header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 18 Jun 2019
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:  
Errachidia
Basic information Name: Errachidia
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2016
Country: Morocco
Mass:help 156 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 170 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 22 Jan 2018
Writeuphelp
Writeup from MB 107:

Errachidia        31°41.28102’N, 4°11.16582’W

Morocco

Find: April 2016

Classification: Lunar meteorite (feldspathic breccia)

History: One piece of 156 g was found April 2016 about 0.5 km west of Aoufous in Morocco.

Petrography: (A.-K. Kraemer and A. Bischoff, IfP) Breccia composed of angular anorthite-rich lithic and mineral fragments embedded in a fine-grained clastic matrix. The sample also contains melt spherules and some glassy areas. Observed minerals include anorthite, olivine, low-Ca pyroxene, Ca-rich pyroxene, Al-Ti-chromite, kamacite, taenit, ilmenite and troilite.

Geochemistry: Mineral compositon and geochemistry: Olivine (mean: Fa32.6, Fe/Mn = 96; N = 43), low-Ca pyroxene (mean Fs29.5Wo7.9, Fe/Mn = 59, N = 40), Ca-rich pyroxene (mean: Fs15.8Wo41.4; Fe/Mn = 49; N = 11), anorthite (mean An95.9Or0.1, N = 56).

Data from:
  MB107
  Table 0
  Line 0:
Origin or pseudonym:Desert
Date:April 2016
Latitude:31°41.28102'N
Longitude:4°11.16582’W
Mass (g):156
Pieces:1
Class:Lunar (feldsp. breccia)
Shock stage:moderate
Weathering grade:low
Fayalite (mol%):32.6 (9.8-90.1, n=43 )
Ferrosilite (mol%):29.5 (15.6-50.3, n=40)
Wollastonite (mol%):7.9 (1.7-24.8, n=40)
Classifier:A.-K. Kraemer and A. Bischoff, IfP
Type spec mass (g):23.5
Type spec location:IfP
Main mass:Finder
Finder:anonymous
Comments:Work name: “Aoufous”; submitted by Ebert Samuel
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. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:
     Recommended::   (31° 41' 17"N, 4° 11' 10"W)

Statistics:
     This is 1 of 1370 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)
Proximity search:
Find nearby meteorites: enter search radius (km):
Synonymshelp: Errachidia 001 (First meteorite in DCA)

Direct link to this page