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Re: Repost: Heze/Juancheng meteorite



At 09:19 AM 1/16/98 -0500, you wrote:
>Hi Jeff was or is there now an official classification? H/? . Thanks
>Henry
>
Here is the Meteoritical Bulletin entry for 1998 July, as it
now stands.  See http://www.uark.edu/studorg/metsoc/metbull.htm

Juancheng                 35º30'N 115º25'E
  Shandong Province, China
  Fell 1997, February 15 (23:30 Beijing time)
  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 ~10.5x4.3 km, oriented 
E-W. 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.  

BeiAP: Beijing Astronomical Planetarium, Beijing, People's Republic of 
       China.
DPitt: Mr. Darryl Pitt, 225 West 83rd Street, New York, NY 10024, USA.
GIG:   Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, 
       Guangzhou 510640, China.
HBS:   Heze Bureau of Seismology, Shandong Province, Heze 274026, China.
UCLA:  Institute of Geophysics and Planetary Physics, University of 
       California, Los Angeles, CA 90095-1567, USA.
ZMAO:  Zhijing Mountain Astronomical Observatory, Nanjing, People's 
       Republic of China.