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São João Nepomuceno
Basic information Name: São João Nepomuceno
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 1960
Country: Brazil
Mass:help 15.3 kg
Classification
  history:
Meteoritical Bulletin:  MB 58  (1980)  Iron
NHM Catalogue:  5th Edition  (2000)  IVA-an
MetBase:  v. 7.1  (2006)  IVA-an
Recommended:  Iron, IVA-an    [explanation]

This is 1 of 6 approved meteorites classified as Iron, IVA-an.   [show all]
Search for other: Iron meteorites, IVA irons, and Metal-rich meteorites
Writeuphelp
Writeup from MB 58:
Warning: the following text was scanned and may contain character recognition errors. Refer to the original to be sure of accuracy.

DISCOVERY OF THE SÃO JOÃO NEPOMUCENO, BRAZIL, IRON METEORITE

Name: SÃO JOÃO NEPOMUCENO

Place of find: São João Nepomuceno, Minas Gerais State, Brazil.

21°33'S., 43°01'W.

Date of find: Not reported.

Class and type: Iron. Fine octahedrite, with silicate inclusions (0.3 mm). Group IVA-ANOM, 8.0% Ni, 2.16 ppm Ga, 0.118 ppm Ge, 2.6 ppm Ir.

Number of individual

specimens: 1?

Total weight: Not reported.

Circumstances of find: Not reported.

Source: J.T. Wasson, letter of December, 1979 and A. Kracher et al., 1980. Chemical classification of iron meteorites - IX. A new group (IIF), revision of IAB and IIICD, and data on 57 additional irons. Geochim. Cosmochim. Acta 44, 773.

Catalogs:
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References: Published in Meteoritical Bulletin, no. 58, Meteoritics 15, 235-240 (1980)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
DCOM   
Dirk Hohmann   
Don Cuarzo   
Dott. Geol. Alberto Giusta      
Gabriel Gonçalves Silva   
Jay Piatek   
John A. Shea   
Rodrigo Guerra      
Suzanne De Paula   
Geography:

Brazil
Coordinates:
     Catalogue of Meteorites:   (21° 33'S, 43° 1'W)
     Recommended::   (21° 33'S, 43° 1'W)

Statistics:
     This is 1 of 22 approved meteorites from Minas Gerais, Brazil (plus 2 unapproved names)
     This is 1 of 87 approved meteorites from Brazil (plus 6 unapproved names) (plus 7 impact craters)
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