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Chug Chug 106
Basic information Name: Chug Chug 106
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2019
Country: Chile
Mass:help 333 g
Classification
  history:
Recommended:  H5    [explanation]

This is 1 of 10803 approved meteorites (plus 19 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 18 Sep 2021
Writeuphelp
Writeup from MB 110:

Chug Chug 106        22°29.175’S, 69°10.864’W

Antofagasta, Chile

Find: 24 Oct 2019

Classification: Ordinary chondrite (H5)

History: The meteorite was found in autumn 2019 by Atali Agakhanov during a meteorite-search expedition organized by Timur Kryachko.

Physical characteristics: Total mass is about 333 g. The interior of the meteorite is rusty brown whereas the surface is brown to light brown with visible metal.

Petrography: (Kseniya A. Konovalova, FMMR). Petrographic observation of a polished section shows that meteorite consist of inhomogeneous matrix and well-formed chondrules. Chondrules size vary from 400 to 600 μm. PO chondrules include plagioclase grains with sizes up to 50µm. These features indicate a petrological type of 5 for the meteorite. Metal blebs and troilite are partially surrounding by hydroxides and its veins (weathering grade is W1). Olivine has undulatory extinction, indicating a shock stage of S2.

Geochemistry: Mineral composition and Geochemistry: EDS analyses (Atali Agakhanov, Kseniya Konovalova, FMMR). The primary chondrite paragenesis includes olivine 19.52±0.43 (N=19), Low-Ca pyroxene Fs17.6±0.4Wo1.48±0.28 (N=21), plagioclase Ab78.27An14.19Or6.13 (N=6). Composition of kamacite (in wt. %): Fe - 94.01, Ni - 6.44, Co - 0.77, taenite (in wt., %) : Fe - 69.68, Ni - 30.68, Co - 0.37

Classification: (Kseniya A. Konovalova, FMMR). Ordinary chondrite. H5, S2, W1.

Specimens: Atali A. Agakhanov holds main mass about 0.3 kg. Thin section and 21.62 g, FMMR.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Origin or pseudonym:plain
Date:24 Oct 2019
Latitude:22°29.175’S
Longitude:69°10.864’W
Mass (g):333
Pieces:1
Class:H5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):19.52±0.43 (N=19)
Ferrosilite (mol%):17.6±0.4 (N=21)
Wollastonite (mol%):1.48±0.28 (N=21)
Classifier:Kseniya A. Konovalova, FMMR
Type spec mass (g):21.62
Type spec location:FMMR
Main mass:Atali Agakhanov
Finder:Atali Agakhanov
Comments:Field name is MA020; submitted by Kseniya A. Konovalova, spacelikeyou@yandex.ru
Institutions
   and collections
FMMR: Fersman Mineralogical Museum, Leninskiy prospekt 18 korpus 2, Moscow, Russia, 119071, Russia; Website (institutional address; updated 24 Feb 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
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Photos:
CreditPhotos
Public domain photographs:
Kseniya Konovalova   
Geography:

Chile
Coordinates:
     Recommended::   (22° 29' 11"S, 69° 10' 52"W)

Statistics:
     This is 1 of 2160 approved meteorites from Antofagasta, Chile (plus 6 unapproved names) (plus 1 impact crater)
     This is 1 of 2189 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)
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