header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 21 Jan 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:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 13665
Basic information Name: Northwest Africa 13665
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13665
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 70 g
Classification
  history:
Recommended:  H4    [explanation]

This is 1 of 6313 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 10 Jan 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13665 (NWA 13665)

(Northwest Africa)

Find: 2019

Classification: Ordinary chondrite (H4)

History: Purchased in June, 2020 by Shun-Chung Yang and Juan Chen from Robert Cucchiara.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Specimen is a chondrite containing chondrules (~420±50 µm), chromite, and troilite.

Geochemistry: Olivine (Fa17.5±0.3, range Fa16.9-17.9, n=23), Low-Ca Pyroxene (Fs15.7±0.6Wo1.0±0.4, range Fs14.0-16.7Wo0.5-1.8, n=28).

Classification: Ordinary Chondrite (H4)

Specimens: 16.2 g at UCLA; main mass with Shun-Chung Yang.

Data from:
  MB110
  Table 0
  Line 0:
Date:2019
Mass (g):70
Pieces:1
Class:H4
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):17.5±0.3
Ferrosilite (mol%):15.7±0.6
Wollastonite (mol%):1.0±0.4
Classifier:D. Sheikh, FSU
Type spec mass (g):16.2
Type spec location:UCLA
Main mass:Shun-Chung Yang and Juan Chen
Comments:Submitted by Daniel Sheikh
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8138 approved meteorites from (Northwest Africa) (plus 1941 unapproved names)

Direct link to this page