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Frontier Mountain 99040
Basic information Name: Frontier Mountain 99040
     This is an OFFICIAL meteorite name.
Abbreviation: FRO 99040
Observed fall: No
Year found: 1999
Country: Antarctica [Collected by Programma Nazionale di Ricerche in Antartide (PNRA), Italy]
Mass:help 71.4 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  CO3
Meteoritical Bulletin:  MB 84  (2000)  CO3
MetBase:  v. 7.1  (2006)  CO3
Recommended:  CO3    [explanation]

This is 1 of 523 approved meteorites classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Writeuphelp
Writeup from MB 84:

 Frontier Mountain 99040

CO3

Abundant chondrules ( ~ 45 vol%) and refractory inclusions ( ~ 10 vol%) set in a fine-grained matrix; chondrule mean diameter 0.2 mm; metal abundance ~ 5 vol%; olivine, Fa1–49, pyroxene, Fs1–7. Mineralogy and classification by:  B. Anselmi, C. Ferraris, and L. Folco (MNA-SI); R. Carampin, A. M. Fioretti, and G. Molin (UPad); M. Macrì, A. Maras, and M. Serracino (URoma).  Oxygen-isotopic analyses by A. Sexton and I. A. Franchi (OU).  For 1990 and 1993 samples, main masses at MNA-SI, type specimens at OU.  For 1997 and 1999 samples, main masses, type specimens, and thin sections at MNA-SI

Data from:
  MB84
  Table 2
  Line 153:
Latitude:72°57'50"S
Longitude:160°33'29"E
Mass (g):71.4
Pieces:1
Class:CO3
Shock stage:S2
Weathering grade:W0
Fayalite (mol%):12 (1-49)
Ferrosilite (mol%):4 (1-7)
Classifier:R. Carampin, A. M. Fioretti, and G. Molin (UPad)
Comments:see text
Institutions
   and collections
MNA-SI: Museo Nazionale dell'Antartide, Università di Siena, Via Laterina 8, I-53100 Siena, Italy; Website (institutional address; updated 13 Dec 2011)
OU: Planetary and Space Sciences Department of Physical Sciences The Open University Walton Hall Milton Keynes MK7 6AA United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011)
URoma: Museo di Mineralogia, Dipartimento di Scienze della Terra, Università di Roma “La Sapienza,” Piazzale Aldo Moro,5 I-00185 ROMA, Italy (institutional address; updated 16 Oct 2011)
UPad: Istituto di Geoscienze e Georisorse-CNR, University di Padova, Italy (institutional address)
Catalogs:
Search for this meteorite in the Museo Nazionale dell'Antartide database (Siena, Italy):   
References: Published in Meteoritical Bulletin, no. 84, MAPS 35, A199-A225 (2000)
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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (72° 57' 50"S, 160° 33' 29"E)
     Recommended::   (72° 57' 50"S, 160° 33' 29"E)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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