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Ramlat Fasad 027
Basic information Name: Ramlat Fasad 027
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2014
Country: Oman
Mass:help 10.8 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  CO3
Recommended:  CO3    [explanation]

This is 1 of 554 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
Comments: Approved 26 Dec 2015
Writeuphelp
Writeup from MB 104:

Ramlat Fasad 027        18°46.804’N, 53°09.346’E

Zufar, Oman

Find: 10 Feb 2014

Classification: Carbonaceous chondrite (CO3)

History: Found by Edwin Gnos, Beda Hofmann, Thomas Burri, and Marianna Mészáros during a search for meteorites on February 10, 2014.

Physical characteristics: Two dark brown wind ablated fragments (7.04 and 3.81 g), found close to each other, no fusion crust preserved. Total mass is 10.85 g.

Petrography: (B. Hofmann, NMBE and E. Gnos, MHNGE) Homogeneous chondritic texture. Glass-bearing chondrules. CAIs are common. Mean apparent chondrule size is 0.30±0.11 mm (n=93). Matrix abundance ~30%. Contains iron metal and troilite, both are partly altered to (hydr)oxides.

Geochemistry: (N. Greber, Bern) Olivine compositions are Fa29.7±10.9 (Fa0.6-36.9, n=26). Orthopyroxene compositions are Fs5.7±1.5Wo2.2±1.3 (Fs4.3-8.8 Wo0.4-4.2, n=11). Oxygen isotopes: (R. Greenwood, OU): δ18O=2.28, δ17O=-2.32, Δ17O=-3.51.

Classification: Based on petrography (including matrix abundance and chondrule size), geochemistry and oxygen isotopes this meteorite is a CO3 carbonaceous chondrite, unshocked (S1), medium weathering.

Specimens: All at NMBE

Data from:
  MB104
  Table 0
  Line 0:
State/Prov/County:Zufar
Origin or pseudonym:Desert plain
Date:10 Feb 2014
Latitude:18°46.804'N
Longitude:53°09.346'E
Mass (g):10.8
Pieces:2
Class:CO3
Shock stage:S1
Fayalite (mol%):29.7±10.9 (N=26)
Ferrosilite (mol%):5.7±1.5 (N=11)
Wollastonite (mol%):2.2±1.3 (N=11)
Classifier:B. Hofmann, N. Greber, E. Gnos
Type spec mass (g):10.8
Type spec location:NMBE
Main mass:NMBE
Finder:Thomas Burri, Edwin Gnos, Beda Hofmann, Marianna Mészáros
Comments:Submitted by Beda Hofmann
Plots: O isotopes:  
Institutions
   and collections
NMBE: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
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)
MHNGE: Muséum d’histoire naturelle, Route de Malagnou 1, CH-1211 Genève 6 , Switzerland (institutional address; updated 27 Oct 2011)
Bern: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:

Oman
Coordinates:
     Recommended::   (18° 46' 48"N, 53° 9' 21"E)

Statistics:
     This is 1 of 2131 approved meteorites from Zufar, Oman (plus 4 unapproved names)
     This is 1 of 3960 approved meteorites from Oman (plus 371 unapproved names)
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