[meteorite-list] Happy 13th Birthday to the Park Forest meteorite!

From: Galactic Stone & Ironworks <meteoritemike_at_meteoritecentral.com>
Date: Sat, 26 Mar 2016 15:09:10 -0400
Message-ID: <CAKBPJW_jmpAfBNSQUSFHGTF=_B6nBe4rwuwTngfv3xLfC_iRNg_at_mail.gmail.com>

13th Anniversary of the Park Forest Meteorite Fall - March 26, 2003.

Cook County, Illinois, USA

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

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.

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Received on Sat 26 Mar 2016 03:09:10 PM PDT

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