Meteoritical Bulletin: Entry for Aridal 018

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Aridal 018

Basic information

Name: Aridal 018
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2021
Country: Western Sahara
Mass: 9 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	CVred3
Recommended:			CVred3 [explanation]

This is 1 of 49 approved meteorites classified as CVred3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 23 Aug 2021

Writeup

Writeup from MB 110:

Aridal 018 25.54755°N, 13.32425°W

Western Sahara

Find: 2021 Apr 02

Classification: Carbonaceous chondrite (CVred3)

History: Found by Modamed Ouaizza on April 2, 2021. Bought by Jean Redelsperger from Zaid Oulguirah in 2021.

Physical characteristics: Dark stone without fusion crust. Cut face reveals large chondrules and CAIs set in a dark matrix.

Petrography: (J. Gattacceca, CEREGE) Large chondrules (~800 µm) and CAIs set in abundant, fine-grained, metal-rich matrix. Opaque are magnetite, troilite, and FeNi metal

Geochemistry: Sulfides are Ni-free (Ni content below the detection limit of EPMA).

Classification: Carbonaceous chondrites (CVred3). CVox group based on the Ni content of sulfides Gattacceca et al., 2020.

Specimens: Type specimen at CEREGE. Main mass with Jean Redelsperger

Bibliography:

Gattacceca J.,Bonal L.,Sonzognia C., and Longereya J. (2020) CV chondrites: More than one parent body. Earth Planet. Sci. Letts. 547, 116467. (link)

Data from:
  MB110
  Table 0
  Line 0:

Date:	2021 Apr 02
Latitude:	25.54755°N
Longitude:	13.32425°W
Mass (g):	9
Pieces:	1
Class:	CVred3
Weathering grade:	low
Fayalite (mol%):	10.2±1.9 (n=5)
Ferrosilite (mol%):	1.6±0.1 (n=3)
Wollastonite (mol%):	2.2±1.9
Magnetic suscept.:	4.29
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	1.96
Type spec location:	CEREGE
Main mass:	Jean Redelsperger
Finder:	Mohamed Ouaizza
Comments:	work name JR100; submitted by Jerome 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., 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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Geography:

Western Sahara

Coordinates:
Recommended::	(25° 32' 51"N, 13° 19' 27"W)

Statistics:
This is 1 of 280 approved meteorites from Western Sahara (plus 20 unapproved names)

Proximity search:

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Revision
history:

This lists important revisions made to data for this record.

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