Meteoritical Bulletin: Entry for Ramlat Fasad 544

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Ramlat Fasad 544

Basic information

Name: Ramlat Fasad 544
This is an OFFICIAL meteorite name.
Abbreviation: RF 544
Observed fall: No
Year found: 2017
Country: Oman
Mass: 6.8 g

Classification
history:

Recommended:

CO3 [explanation]

This is 1 of 636 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 30 Aug 2021

Writeup

help

Writeup from MB 110:

Ramlat Fasad 544 19°06.396’N, 53°20.176’E

Zufar, Oman

Find: 2017 Feb 05

Classification: Carbonaceous chondrite (CO3)

History: Found during a search for meteorites.

Physical characteristics: Single dark reddish brown fragment, no fusion crust preserved.

Petrography: (Åke Rosén, E. Gnos, B. Hofmann) Chondrules, and CAIs and olivine grains (up to 0.8 mm) in dark-brown matrix. Typical size of chondrules 0.2-0.3 mm. Partially altered troilite grains up to 100 μm are common, metal grains only rarely preserved. Unshocked (S1), strongly weathered.

Geochemistry: (Å. Rosén) Olivine Fa_7.6±9.2, range Fa_0.7-40.7(N = 43). Orthopyroxene Fs_1.6±1.4Wo_1.8±2.3(N = 9). Oxygen isotopes: (R. Greenwood, OU) δ¹⁸O = -0.246 δ¹⁷O = -4.677 Δ¹⁷O = -4.549 (all permil).

Classification: Based on chondrule size, texture and mineralogy this is a carbonaceous chondrite, type CO3, medium weathering, low shock.

Specimens: 1.7 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 05
Latitude:	19°06.396'N
Longitude:	53°20.176'E
Mass (g):	6.842
Pieces:	1
Class:	CO3
Shock stage:	S1
Weathering grade:	high
Fayalite (mol%):	7.6±9.2 (n=43)
Ferrosilite (mol%):	1.6±1.4 (n=10)
Wollastonite (mol%):	1.8±2.3 (n=10)
Magnetic suscept.:	3.78
Classifier:	Å. Rosén, E. Gnos, B. Hofmann
Type spec mass (g):	1.7
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_0220; 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Photos:

Credit	Photos
Public domain photographs:
Beda Hofmann

Geography:

Oman

Oman

Coordinates:
Recommended::	(19° 6' 24"N, 53° 20' 11"E)

Statistics:
This is 1 of 2167 approved meteorites from Zufar, Oman (plus 24 unapproved names)
This is 1 of 4001 approved meteorites from Oman (plus 436 unapproved names)

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