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Northwest Africa 13295
Basic information Name: Northwest Africa 13295
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13295
Observed fall: No
Year found: 2019
Country: Algeria
Mass:help 203 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 537 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 3 Jul 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13295 (NWA 13295)

Algeria

Find: 2019

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Stephen Amara from Mustapha Hnini in Algeria on 26 Dec 2019.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Sample is a chondrite containing abundant chondrules (Av. 1.2±0.1 mm), CAIs (Av. 1.4±0.1 mm), and Fe-oxides in an opaque matrix.

Geochemistry: Olivine (Fa30.0±21.2, range Fa5.7-63.4, n=44), Low-Ca Pyroxene (Fs4.2±1.5Wo2.4±0.9, range Fs2.0-6.4Wo1.6-3.5, n=8).

Classification: Carbonaceous Chondrite (CV3, CVOxA subgroup). Lack of Fe-Ni metal points to the oxidized subgroup. Magnetic susceptibility points to CVOxA subgroup (Bonal et al., 2020).

Specimens: 27.27 grams at UCLA; main mass with Stephen Amara.

Bibliography:
  • Bonal L., Gattacceca J., Garenneac A., Eschriga J., Rochette P., and Krämer Ruggiu L. (2020) Water and heat: New constraints on the evolution of the CV chondrite parent body. Geochim. Cosmochim. Acta 276 363-383. (link)
Data from:
  MB109
  Table 0
  Line 0:
Date:2019
Mass (g):203
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):30.0±21.2 (N=44)
Ferrosilite (mol%):4.2±1.5 (N=8)
Wollastonite (mol%):2.4±0.9 (N=8)
Magnetic suscept.:3.54
Classifier:D. Sheikh, FSU
Type spec mass (g):27.27
Type spec location:UCLA
Main mass:Stephen Amara
Comments:Submitted by Daniel Sheikh
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Photos:
CreditPhotos
Public domain photographs:
Daniel Sheikh   
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1015 approved meteorites from Algeria (plus 26 unapproved names) (plus 4 impact craters)

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