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Mount Yirtkuq Bulak 005
Basic information Name: Mount Yirtkuq Bulak 005
     This is an OFFICIAL meteorite name.
Abbreviation: MYB 005
Observed fall: No
Year found: 2021
Country: China
Mass:help 6.33 kg
Classification
  history:
Recommended:  H6-melt breccia    [explanation]

This is 1 of 13 approved meteorites classified as H6-melt breccia.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 5 Dec 2021
Writeuphelp
Writeup from MB 110:

Mount Yirtkuq Bulak 005 (MYB 005)        41°49’47.69"N, 90°26’10.14"E

Xinjiang, China

Find: 2021 Sep 10

Classification: Ordinary chondrite (H6, melt breccia)

History: (Ziyao Wang) Discovered by Aikeranmu Jiapaer in the desert near Xiao’er Bulake, Shanshan, on Sept. 10, 2021. He sold the meteorites to Ziyao Wang.

Physical characteristics: (Ziyao Wang and R. Bartoschewitz) Many brownish-yellow stones weighing between 560 g to below 10 g, total weight 6330 g. The surface shows heavy fractures that are filled with carbonates and quartz grains.

Petrography: (R. Bartoschewitz, Bart) The specimen consists of a brown stained chondrite clast beside a much finer grained dark-gray melt rock. The chondrite presents a strong recrystallized matrix with indistinct chondrules and metal and sulfide as small aggregates and melt veins.

Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine Fa18.2±0.3 (n=12); pyroxene Fs16.7±0.6Wo1.2±0.2 (n=8); feldspar An14±1Or6±2 (n=3); chromite CRAL 85, FFM 72 (n=2). Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 5.02

Classification: Ordinary chondrite (H6-melt breccia, W2)

Specimens: 20.9 g on deposit at Kiel, main mass with Ziyao Wang, and 117 g polished mount with Bart.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Xinjiang
Origin or pseudonym:desert
Date:2021 Sep 10
Latitude:41°49'47.69"N
Longitude:90°26'10.14"E
Mass (g):6330
Pieces:many
Class:H6-melt breccia
Weathering grade:W2
Fayalite (mol%):18.2±0.3 (n=12)
Ferrosilite (mol%):16.7±0.6 (n=8)
Wollastonite (mol%):1.2±0.2
Magnetic suscept.:5.02
Classifier:R. Bartoschewitz
Type spec mass (g):20.9
Type spec location:Kiel
Main mass:Ziyao Wang
Finder:Aikeranmu Jiapaer (Aili)
Comments:working name WZ190; submitted by R. Bartoschewitz
Institutions
   and collections
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

China
Coordinates:
     Recommended::   (41° 49' 48"N, 90° 26' 10"E)

Statistics:
     This is 1 of 290 approved meteorites from Xinjiang, China (plus 4 unapproved names)
     This is 1 of 450 approved meteorites from China (plus 9 unapproved names) (plus 1 impact crater)
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