Meteoritical Bulletin: Entry for Awsserd

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Awsserd

Basic information

Name: Awsserd
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: Western Sahara
Mass: 924 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	R4
Recommended:			R4 [explanation]

This is 1 of 70 approved meteorites classified as R4. [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7)

Comments:

Approved 30 Oct 2017

Writeup

Writeup from MB 106:

Awsserd 22°32’11"N, 14°17’09"W

Dakhla, Western Sahara/Morocco

Find: 2017 Jan 10

Classification: Rumuruti chondrite (R4)

Physical characteristics: Crusted stone. Cut surface reveals a dark interior with small light-colored chondrules.

Petrography: (J. Gattacceca, CEREGE): Discernible chondrules set in abundant recrystallized matrix. Olivine is the main mineral. Abundant sulfides, no metal.

Geochemistry: Olivine Fa_40.9±1.7, PMD 4.1%, range Fa_39.3-43.1, NiO=0.32±0.11 wt%, FeO/MnO=89 (N=5). Ca-pyroxene Fs_12.2Wo_44.7(N=1)

Classification: R4. Minimal weathering.

Specimens: 22.4 g including a polished secton at CEREGE. Main mass with Marc Henry.

Data from:
  MB106
  Table 0
  Line 0:

State/Prov/County:	Dakhla
Date:	2017 Jan 10
Latitude:	22°32'11"N
Longitude:	14°17'09"W
Mass (g):	924
Pieces:	16
Class:	R4
Weathering grade:	minimal
Fayalite (mol%):	40.9±1.7 (N=5)
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	22.4
Type spec location:	CEREGE
Main mass:	Marc Henry
Comments:	work name HE01; submitted by J. Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)

Catalogs:

References:

Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Denis gourgues

Geography:

Western Sahara

Coordinates:
Recommended::	(22° 32' 11"N, 14° 17' 9"W)

Statistics:
This is 1 of 3 approved meteorites from Dakhla, Western Sahara
This is 1 of 286 approved meteorites from Western Sahara (plus 20 unapproved names)

Proximity search:

Synonyms

Awsserd 001 (First meteorite in DCA)

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