Park Forest (meteorite)

Meteorite
Name= Park Forest


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Type= Chondrite
Class= Ordinary chondrite
Group= L5
Structural_classification=
Composition= olivine composition Fa_24.7, pyroxene Fs_20.7W_o1.6
Shock= S5
Weathering= W0
Country= United States
Region= Cook County, Illinois
Lat_Long= coord|41|29|5|N|87|40|45|W|display=inline,title [ [http://tin.er.usgs.gov/meteor/metbull.php?sea=Park+Forest&sfor=names&ants=&falls=&valids=&stype=contains&lrec=50&
] ]
Observed_fall= Yes
Fall_date= 2003-03-26
Found_date=
TKW= 18 kg


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Park Forest is a L5 chondrite meteorite fallen on 26th March 2003 in Illinois, United States.

History

Many people from Illinois, Indiana, Wisconsin and Ohio around midnight of March 26, 2003 saw a bright fireball. Several stones fell near the village of Park Forest. At least two houses in Park Forest were struck, as well the Fire Station. In the following days many stones or fragments of stones were recovered in the area. The total mass recovered is above 18 kg and the single largest stone is about 3 kg.

Composition and classification

Most stones are partly or full fusion-crusted. The interior shows brecciated texture and angular clasts. There are also dark veins and dark pockets, probably of impact melt origin. There are no visible chondrules. There is also abundant metal and troilite. Mean olivine composition Fa_24.7, mean low-Ca pyroxene Fs_20.7W_o1.6.

pecimens

Several samples are conserved at the Field Museum of Natural History of Chicago.

Notes

See also

* Meteorite

External links

* [http://tin.er.usgs.gov/meteor/metbull.php Meteoritical Bulletin Database]