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Qidong (meteorite)

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Title: Qidong (meteorite)  
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Subject: Geology of China, Qidong, 1982 in China, 1982 in science, Geography of Jiangsu
Collection: 1982 in China, 1982 in Science, Geography of Jiangsu, Geology of China, History of Jiangsu, Meteorites Found in China
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Qidong (meteorite)

Qidong
Type Chondrite
Class Ordinary chondrite
Group L/LL5-an
Composition Fa25.7,[1] Fe21.5, Fe-Ni metal abundance 4.7 wt%
Country China
Region Jiangsu province, Qidong County
Coordinates [2]
Observed fall Yes
Fall date July 2, 1982, 17:45 hrs.[1]
TKW 1275 g[1]

Qidong is a L/LL5-an chondrite meteorite fallen in 1982 in China. After detonation a single individual specimen was found in the field. Other circumstances of fall and recovery were not reported.[1]

Contents

  • Composition and classification 1
  • See also 2
  • Notes 3
  • External links 4

Composition and classification

This meteorite is intermediate between L and LL ordinary chondrites, possibly indicating formation on a separate parent body.[3] Its fayalite, ferrosilite place this stone at the extreme higher end of L chondrites, the metal content is typical of LL chondrites and the Co abundance in matrix kamacite (15 mg/g) is at the extreme lower end of LL chondrites.

See also

Notes

  1. ^ a b c d . Meteoritics, vol. 22, page 160Meteoritical Bulletin, No. 65A. L. Graham.
  2. ^ QidongMeteoritical Bulletin Database:
  3. ^ Kallemeyn G. W., Rubin A. E., Wang D., and Wasson J. T. Ordinary chondrites: Bulk compositions, classification, lithophile-element fractionations, and composition-petrographic type relationships. 1989, Geochim. Cosmochim. Acta, 53, 2747–2767.

External links

  • QidongMeteorite Studies, a photographic classification:
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