Meteoritical Bulletin: Entry for Frontier Mountain 99040

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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: 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 589 approved meteorites (plus 1 unapproved name) classified as CO3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites

Writeup

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, Fa_1–49, pyroxene, Fs_1–7. 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: Department of Geosciences, University of Padova, Via G. Gradenigo 6, I-35131 Padova, Italy, Italy (institutional address; updated 25 Jun 2021)

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 41899 approved meteorites from Antarctica (plus 3802 unapproved names)

Proximity search:

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