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Xinglongquan meteorite, Zunhua City, Tangshan, Hebei, Chinai
Regional Level Types
Xinglongquan meteoriteMeteorite Fall Location
Zunhua CityCity
TangshanPrefecture
HebeiProvince
ChinaCountry

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Name(s) in local language(s):, 唐山市, 河北省, 中国
Latitude & Longitude (WGS84): 40° 9' 45'' North , 117° 41' 13'' East
Latitude & Longitude (decimal): 40.16250,117.68694
GeoHash:G#: wx5sqp358
Locality type:Meteorite Fall Location
Meteorite Class:L3 chondrite meteorite
Meteoritical Society Class:L3
Metbull:View entry in Meteoritical Bulletin Database
Köppen climate type:Dwa : Monsoon-influenced hot-summer humid continental climate


Ordinary chondrite, unequilibrated (L3;S1;W2)
Fell, 12 April 2008; 2-4 kg

A loud explosion was heard in the afternoon as a meteoritic stone struck the home of one Wang Shulan, penetrated the roof, struck the floor, and broke into two large pieces and several smaller pieces. Neighbors ran to the home where the largest fragment (932.2 g) lay on the corner of a brick bed along with scattered fragments, damaged furniture, and the scent of sulfur. The meteorite displayed a fresh blackened fusion crust and a light gray interior. Upon closer inspection, usually elongated and often barred (BO) chondrules (max diameters 0.2-2.0 mm) are both plentiful and distinct, comprising ~50 vol% of the meteorite. Mineral fragments, matrix, Fe-Ni metal (4-5 vol%), and sulfide (~2 vol%) account for the rest. Both the olivine [Fa~19±8] and pyroxene [Fs~15±8] compositions are quite variable. As of early 2017, the brief announcements in the Meteoritical Bulletin have not been supplemented in the scientific literature. Apparently, however, the circumstances of the fall were given extensive coverage in local Chinese venues.

Xinglongquan is one of only 13 unequilibrated (L3 petrographic type) L-group witnessed meteorite falls (as of late February 2017). While the L-group ordinary chondrites represent ~ 45% of classified witnessed meteorite falls, the L3 subtype accounts for only 2% of all recovered falls. Xinglongquan is one of the 6 unequilibrated L3 falls which are currently incompletely classified. Completely classified L3 chondrites are usually listed as L3.1 … L3.9 chondrites or, occasionally, as mixtures (such as L3-5…).

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Detailed Mineral List:

'Fayalite-Forsterite Series'
Description: Olivine — Fayalite (mol%): 19.2±7.8 (N=32), typical of L chondrites
Reference: http://www.lpi.usra.edu/meteor/metbull.php?code=62494
'L3 chondrite meteorite'
Reference: Meteoritical Society Database
'Meteoritic Iron'
Reference: http://www.lpi.usra.edu/meteor/metbull.php?code=62494
'Pyroxene Group'
Description: Pyroxene — Ferrosilite (mol%): 13.2±7.5 (N=47). Some Fe-poor pyroxene grains (En>90; Fs<10) are presumably either enstatite or clinoenstatite,sensu stricto.
Reference: http://www.lpi.usra.edu/meteor/metbull.php?code=62494

List of minerals arranged by Strunz 10th Edition classification

Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'L3 chondrite meteorite'-
'Meteoritic Iron'-
'Pyroxene Group'-

List of minerals arranged by Dana 8th Edition classification

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'Fayalite-Forsterite Series'-
'L3 chondrite meteorite'-
'Meteoritic Iron'-
'Pyroxene Group'-

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References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Alexeev, V.A. (1998) Parent bodies of H and L chondrites: Times of catastrophic events. Meteoritics & Planetary Science 33(1). (Jan 1998).
Grady, M.M (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.
Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages.

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