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| Juancheng | |||||||||||||||||
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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:  100 kg | ||||||||||||||||
| Classification history: |
This is 1 of 11372 approved meteorites (plus 22 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 |
Writeup from MB 82:
Juancheng 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. | ||||||||||||||||
| 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) 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) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
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Geography:
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Statistics: This is 1 of 5 approved meteorites from Shandong, China (plus 1 unapproved name) This is 1 of 489 approved meteorites from China (plus 13 unapproved names) (plus 1 impact crater) | ||||||||||||||||
| Proximity search: | |||||||||||||||||
| Synonyms: |
Heze (In NHM Cat) | ||||||||||||||||