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Basic information Name: Juancheng
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: Yes
Year fell: 1997
Country: China
Mass:help 100 kg
Meteoritical Bulletin:  MB 82  (1998)  H5
NHM Catalogue:  5th Edition  (2000)  H5
MetBase:  v. 7.1  (2006)  H5
Recommended:  H5    [explanation]

This is 1 of 8844 approved meteorites (plus 11 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeup from MB 82:


Shandong Province, China

Fell 1997 February 15, 23:23:35 Beijing time (15:23:35 UT)

Ordinary chondrite (H5)

A shower of small stones (>1000 individuals) fell near the Yellow River after a brilliant fireball with smoke and sparks terminated in a loud, resonating explosion.  The fall ellipse measured ~10.5 ´ 4.3 km, oriented east-west.  The largest recovered piece weighed 2.7 kg, and the total mass is >100 kg.  One fragment was reported to have penetrated a roof and landed in a pot on a stove.  This meteorite has been widely traded and sold under the unofficial name Heze. Classification and mineralogy (Chen Yonghen and Wang Daode, GIG; Wang Ruitian, HBS; A. Rubin, UCLA;):  olivine, Fa19.0–19.2; pyroxene, Fs16.9Wo0.1; plagioclase heterogeneous, An9–33Ab63–84Or3–12; kamacite contains 0.36–0.47 wt% Co; shock stage S2.  Specimens:  35 kg, DPitt; ~1 kg, ZMAO; ~1 kg, BeiAP.

   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)
BeiAP: Beijing Astronomical Planetarium, Beijing, China (institutional address)
GIG: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China (institutional address; updated 27 Feb 2011)
Beijing: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
HBS: Heze Bureau of Seismology, Shandong Province, Heze 274026, China (institutional address)
ZMAO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)
Search for this meteorite in the Natural History Museum collection (U.K.):   
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References: Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
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     Catalogue of Meteorites:   (35° 30'N, 115° 25'E)
     Recommended::   (35° 30'N, 115° 25'E)

     This is 1 of 5 approved meteorites from Shandong, China (plus 1 unapproved name)
     This is 1 of 236 approved meteorites from China (plus 8 unapproved names) (plus 1 impact crater)
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Synonyms: Heze (In NHM Cat)

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