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词条 Žemaitkiemis meteorite
释义

  1. References

  2. External links

{{Infobox meteorite
|Name = Žemaitkiemis
|Alternative names =
|Image =
|Image_caption =
|Type = Chondrite
|Class = Ordinary chondrite
|Clan =
|Group = L chondrite
|Subgroup = L6[1]
|Parent body =
|Composition =
|Shock =
|Weathering =
|Country = Lithuania
|Region = Ukmergė District Municipality
|Lat_Long = {{coord|55|18|N|25|00|E|display=inline,title}}
|Observed_fall = Yes
|Fall_date = 2 February 1933
|Found_date =
|TKW = {{convert|44|kg}}
|Strewn_field = Yes
}}Žemaitkiemis meteorite is an ordinary chondrite that fell near Žemaitkiemis, Lithuania at about 8:33 pm on 2 February 1933.[2] Using the argon–argon dating method, scientists have calculated its age to be about 520 million years.

The fall was observed by the Koenigsberg Observatory. Since the meteorite fell near inhabited areas during winter, it was rather easy to locate the fragments in the snow.[2] In total, 20 fragments with a combined weight of {{convert|42.2|kg}} were collected and donated to the Vytautas Magnus University. The largest pieces weighted {{convert|7258|and|7080|g}}.[2] Two other fragments were gifted later – {{convert|36.6|g}} and {{convert|1840|g}} – to the Institute of Geology and Geography in Vilnius.[6] There were also reports of a {{convert|10|kg}} fragment found about {{convert|3|km}} from Žemaitkiemis in 1938.[7] More pieces likely fell into the {{ill|Kliepšiai Lake|lt|Kliepšių ežeras}} or were kept by the locals.[2]

The main mass, two largest fragments and 13 other fragments, are held by the Geology Museum of Vilnius University.[9] Other fragments are held by: {{convert|2.1|kg}} by the National Museum in Prague, {{convert|1.1|kg}} by the Russian Academy of Science, {{convert|636|g}} by the Natural History Museum in London, {{convert|69|g}} by the National Museum of Natural History in Paris,[10] {{convert|33|g}} by the Field Museum of Natural History in Chicago, {{convert|13.9|g}} by the Geological Survey of Canada, and others.[1]

On 14 July 2017, President Dalia Grybauskaitė approved a coat of arms of Žemaitkiemis that features the meteorite fall.[12]

References

1. ^{{cite book |first=Catherine L.V. |last=Caillet Komorowski |url=https://books.google.com/books?id=7SvtVoa1W-cC&pg=PA198 |page=198 |title=The History of Meteoritics and Key Meteorite Collections: Fireballs, Falls and Finds |chapter=The meteorite collection of the National Museum of Natural History in Paris, France |editor-first=Gerald Joseph Home |editor-last=McCall |editor-first2=A. J. |editor-last2=Bowden |editor-first3=Richard John |editor-last3=Howarth |publisher=Geological Society of London |year=2006 |isbn=978-1-86239-194-9}}
2. ^{{cite book |first=Monica M. |last=Grady |url=https://books.google.com/books?id=mkdHJR35Q_8C&pg=PA543 |title=Catalogue of Meteorites Reference Book with CD-ROM |year=2000 | publisher=Cambridge University Press |edition=5th |page=543 |isbn=0-521-66303-2 }}
3. ^{{cite book |editor-first=Algimantas |editor-last=Grigelis |url=https://books.google.com/books?id=JZREAQAAIAAJ&dq=%2210+kg%22 |title=Lietuvos geologija ir profesorius Mykolas Kaveckis |year=1969 |publisher=Kauno Politechnikos institutas |language=lt |page=164 |oclc=253645847}}
4. ^{{cite book |first=Mykolas |last=Kaveckis| url=http://www.meteoritukolekcija.lt/sites/meteoritukolekcija.lt/files/zemaitkiemio_meteoritas.pdf |year=1935 |title=Žemaitkiemio meteoritas, kritęs 1933 m. vasario mėn. 2 d. |language=lt |pages=4–7, 17}}
5. ^{{cite journal |first=Eugenija |last=Rudnickaitė |title=Vilniaus universiteto geologijos ir mineralogijos muziejaus meteoritų kolekcija |url=http://www.geol.gf.vu.lt/sites/all/straipsniai/Rudnickaite2006GA3_51.pdf |language=lt |journal=Geologijos akiračiai |page=59 |year=2006 |volume=3 |issn=1392-0006}}
6. ^{{cite journal |first=Eugenija |last=Rudnickaitė |title=Vilniaus universiteto geologijos muziejaus prie geologijos ir mineralogijos katedros meteoritų kolekcija (iš dangaus nukritęs paveldas) |url=http://museums.lt/wp-content/uploads/Rinkiniai_2006_Nr_05-IX-konferencija-1.pdf |language=lt |issn= 1822-0657 |year=2006 |journal=Lietuvos muziejų rinkiniai |volume=5 |page=74}}
7. ^{{cite web |first=Daiva |last=Zimblienė |title=Įvertintos pastangos, kuriant miestelio herbą ir vėliavą |date=1 July 2018 | url=https://www.ukzinios.lt/kultura/bendruomenes/19600-ivertintos-pastangos-kuriant-miestelio-herba-ir-veliava |publisher=Ukmergės žinios |language=lt |accessdate=2 November 2018}}
[1][2][3][4][5][6][7]
}}

External links

  • Photo of 5.4 kg fragment
  • Zemaitkiemis at wiki.Meteoritica.pl (in Polish)
  • [https://www.lpi.usra.edu/meteor/metbull.php?code=30399 Zemaitkiemis at the Meteoritical Bulletin Database]
{{DEFAULTSORT:Zemaitkiemis}}

3 : February 1933 events|1933 in Lithuania|1933 in science

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