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Ramlat as Sahmah 251
Basic information Name: Ramlat as Sahmah 251
     This is an OFFICIAL meteorite name.
Abbreviation: RaS 251
Observed fall: No
Year found: 2005
Country: Oman
Mass:help 97.3 g
Classification
  history:
Meteoritical Bulletin:  MB 91  (2007)  CV3
Recommended:  CV3    [explanation]

This is 1 of 536 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 1 Sep 2006
Writeuphelp
Writeup from MB 91:

Ramlat as Sahmah 251                                                20°01.883N, 56°27.354E

Oman

Found 26 February 2005

Carbonaceous chondrite (CV3)

History: J. Bühler, M. Eggimann, E. Gnos, and R. Wieler recovered a single stone during a systematic search for meteorites.

Physical characteristics: Irregularly shaped stone of a olive-gray color, no fusion crust preserved, with a mass of 97.3 g.

Petrography and mineral compositions: (E. Gnos, UBE; B. Hofmann, NMBE; A. Al-Kathiri, UBE) The meteorite consists of up to 3.3 mm size olivine-pyroxene-dominated chondrules (32.3 vol%), fine-grained convoluted CAIs (0.25– 2.6 mm; 8.3 vol%), and dark matrix containing few mineral grains (59.3 vol%). Mean olivine (Fa14.2; range Fa3.5–34.5) and mean pyroxene (Fs1.5Wo1.8; range Fs0.6–2.6En94.5–98.5 Fs0.9–3.3). Fe-sulfides are partially weathered.

Classification: Carbonaceous chondrite (CV3); S1.

Type specimen: The specimen is on deposit at NMBE.

Data from:
  MB91
  Table 5
  Line 218:
Date:2005 Feb 26
Latitude:20°01.883'N
Longitude:56°27.354'E
Mass (g):97.3
Pieces:1
Class:CV3
Shock stage:S1
Fayalite (mol%):14.2
Ferrosilite (mol%):1.5
Classifier:A. Al-Kathiri, E. Gnos, Institute of Geological Sciences, Bern; B. Hofmann, Natural History Museum Bern, Analyst E. Gnos, Bern
Type spec mass (g):97.3
Type spec location:Bern
Finder:J. Bühler, M. Eggimann, E. Gnos, R. Wieler
Institutions
   and collections
NMBE: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
Bern: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)
UBE: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
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Geography:

Oman
Coordinates:
     Recommended::   (20° 1' 53"N, 56° 27' 21"E)

Statistics:
     This is 1 of 1751 approved meteorites from Al Wusta, Oman (plus 72 unapproved names)
     This is 1 of 3959 approved meteorites from Oman (plus 371 unapproved names)
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