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Utting
Basic information Name: Utting
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2020
Country: United States
Mass:help 2.2 kg
Classification
  history:
Recommended:  H4    [explanation]

This is 1 of 6031 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 10 Oct 2020
Writeuphelp
Writeup from MB 109:

Utting        33°59.20’N, 114°0.10’W

Arizona, United States

Find: 2020 Jan 28

Classification: Ordinary chondrite (H4)

History: While searching for additional stones of the Bouse (L4-6) meteorite, a cluster of broken fragments was recovered by Robert Verish on January 28, 2020. Sample was taken from the 294 g specimen.

Physical characteristics: Many stones are dark-brown, angular fragments. Some stones have one or more sides which appear to be a thick, desert-varnished patina, which is indistinguishable from a relict fusion-crust. A cut surface reveals an interior with small, matrix-supported chondrules of various colors.

Petrography: (D. Sheikh, FSU) Chondrules moderately abundant (500±50 µm). Sample composed of olivine, low-Ca pyroxene, troilite, Fe-Ni metal, and Fe-oxides.

Geochemistry: Olivine (Fa17.8±0.2, n=16), low-Ca Pyroxene (Fs16.1±0.4Wo1.2±0.2, n=25).

Classification: Ordinary Chondrite (H4)

Specimens: 27.2 grams at UCLA; main mass with Verish.

Data from:
  MB109
  Table 0
  Line 0:
State/Prov/County:Arizona
Date:2020 Jan 28
Latitude:33°59.20'N
Longitude:114°0.10'W
Mass (g):2200
Pieces:many
Class:H4
Shock stage:S2
Weathering grade:W4
Fayalite (mol%):17.8±0.2
Ferrosilite (mol%):16.1±0.4
Wollastonite (mol%):1.2±0.2
Classifier:D. Sheikh, FSU
Type spec mass (g):27.2
Type spec location:UCLA
Main mass:Verish
Finder:Robert Verish
Comments:Fieldname = USA200128; submitted by Daniel Sheikh; submitted by Daniel Sheikh
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)
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography:

United States
Coordinates:
     Recommended::   (33° 59' 12"N, 114° 0' 6"W)

Statistics:
     This is 1 of 175 approved meteorites from Arizona, United States (plus 1 impact crater)
     This is 1 of 1881 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters)
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