Meteoritical Bulletin: Entry for Thiel Mountains 07009

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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: 109 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	EL6
Recommended:			EL6 [explanation]

This is 1 of 133 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

Writeup

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 Fs_0.3Wo_1.5; 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 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

Proximity search:

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Revision
history:

This lists important revisions made to data for this record.

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