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Hinkley
Basic information Name: Hinkley
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2021
Country: United States
Mass:help 12.6 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  H4
Recommended:  H4    [explanation]

This is 1 of 6474 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 29 May 2021
Writeuphelp
Writeup from MB 110:

Hinkley        34°59.12’N, 117°7.98’W

California, United States

Find: 2021 Feb 12

Classification: Ordinary chondrite (H4)

History: On February 12, 2021, while searching for meteorites, Robert Verish found in gravel (between two blow-outs) a weathered, granular fragment of a stony meteorite.

Physical characteristics: Initially considered to be a porous basalt because of a lack of a fusion-crust and a grayish-black groundmass that was sparkly. Recognized as a possible meteorite due to a solitary white chondrule, standing-out in high-relief, along the edge.

Petrography: (D. Sheikh, FSU) Specimen is a chondrite containing chondrules (~500±100 µm), Fe-Ni metal, Fe-oxides, and chlorapatite.

Geochemistry: Olivine (Fa19.0±0.4, range Fa18.2-19.4, n=10), Low-Ca Pyroxene (Fs17.0±0.6 Wo1.6±0.1, range Fs16.2-19.3 Wo1.0-1.8, n=24).

Classification: Ordinary chondrite (H4).

Specimens: 3.2 grams at UCLA; main mass with Verish.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:California
Origin or pseudonym:Blow-out
Date:2021 Feb 12
Latitude:34°59.12'N
Longitude:117°7.98'W
Mass (g):12.6
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W4
Fayalite (mol%):19.0±0.4
Ferrosilite (mol%):17.0±0.6
Wollastonite (mol%):1.6±0.1
Classifier:D. Sheikh, FSU
Type spec mass (g):3.2
Type spec location:UCLA
Main mass:Verish
Finder:Robert Verish
Comments:Field ID = USA210212 ; Lab ID = V-H-21; 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Photos:
CreditPhotos
Public domain photographs:
Daniel Sheikh                        
Geography:

United States
Coordinates:
     Recommended::   (34° 59' 7"N, 117° 7' 59"W)

Statistics:
     This is 1 of 269 approved meteorites from California, United States (plus 24 unapproved names)
     This is 1 of 1924 approved meteorites from United States (plus 867 unapproved names) (plus 28 impact craters)
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