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Aubrey Hills
Basic information Name: Aubrey Hills
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2010
Country: United States
Mass:help 561 g
Meteoritical Bulletin:  MB 101  (2012)  H6
Recommended:  H6    [explanation]

This is 1 of 6545 approved meteorites (plus 5 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 19 Nov 2012
Writeup from MB 101:

Aubrey Hills        34°22.838’N, 114°10.023’W

Mohave County, Arizona, United States

Found: 23 Sept 2010

Classification: Ordinary chondrite (H6)

History: The meteorite was found by Myke Steighler while hunting for meteorites on alluvial flats southwest of Standard Wash, Lake Havasu City, Arizona. The meteorite was observed amongst desert-varnished stones.

Physical characteristics: Single, smooth, 560.8 g trapezoidal stone, remant fusion crusted. Interior shows two distinct zones: upper 3/4 is light-colored and shows minor weathering (W1), and bottom quarter (presumably embedded in the ground), heavily weathered (W4). Junction between fresh and weathered portions is sharp.

Petrography: (L. Garvie, ASU): The unweathered part is largely recrystallied, vuggy, with a few recognizable chondrules including BO, PP, and RP (mostly <1 mm). The studied section contains one large, 2.5 mm, barred-olivine chondrule, with the bars arranged in a pentagonal shape. The matrix minerals protruding into the vugs are often euhedral. Plagioclase and chromite abundant, to 300 μm. Kamacite (<1 mm) common, with rare plessite grains (<50 μm). Troilite grains untwinned and single crystal. Minor Cl-phosphate grains to 250 μm. Olivines show sharp optical extinction.

Geochemistry: Olivine Fa18.9±0.3 (range Fa18.4-19.4, n=12), FeO/MnO=39.9±2.7. Low Ca pyroxene Fs16.6±0.1Wo1.4±0.1, n=6. Augite Fs6.2-6.3Wo45.3, n=2. Feldspar An12.6Or5.0, n=1.

Classification: Ordinary chondrite (H6)

Specimens: 26.03 g, one polished section and probe mount at ASU. Main mass held by Myke Steighler of Lake Havasu City, AZ.

Data from:
  Table 0
  Line 0:
Date:23 Sept 2010
Mass (g):560.8
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):18.9±0.3
Ferrosilite (mol%):16.6±0.1
Wollastonite (mol%):1.4±0.1
Classifier:L. Garvie, ASU
Type spec mass (g):26.03
Type spec location:ASU
Main mass:finder
Finder:Myke Steighler
Comments:Submitted by Laurence Garvie
   and collections
ASU: Center for Meteorite Studies, Arizona State University, Tempe, Arizona 85287-1404, United States; Website (institutional address; updated 14 Jan 2012)
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
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Public domain photographs:
Myke Steighler   

United States
     Recommended::   (34° 22' 50"N, 114° 10' 1"W)

     This is 1 of 178 approved meteorites from Arizona, United States (plus 1 impact crater)
     This is 1 of 1894 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters)
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