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Tungsten Mountain 116
Basic information Name: Tungsten Mountain 116
     This is an OFFICIAL meteorite name.
Abbreviation: TM 116
Observed fall: No
Year found: 2001
Country: United States
Mass:help 7 g
Meteoritical Bulletin:  MB 109  (2020)  H5
Recommended:  H5    [explanation]

This is 1 of 11566 approved meteorites (plus 23 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 7 Jul 2020
Writeup from MB 109:

Tungsten Mountain 116 (TM 116)        39°41.2358’N, 117°37.3940’W

Nevada, United States

Find: 5 Aug 2001

Classification: Ordinary chondrite (H5)

History: While conducting meteorite recovery on a dry-lake in Edwards Creek Valley, Robert Verish found this stone fragment on 2001-08-05

Physical characteristics: One 7 g stony fragment, angular with an irregular shape (25 × 20 × 15 mm) having dark-brown, hackly exterior with a black patina, and small patches of relict fusion crust. Saw-cut reveals light-brown interior with many metal-grains and visible chondrules. Basically, a typical-looking fragment of a H-chondrite from this this dry-lake in Edwards Creek Valley.

Petrography: (D. Sheikh, FSU) Low chondrule abundance (700-1200 µm, n=3). Sample is composed of olivine, low-ca pyroxene, recrystallized plagioclase (average size 9±2 µm), troilite, Fe-Ni metal, Fe-oxides, and chromite.

Geochemistry: Olivine (Fa18.8±0.5, n=13), Low-Ca Pyroxene (Fs16.6±0.6Wo1.2±0.1, n=12).

Classification: Ordinary Chondrite (H5)

Specimens: 5.3 g at UCLA; main mass with Verish.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:drylake
Date:5 Aug 2001
Mass (g):7
Shock stage:S3
Weathering grade:W4
Fayalite (mol%):18.8±0.5 (N=13)
Ferrosilite (mol%):16.6±0.6 (N=12)
Wollastonite (mol%):1.2±0.1 (N=12)
Classifier:D. Sheikh, FSU
Type spec mass (g):5.3
Type spec location:UCLA
Main mass:Verish
Finder:Robert Verish
Comments:Fieldname = ECVB11; lab ID# = V-B11; abbr. = TM 116; submitted by Daniel Sheikh
   and collections
TM: Geoscience Museum, Transvaal Museum, P. O. Box 413, Pretoria 0001, South Africa (institutional address; updated 3 Mar 2011)
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Verish: Robert Verish, Meteorite-Recovery Lab, P.O. Box 463084, Escondido, CA 92046, United States; Website (private address; updated 27 May 2009)
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Public domain photographs:
Daniel Sheikh      

United States
     Recommended::   (39° 41' 14"N, 117° 37' 24"W)

     This is 1 of 184 approved meteorites from Nevada, United States (plus 4 unapproved names)
     This is 1 of 1927 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)
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