header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 14 Oct 2020
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:  
Tichit 001
Basic information Name: Tichit 001
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2014
Country: Mauritania
Mass:help 68 kg
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  H5
Recommended:  H5    [explanation]

This is 1 of 10071 approved meteorites (plus 18 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 4 Sep 2017
Writeuphelp
Writeup from MB 106:

Tichit 001        18°26.258’N, 10°20.587’W

Tagant, Mauritania

Find: 12 May 2014

Classification: Ordinary chondrite (H5)

History: A main mass of 66 kg plus less than 2 kg of small fragments was collected from a suspected impact pit.

Physical characteristics: The cuboid main mass shows elongated regmaglypts with remnant fusion crust on two sides. The other sides represent fractured surfaces coated with a dark brown desert patina.

Petrography: (B. Hofmann, NMBE): Homogeneous chondritic texture. Mean size of plagioclase grains is 5-10 μm. Metallic iron is partly weathered (~40%).

Geochemistry: (Å. Rosén, Bern and B. Hofmann, NMBE) Olivine compositions (N=19) are Fa17.6±1.4 (Fa17.1 by XRD), pyroxene compositions (n=10) are Fs15.7±1.1Wo1.0±0.2.

Classification: Ordinary chondrite (H5), shock stage S2, low weathering (W2).

Specimens: 36.1 g plus polished thin section at NMBE, 240.0 g with Svend Buhl, main mass: Cheikhalhoussein Toueirjenne.

Data from:
  MB106
  Table 0
  Line 0:
State/Prov/County:Tagant
Origin or pseudonym:desert plain
Date:12 May 2014
Latitude:18°26.258'N
Longitude:10°20.587'W
Mass (g):~68000
Pieces:many
Class:H5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):17.6±1.4 (N=19)
Ferrosilite (mol%):15.7±1.1 (N=10)
Wollastonite (mol%):1.0±0.2 (N=10)
Classifier:B. Hofmann, NMBE, Å Rosén, NMBE
Type spec mass (g):36.1
Type spec location:NMBE
Main mass:Cheikhalhoussein Toueirjenne
Finder:Eli ould Sweilem
Comments:Submitted by Beda Hofmann
Institutions
   and collections
NMBE: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
Bern: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Mauritania
Coordinates:
     Recommended::   (18° 26' 15"N, 10° 20' 35"W)

Statistics:
     This is 1 of 2 approved meteorites from Tagant, Mauritania
     This is 1 of 127 approved meteorites from Mauritania (plus 1 unapproved name) (plus 2 impact craters)
Proximity search:
Find nearby meteorites: enter search radius (km):

Direct link to this page