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Thiel Mountains 07009
Basic information Name: Thiel Mountains 07009
     This is an OFFICIAL meteorite name.
Abbreviation: TIL 07009
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by Korean Expedition for Antarctic Meteorites (KOREAMET)]
Mass:help 109 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  EL6
Recommended:  EL6    [explanation]

This is 1 of 116 approved meteorites classified as EL6.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Comments: Approved 23 Jul 2016
Writeuphelp
Writeup from MB 105:

Thiel Mountains 07009 (TIL 07009)        85º9.98’S, 94º33.54’W

Antarctica, Antarctica

Find: 24 Dec 2007

Classification: Enstatite chondrite (EL6)

Petrography: The meteorite consists largely of pyroxene (nearly enstatite) with minor amounts of Fe-Ni metal and sulfides and lesser amount of plagioclase. Chondrules are not discernible.

Geochemistry: Pyroxene composition is Fs0.3Wo1.5; Si abundance in Fe-Ni metal is 0.8±0.1 wt%; ferroan alabandite (FeO = 16.1±1.3 wt%). O-isotope composition: δ17O=2.21‰, δ18O=4.21‰, Δ17O=0.00‰, where Δ17O=δ17O-0.5248*δ18O, measured at KOPRI.

Data from:
  MB105
  Table 0
  Line 0:
State/Prov/County:Antarctica
Origin or pseudonym:Moulton Escarpment
Date:24 Dec 2007
Latitude:85º9.98'S
Longitude:94º33.54'W
Mass (g):109
Pieces:1
Class:EL6
Shock stage:S2
Weathering grade:W5
Ferrosilite (mol%):0.3±0.1
Wollastonite (mol%):1.5±0.1
Classifier:B.-G. Choi , Seoul-NU; A. E. Rubin, UCLA; C. Park, KOPRI
Type spec mass (g):23.49
Type spec location:Seoul-NU
Main mass:KOPRI
Comments:Submitted by B.-G. Choi
Plots: O isotopes:  
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)
Seoul-NU: Department of Earth Science Education, Room# 13-426, Seoul National University, Seoul, Korea, 151-748, South Korea (institutional address; updated 20 Dec 2014)
KOPRI: Korea Polar Research Institute, 26 Songdomirae-ro, Yeonsu-gu, Incheon, Korea, 406-840, South Korea; Website (institutional address; updated 20 Dec 2014)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography:

Antarctica
Coordinates:
     Recommended::   (85° 9' 59"S, 94° 33' 32"W)

Statistics:
     This is 1 of 239 approved meteorites from Antarctica, Antarctica
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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