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| Milton | |||||||||||||
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| Basic information | Name: Milton This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2000 Country: United States Mass:  2.04 kg | ||||||||||||
| Classification history: |
This is 1 of 13 approved meteorites classified as Pallasite, ungrouped. [show all] Search for other: Metal-rich meteorites, Pallasites | ||||||||||||
| Comments: | Revised 26 May 2009: Classification from Jones (2003) | ||||||||||||
| Writeup |
Writeup from MB 87:
Milton Atchison County, Missouri, USA Found 2000 October Pallasite A single mass of 2040 g was found in a bean field by Ben Rogers and Gary Wennihan. Initial identification was made by C. Rohs and J. Reese at Northwest Missouri State University. Classification and mineralogy (R. Jones, UNM; J. Wasson, UCLA): Small, angular olivines (73 vol%), mean Fa17.2; molar Fe/Mn = 123; metal composition, Ni = 151 mg/g, Co, 9.6 mg/g, Ga, 15.3 µg/g; As, 10.1 µg/g; Ir, 50.4 µg/g, Au, 1.16 µg/g. Mean oxygen isotope ratios of olivine (T. Larson and Z. Sharp, UNM): δ18O = +0.52 ‰, δ17O = –2.87‰. Specimens: main mass with finder; type specimen, 69.7 g, plus polished thin section, UNM; 73.5 g at Northwest Missouri State University. | ||||||||||||
| Plots: | O isotopes: | ||||||||||||
| Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015) |
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| References: | Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
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Geography:
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Statistics: This is 1 of 24 approved meteorites from Missouri, United States (plus 2 unapproved names) (plus 2 impact craters) This is 1 of 1935 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters) | ||||||||||||
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