Pallasite |
| Group | Pallasite main group, anomalous[1] |
| Country | Japan[1] |
| Region | Shikoku |
| Coordinates | 33°42′N 133°48′E / 33.700°N 133.800°E[1] |
| Observed fall | Yes |
| Fall date | 1898[2] |
| TKW | 330 grams (12 oz)[1] |
Zaisho is is the name of a stony-iron pallasite meteorite whose fall in Japan in February 1898 was recorded by observers on the ground.[1][2] Zaisho made landfall in the city of Kami, located in the prefecture of Kōchi on Shikoku Island.[3] Zaisho weighs approximately 0.33kg (12oz) and exhibits a rare composition of primarily iron rich phosphoran olivine, and pyroxene. Zaisho also contains traces of stanfieldite, farringtonite, troilite, schreibersite, chromite, and mg-phosphate, albeit in smaller amounts.[1][4][5] Notably, Zaisho is also one of two confirmed meteorite landings to take place on the island of Shikoku[1], and as of 2019 it remains one of only four known pallasite falls, along with Marjalahti, Mineo and Omolon.[4] Currently, access to Zaisho is not available to the public as the main mass of the meteorite is being held in a private collection.[4]
See also
[edit]References
[edit]- ^ a b c d e f g "Zaisho". Meteoritical Bulletin Database. Meteoritical Society. Retrieved 8 January 2013.
- ^ a b "METEORITE FALLS CALENDAR - FEBRUARY". impactika.com. Retrieved 18 October 2014.
- ^ Hudson Institute of Mineralogy. (2016). Zaisho meteorite, Kami City, Kochi Prefecture, Japan. Mindat.org. https://www.mindat.org/loc-262253.html
- ^ a b c Buseck, Peter R.; Jim Clark (June 1984). "Zaisho a pallasite containing pyroxene and phosphoran olivine" (PDF). Mineralogical Magazine. 48 (347): 229–35. Bibcode:1984MinM...48..229B. CiteSeerX 10.1.1.608.9261. doi:10.1180/minmag.1984.048.347.06. Retrieved 8 January 2013.
- ^ Shima, M., Okada, A., & Yabuki, H. (1980). Mineralogical and petrographical study of the Zaisho meteorite, a pallasite from Japan. Zeitschrift fuer Naturforschung Teil A, Physik, Physikalische Chemie, Kosmophysik, 35(1), 64-68.
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