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Ramlat Fasad 542
Basic information Name: Ramlat Fasad 542
     This is an OFFICIAL meteorite name.
Abbreviation: RF 542
Observed fall: No
Year found: 2017
Country: Oman
Mass:help 60.9 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 567 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 30 Aug 2021
Writeuphelp
Writeup from MB 110:

Ramlat Fasad 542        18°55.089’N, 53°21.275’E

Zufar, Oman

Find: 2017 Feb 01

Classification: Carbonaceous chondrite (CV3)

History: Found during a search for meteorites.

Physical characteristics: Three dark brown fragments, partly preserved fusion crust.

Petrography: (Åke Rosén, E. Gnos, B. Hofmann) Chondrules and CAIs in dark-brown matrix, chondrules contain brown glass. Typical size of chondrules 0.6-1.5 mm. Matrix and chondrule rims contain metal, troilite and magnetite, partially replacing metal and sulfide. Unshocked (S1), low weathering.

Geochemistry: (Å. Rosén) Olivine Fa5.8±5.1, range Fa0.5-24.8 (N=40). Orthopyroxene Fs1.0±1.9Wo1.4±1.0 (N = 9). Oxygen isotopes: (R. Greenwood, OU) δ18O = -1.860 δ17O = -6.172 Δ17O = -5.205 (all permil).

Classification: Based on chondrule size, mineralogy and oxygen isotopes this is a carbonaceous chondrite, type CV3, low weathering, unshocked. Paired with Ramlat Fasad 541 found at a distance of 150 m.

Specimens: 13.0 g and one polished thin section at NMBE. Main mass: MHTO.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Zufar
Origin or pseudonym:Desert plain
Date:2017 Feb 01
Latitude:18°55.089'N
Longitude:53°21.275'E
Mass (g):60.896
Pieces:3
Class:CV3
Shock stage:S1
Weathering grade:low
Fayalite (mol%):5.8±5.1 (n=40)
Ferrosilite (mol%):1.0±1.9 (n=9)
Wollastonite (mol%):1.4±1.0 (n=9)
Magnetic suscept.:4.17
Classifier:Å. Rosén, E. Gnos, B. Hofmann
Type spec mass (g):13.000
Type spec location:NMBE
Main mass:MHTO
Finder:Martin Bucher, Urs Eggenberger, Edwin Gnos, Beda Hofmann, Ioannis Kouvatsis, Malgorzata Sliz, Zaid Al-Musharrafi
Comments:Field number 1702_0052; 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)
MHTO: Ministry of Heritage and Tourism Muscat , Oman (institutional address; updated 10 Apr 2021)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Photos:
CreditPhotos
Public domain photographs:
Beda Hofmann   
Geography:

Oman
Coordinates:
     Recommended::   (18° 55' 5"N, 53° 21' 16"E)

Statistics:
     This is 1 of 2166 approved meteorites from Zufar, Oman (plus 22 unapproved names)
     This is 1 of 3999 approved meteorites from Oman (plus 434 unapproved names)
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