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Lahmada 049
Basic information Name: Lahmada 049
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2020
Country: Western Sahara
Mass:help 1000 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Pallasite
Recommended:  Pallasite    [explanation]

This is 1 of 81 approved meteorites classified as Pallasite.   [show all]
Search for other: Metal-rich meteorites, Pallasites
Comments: Approved 25 May 2022
Writeuphelp
Writeup from MB 111:

Lahmada 049        27º24.05’N, 9º02.9167’W

Saguia el Hamra, Western Sahara

Purchased: 2020

Classification: Pallasite

History: Many small pieces (less than 10 g) were found 1.2km S of Al Mahbas in Western Sahara. Adrián Contreras Gómez (CRATER meteorites) purchased the samples from Hmad Ait Hssain in October 2020.

Physical characteristics: Sample is composed of numerous cm-sized samples that are olivine crystals surrounded by oxidized material.

Petrography: Description and classification (A. Love, App) Sample is composed of a single olivine crystal surrounded by oxidized Fe metal. Additional mineral are: troilite and chromite.

Geochemistry: (A. Love, App) Olivine (Fa13.1±0.0, Fe/Ni=38.5±1.6, n=6).

Classification: Pallasite. Possibly paired to La'Gad 002

Specimens: Adrián Contreras Gómez (CRATER Meteorites) holds the main masses. 16 individuals with a combined weight of 24.12 g and a polished mount are on deposit at App.

Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:Saguia el Hamra
Date:P 2020
Latitude:27º24.05'N
Longitude:9º02.9167'W
Mass (g):1000
Pieces:many
Class:Pallasite
Weathering grade:high
Fayalite (mol%):13.1±0.0
Classifier:A. Love, App
Type spec mass (g):24.12
Type spec location:App
Main mass:Adrián Contreras Gómez (CRATER Meteorites)
Comments:Submitted by Anthony Love
Institutions
   and collections
App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013)
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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Geography:

Western Sahara
Coordinates:
     Recommended::   (27° 24' 3"N, 9° 2' 55"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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