header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 13 Jul 2024
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 15860
Basic information Name: Northwest Africa 15860
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15860
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 195 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2024)  LL3
Recommended:  LL3    [explanation]

This is 1 of 494 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 10 Nov 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 15860 (NWA 15860)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (LL3)

History: Purchased in December 2018 by Chalom Malka from Hassan O. Agadir in Morocco.

Physical characteristics: Single stone with slightly weathered dark brown fusion crust.

Petrography: (D. Sheikh, Cascadia) Specimen is comprised of ~0.8 mm-sized chondrules (largest size ~2.7 mm, n=52) set within a mostly opaque, slightly fine-grained matrix containing accessory Fe-Ni metal and troilite.

Geochemistry: Olivine (Fa18.2±13.1, n=18), Low-Ca Pyroxene (Fs4.5±2.3Wo2.3±1.6, range Fs1.3-9.7Wo0.6-5.3, n=20).

Classification: Ordinary Chondrite (LL3)

Specimens: 21.1 g at Cascadia, main mass with Chalom Malka.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2018
Mass (g):195
Pieces:10
Class:LL3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):18.2±13.1 (n=18)
Ferrosilite (mol%):4.5±2.3
Wollastonite (mol%):2.3±1.6
Classifier:D. Sheikh, Cascadia
Type spec mass (g):21.1
Type spec location:Cascadia
Main mass:Chalom Malka
Comments:CML 1547; submitted by Daniel Sheikh
Institutions
   and collections
Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Cartier C., Consolmagno G., Goodrich C., Greshake A., Gross J., Joy K. H., Miao B. and Zhang B. (2024) The Meteoritical Bulletin, no. 112. Meteoritics & Planetary Science 59, 1820–1823. ?
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Public domain photographs:
Daniel Sheikh      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9790 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Direct link to this page