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Northwest Africa 14680
Basic information Name: Northwest Africa 14680
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14680
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 1671 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 431 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 21 Feb 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14680 (NWA 14680)

(Northwest Africa)

Purchased: 2021 Nov

Classification: Ordinary chondrite (LL3)

Petrography: (K. Metzler, IfP) Unequilibrated ordinary chondrite, consisting of closely packed chondrules and chondrule fragments, with low amounts of interchondrule matrix. The mean apparent chondrule size is 580 μm (n=160). Small amounts of Fe-Ni metal (partly terrestrially oxidized) and troilite, mostly residing outside of chondrules.

Geochemistry: Mineral compositions and geochemistry: The mean olivine composition is Fa14.7±11.0 (Fa1.0-42.6; n=24); the mean low-Ca pyroxene composition is Fs8.7±6.6Wo1.0±0.8 (Fs1.5-20.9Wo0.3-2.5; n=18).

Classification: LL chondrite, based on the low metal content and large mean apparent chondrule size. Petrologic type 3, based on the chemical variation of olivine and pyroxene. Petrologic subtype <3.5, based on the high PMD of Fa values (PMD=75).

Specimens: The largest stone has a weight of 1194 g.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2021 Nov
Mass (g):1671
Pieces:3
Class:LL3
Shock stage:C-S1
Weathering grade:W3
Fayalite (mol%):14.7±11.0
Ferrosilite (mol%):8.7±6.6
Wollastonite (mol%):1.0±0.8
Classifier:K. Metzler, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:Mohamed Ali Loud
Comments:Submitted by K. Metzler, IfP
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Domjan Svilkovic   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8745 approved meteorites from (Northwest Africa) (plus 1880 unapproved names)

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