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Święcany
Basic information Name: Święcany
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2004
Country: Poland
Mass:help 8 g
Classification
  history:
Meteoritical Bulletin:  MB 94  (2008)  L/LL5
Recommended:  L/LL5    [explanation]

This is 1 of 16 approved meteorites classified as L/LL5.   [show all]
Search for other: L chondrites, L/LL chondrites, L/LL chondrites (type 4-7), LL chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 17 Apr 2008
Writeuphelp
Writeup from MB 94:

Święcany                    49°4729’’ N, 21°1528’’E

Jasło, Poland

Find: September 2004

Ordinary chondrite (L/LL5)

History: A girl of age 12, Katarzyna Dępczyńska, found the stone in gravel on a road about 100 m from the house no. 73 in the village of Święcany, Jasło district, Podkarpackie province, Poland. The gravel was probably brought from a quarry near Skołyszyn in 2003. The stone was then given to Mr. Marcin Mazur from the town of Jasło, who gave it for examination to Mr. Łukasz Bandur, student of geology, who found it was a chondrite. Then the stone was given for classification to Dr. Łukasz Karwowski USil.

Physical characteristics: It is an 8 g rusty stone with tiny grains of quartz and argillaceous slate stuck to its surface and rare fragments of fusion crust.

Petrography: (Ł. Karwowski USil) Metallic Fe-Ni is replaced by iron oxide except a few tiny taenite grains. Troilite is largely weathered. Iron hydroxides and the remaining metal and troilite comprise 5–6 vol% No alteration of silicates. There are few well-delineated chondrules and many chondrule fragments. Matrix is composed of olivine and pyroxene grains, some of which are quite large, comparable with chondrules in size (up to 1.5 mm). The stone is brecciated.

Mineral compositions: Olivine (Fa25.3–26.4), low-Ca pyroxene (Fs22.0–22.8), high-Ca pyroxene (Fs7.0–7.0 Wo46.5–46.5), feldspar (An10.4–13.9 Or4.4–6.3).

Classification: Ordinary chondrite (L/LL5); S2, W3.

Type specimens: One thin section and the main mass, 6.62 g, are on deposit at USil.

Data from:
  MB94
  Table 7
  Line 1:
State/Prov/County:Jaslo, Poland
Date:Sept-2004
Latitude:49°47'29"N
Longitude:21°15'28"E
Mass (g):8
Pieces:1
Class:L/LL5
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):25.5-26.4
Ferrosilite (mol%):22-22.8
Wollastonite (mol%):3.15
Classifier:L. Karwowski USil
Type spec mass (g):6.62
Type spec location:Usil
Main mass:USil
Institutions
   and collections
USil: Faculty of Earth Sciences, University of Silesia, Bedzinska 60, 41-200 Sosnowiec, Poland; Website (institutional address; updated 14 Jan 2017)
Catalogs:
References: Published in Meteoritical Bulletin, no. 94, MAPS 43, 1551-1588 (2008)
Find references in NASA ADS:
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Geography:

Poland
Coordinates:
     Recommended::   (49° 47' 29"N, 21° 15' 28"E)

Statistics:
     This is the only approved meteorite from Tarnow, Poland
     This is 1 of 22 approved meteorites from Poland (plus 8 unapproved names) (plus 1 impact crater)
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