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Ramlat Fasad 583
Basic information Name: Ramlat Fasad 583
     This is an official name for a relict meteorite. Relict meteorites are composed mostly of terrestrial minerals, but are thought to have once been meteorites. Note: evidence that this was once a meteorite may not have been critically evaluated.
Abbreviation: RF 583
Observed fall: No
Year found: 2018
Country: Oman
Mass:help 5 g
Classification
  history:
Recommended:  Relict iron    [explanation]

Comments: Entered 30 Aug 2021
Writeuphelp
Writeup from MB 110:

Ramlat Fasad 583        19°09.340’N, 53°37.293’E

Zufar, Oman

Find: 22 Jan 2018

Classification: Relict meteorite (Relict iron)

History: Found during a search for meteorites.

Physical characteristics: Several dark brown strongly magnetic iron oxide fragments up to 15 mm in size embedded in sandstone.

Petrography: Fragments consisting of partially massive iron(hydr)oxide, partly (hydr)oxide-impregnated dune sand. Sharp boundary of (hydr)oxide-rich fragments to host sandstone, which is not impregnated by (hydr)hydroxides. Strongly magnetic.

Geochemistry: Bulk analysis (XRF, in situ) Fe 0 21.2±3.7, Ni = 0.50±0.19, Co <0.05-0.07 (all wt%, N = 3).

Classification: Relict iron meteorite. Element concentrations affected by terrestrial weathering and dilution by adhering dune sand.

Specimens: All at NMBE.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Zufar
Origin or pseudonym:Desert plain
Date:22 Jan 2018
Latitude:19°09.340'N
Longitude:53°37.293'E
Mass (g):~5
Pieces:1
Class:Relict iron
Weathering grade:high
Classifier:B. Hofmann, E. Gnos
Type spec mass (g):~5
Type spec location:NMBE
Main mass:NMBE
Finder:Urs Eggenberger, Martin Fisch, Andreas Glauser, Saif Al-Hamemi, Gisela Weibel, Mirjam Wolffers, Wolfgang Zucha
Comments:Embedded in a block of sandstone; field number 1801_0061; submitted by Beda Hofmann
Institutions
   and collections
NMBE: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
Catalogs:
Relict meteorite
info:
Name: Ramlat Fasad 583
Fieldname: 1801_0061
Origin/pseudonym: Oman
Purchased:
Purchase or find date: 2018 Jan 22
Lat/long: 19°09.340'N, 53°37.293'E
Mass: ~5
Pieces: 1
Specimens: NMBE
Description: relict iron
Info: enclosed in sandstone
Name assigned to: Beda Hofmann
Date assigned: 2021-05-22
Assigned by: Beda Hofmann
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

Oman
Coordinates:
     Recommended::   (19° 9' 20"N, 53° 37' 18"E)
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