Meteoritical Bulletin: Entry for Hammadah al Hamra 345

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Hammadah al Hamra 345

Basic information

Name: Hammadah al Hamra 345
This is an OFFICIAL meteorite name.
Abbreviation: HaH 345
Observed fall: No
Year found: 2016
Country: Libya
Mass: 1590 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	H3-6
Recommended:			H3-6 [explanation]

This is 1 of 80 approved meteorites classified as H3-6. [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 9 Mar 2017

Writeup

Writeup from MB 106:

Hammadah al Hamra 345 (HaH 345) 29°48.440’N, 12°55.242’E

Gharyan, Libya

Find: 2 Oct 2016

Classification: Ordinary chondrite (H3-6)

History: The meteorite was found in 2016 during a field trip in the Libyan desert.

Petrography: The brownish meteorite is a chondritic breccia composed of H3 to H6 clasts set into a fine-grained clastic matrix. Plagioclase grain size in H6 clasts is about 60 µm.

Geochemistry: olivine in type 6: Fa_18.7±0.3, n=10; olivine in type 3: Fa_11.1±9.0(Fa_0.6-22.6, n=16); pyroxene in type 6: Fs_16.9±0.1Wo_1.2±0.2, n=10; pyroxene in type 3: Fs_10.9±7.0Wo_0.8±0.5(Fs_1.8-23.3Wo_0.2-1.9, n=42)

Data from:
  MB106
  Table 0
  Line 0:

State/Prov/County:	Gharyan
Date:	2 Oct 2016
Latitude:	29°48.440'N
Longitude:	12°55.242'E
Mass (g):	1590
Pieces:	2
Class:	H3-6
Shock stage:	S1
Weathering grade:	W2
Fayalite (mol%):	18.7; 11.1
Ferrosilite (mol%):	16.9; 10.9
Wollastonite (mol%):	1.2; 0.8
Classifier:	A. Greshake, MNB
Type spec mass (g):	41.6
Type spec location:	MNB
Main mass:	Ahmed EL-Mallul
Finder:	Abolgsem and Abubaker EL-Mallul
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)

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.

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Geography:

Libya

Coordinates:
Recommended::	(29° 48' 26"N, 12° 55' 15"E)

Statistics:
This is 1 of 214 approved meteorites from Gharyan, Libya (plus 16 unapproved names)
This is 1 of 1553 approved meteorites from Libya (plus 24 unapproved names) (plus 2 impact craters)

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Revision
history:

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