header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 4 Dec 2022
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Amtoudi
Basic information Name: Amtoudi
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2020
Country: Morocco
Mass:help 550 g
Classification
  history:
Recommended:  LL3.15    [explanation]

This is 1 of 17 approved meteorites classified as LL3.15.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 1 Oct 2022
Writeuphelp
Writeup from MB 111:

Amtoudi        29°13’58"N, 9°08’46"W

South, Morocco

Find: 2020

Classification: Ordinary chondrite (LL3.15)

Petrography: (J. Gattacceca, CEREGE) Weathered chondrite with well-delineated packed chondrules with apparent diameter 720±350 μm (n=20). The rare remaining original opaque minerals are metal and troilite. Chondrule mesostasis is devitrified. Olivine is zoned.

Geochemistry: Olivine Fa14.7±8.4, range Fa0.5-30.3, Fa PMD 97% (n=40). Low-Ca pyroxene Fs11.4±8.5Wo1.0±0.6, range Fs1.9-22.0. Cr2O3 in ferroan olivine 0.20±0.12 (n=34).

Classification: Ordinary chondrite (LL3.15). LL group based on chondrule size and magnetic susceptibility. Subtype based on the Cr2O3 content of ferroan olivine that is similar to Yamato 791558 (Grossman and Brearley, 2005).

Specimens: Type specimen at CEREGE. Main mass with Jérémy Bassemon

Bibliography:
  • Grossman J.N. and Brearley A.J. (2005) The onset of metamorphism in ordinary and carbonaceous chondrites. Meteorit. Planet. Sci. 40, 87-122. (link)
Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:South
Date:2020
Latitude:29°13'58"N
Longitude:9°08'46"W
Mass (g):550
Pieces:1
Class:LL3.15
Weathering grade:W4
Fayalite (mol%):14.7±8.4 (n=40)
Ferrosilite (mol%):11.4±8.2 (n=12)
Wollastonite (mol%):1.0±0.6
Magnetic suscept.:3.12
Classifier:J. Gattacceca, C. Maurel, CEREGE
Type spec mass (g):21
Type spec location:CEREGE
Main mass:Jérémy Bassemon
Finder:anonymous
Comments:work name JB27; 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 29 Oct 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:
     Recommended::   (29° 13' 58"N, 9° 8' 46"W)

Statistics:
     This is 1 of 32 approved meteorites from South, Morocco
     This is 1 of 1904 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater)
Proximity search:
Find nearby meteorites: enter search radius (km):

Direct link to this page