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Park Forest
Basic information Name: Park Forest
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: Yes
Year fell: 2003
Country: United States
Mass:help 18 kg
Meteoritical Bulletin:  MB 87  (2003)  L5
MetBase:  v. 7.1  (2006)  L5
Recommended:  L5    [explanation]

This is 1 of 8948 approved meteorites (plus 5 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeup from MB 87:

Park Forest

Cook County, Illinois, USA

Fell 2003 March 26, approx. 23:50 hrs local time

Ordinary chondrite (L5)

A bright fireball was seen by numerous observers in parts of Illinois, Indiana, Wisconsin and Ohio around midnight of March 26, 2003. Numerous stones fell, mostly concentrated in the area of the village of Park Forest. At least two houses in Park Forest were struck, as was the Fire Station. Dozens of other stones or fragments of stones were recovered in the area in the hours and days following the fall. Total mass recovered is more than 18 kg, largest stone ~3 kg in possession of finder. Description and classification (S. Simon, UChi; M. Wadhwa, FMNH; P. Sipiera, PSF): Most stones are partly to fully fusion-crusted. Some broken faces show brecciated texture, angular clasts. Cross-cutting dark veins and dark pockets may be of impact melt origin. No visible chondrules in hand sample. Abundant troilite and metal visible in some broken faces. Chondrules and maskelynite are visible in thin section. Mean olivine composition Fa24.7, mean low-Ca pyroxene Fs20.7Wo1.6. Shock stage S5. Specimens: type specimen 515 g (hit fire station), FMNH. Other stones at FMNH: 1200 g, 529 g, 183 g, 159 g, 125 g.

   and collections
FMNH: NW Quadrant/Geology The Field Museum of Natural History 1400 South Lake Shore Drive Chicago, IL 60605-2496, USA, United States; Website (institutional address; updated 22 May 2024)
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UChi: University of Chicago, Chicago, IL 60637, United States (institutional address; updated 28 Feb 2011)
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References: Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
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United States
     Recommended::   (41° 29' 5"N, 87° 40' 45"W)

Strewnfield map:Google Earth Park_Forest_strewnfield.kmz

     This is 1 of 10 approved meteorites from Illinois, United States (plus 1 unapproved name) (plus 2 impact craters)
     This is 1 of 1930 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)
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