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Northwest Africa 16735
Basic information Name: Northwest Africa 16735
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16735
Observed fall: No
Year found: 2023
Country: (Northwest Africa)
Mass:help 128 g
Classification
  history:
Recommended:  Ureilite    [explanation]

This is 1 of 674 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 10 Jun 2024
Writeuphelp
Writeup from MB 113:

Northwest Africa 16735 (NWA 16735)

(Northwest Africa)

Purchased: 2023 Dec

Classification: Ureilite

Petrography: (J. Gattacceca, CEREGE) Equigranular subhedral agregate of olivine with grain size 2 mm. Metal (mostly weathered) and carbon material are found along olivine rims.

Geochemistry: Olivine Fa20.0±1.3, CaO 0.42±0.06 wt%, Cr2O3 0.64±0.14 wt%, FeO/MnO 48.4 (n=10). Olivine rims are reduced down to Fa15.5. Pyroxene Fs16.0Wo11.9, Al2O3 0.82 wt%, Cr2O3 0.83 wt%, TiO2 0.03 wt% (n=1).

Classification: Ureilite.

Specimens: Type specimen at CEREGE, main mass with Kuntz.

Data from:
  MB113
  Table 0
  Line 0:
Place of purchase:Tindouf, Algeria
Date:P 2023 Dec
Mass (g):128
Pieces:2
Class:Ureilite
Weathering grade:high
Fayalite (mol%):20.0±1.3 (n=10)
Ferrosilite (mol%):16.0 (n=1)
Wollastonite (mol%):11.9
Magnetic suscept.:4.48
Classifier:J. Gattacceca, C. Sadaka, CEREGE
Type spec mass (g):23.95
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K579; submitted by J. Gattacceca, CEREGE
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)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 113, in preparation (2024)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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