header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 19 Aug 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:  
Northwest Africa 6145
Basic information Name: Northwest Africa 6145
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6145
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 310 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  R5
Recommended:  R5    [explanation]

This is 1 of 38 approved meteorites classified as R5.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7)
Comments: Approved 27 Jul 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 6145 (NWA 6145)

(Northwest Africa)

Purchased: 2009 Nov

Classification: Rumuruti chondrite (R5)

History: Purchased from a Moroccan mineral dealer at the mineral show in Munich, Germany

Petrography: (K. Metzler, IfP) Equilibrated chondrite, consisting of chondrules and chondrule fragments set in a recrystallized matrix. Some shock veins are present. Chondrule sizes mostly between 300 and 500 µm, up to 1.5 mm.

Geochemistry: Mineral compositions and geochemistry: Mean olivine composition Fa39.0±0.3 (38.4-39.4); n=20. Mean low-Ca pyroxene composition Fs30.5±0.3 Wo1.2±0.1 (Fs30.1-30.9 Wo1.0-1.4); n=5. Mean Ca-pyroxene composition Fs11.6±0.3 Wo44.6±0.2 (Fs11.2-12.1 Wo44.2-44.9); n=10. Accessories are chromite, troilite and pentlandite; no metal was found.

Classification: R chondrite based on mineral chemistry. Petrologic type 5, based on equilibrated olivine and pyroxene and well-preserved chondrules.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2009 Nov
Mass (g):310
Pieces:1
Class:R5
Shock stage:S4
Weathering grade:W0
Classifier:K. Metzler, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:Mirko Graul, Bernau, Germany
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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Allmeteorite.com Photo added 19 Apr 2022
bphd Photo added 19 Apr 2022
Photo added 19 Apr 2022
Photo added 19 Apr 2022
Gerald Armstrong Photo added 19 Apr 2022
Gregor H.   
Mirko Graul Photo added 19 Apr 2022
Photo added 19 Apr 2022
Photo added 19 Apr 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8580 approved meteorites from (Northwest Africa) (plus 1884 unapproved names)

Direct link to this page