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La'gad 005
Basic information Name: La'gad 005
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2023
Country: Western Sahara
Mass:help 1265 g
Classification
  history:
Recommended:  Diogenite-olivine    [explanation]

This is 1 of 25 approved meteorites classified as Diogenite-olivine.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 1 Feb 2024
Writeuphelp
Writeup from MB 113:

La’gad 005        27.126823°N, 8.712939°W

Saguia el Hamra, Western Sahara

Purchased: 2023

Classification: HED achondrite (Diogenite, olivine)

Petrography: (K. Metzler, IfP) Monomict achondritic breccia, consisting of harzburgite and dunite clasts (up to several mm), embedded in fine-grained related debris. Small amounts of plagioclase are present. Accessories are Cr-Al-spinel (max. size ~1 mm) and troilite. Point counting (n=175) on the investigated thin section revealed ~86 vol% olivine, ~9 vol% low-Ca pyroxene, ~3 vol% plagioclase, and ~2 vol% opaques.

Geochemistry: Mineral compositions and geochemistry: Mean compositions: Olivine Fa29.5±0.3 (Fa29.1-30.2); Fe/Mn (at.): 44.6; n=15. Pyroxene: Fs24.7±0.7Wo3.5±0.6 (Fs24.0-25.7Wo2.6-4.3); mean Fe/Mn (at.): 30.4; n=14. Plagioclase An90.7±2.6Or0.1±0.2 (An85.9-94.4Or0.0-0.8); n=15.

Classification: Olivine-bearing diogenite (harzburgitic to dunitic), based on modal composition and mineral chemistry.

Data from:
  MB113
  Table 0
  Line 0:
State/Prov/County:Saguia el Hamra
Place of purchase:Western Sahara
Date:P 2023
Latitude:27.126823°N
Longitude:8.712939°W
Mass (g):1265
Pieces:1
Class:Diogenite-olivine
Shock stage:U-S4
Weathering grade:moderate
Fayalite (mol%):29.5±0.3
Ferrosilite (mol%):24.7±0.7
Wollastonite (mol%):3.5±0.6
Classifier:K. Metzler, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:Said Muftah Bachir, Western Sahara
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. 113, in preparation (2024)
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Photos:
CreditPhotos
Public domain photographs:
Knut Metzler      
Geography:

Western Sahara
Coordinates:
     Recommended::   (27° 7' 37"N, 8° 42' 47"W)

Statistics:
     This is 1 of 117 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name)
     This is 1 of 280 approved meteorites from Western Sahara (plus 20 unapproved names)
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