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Northwest Africa 14830
Basic information Name: Northwest Africa 14830
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14830
Observed fall: No
Year found: 2021
Country: Algeria
Mass:help 837 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  LL7
Recommended:  LL7    [explanation]

This is 1 of 99 approved meteorites classified as LL7.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Aug 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14830 (NWA 14830)

Algeria

Purchased: 2021

Classification: Ordinary chondrite (LL7)

History: Bought by Jean Redelsperger from Mohamed Elguirah in 2021

Physical characteristics: A single gray stone with fusion crust.

Petrography: (J. Gattacceca, CEREGE) Highly recrystallized chondrite with plagioclase to 100 μm. Only one faint relict chondrule was found in the studied section. Opaque minerals are metal, troilite and euhedral chromite.

Classification: Ordinary chondrite (LL7). Type 7 from texture and Wo content of low-Ca pyroxene.

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

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2021
Mass (g):837
Pieces:1
Class:LL7
Weathering grade:W2
Fayalite (mol%):31.8±0.1 (n=3)
Ferrosilite (mol%):26.0±0.2 (n=5)
Wollastonite (mol%):2.44±0.16 (n=5)
Magnetic suscept.:3.08
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):26
Type spec location:CEREGE
Main mass:Jean Redelsperger
Finder:anonymous
Comments:work name JR118; submitted by Jérôme 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. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Photos:
CreditPhotos
Public domain photographs:
Jerome Gattacceca      
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1336 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)
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Revision
  history:
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