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Bonnie Claire 003
Basic information Name: Bonnie Claire 003
     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 60.4 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 621 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 7 Jan 2023
Writeuphelp
Writeup from MB 112:

Bonnie Claire 003        37.229°N, 117.025°W

Nevada, United States

Find: 2020 Apr 3

Classification: Carbonaceous chondrite (CO3)

History: Found by Sonny Clary on Sarcobatus Flat, southern Nevada, on April 3, 2020.

Physical characteristics: A small (60.4 g) rounded black stone lacking fusion crust. The fresh interior revealed by cutting exhibits numerous fairly closely-packed, very small light colored chondrules and tiny metal grains.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Abundant well-formed, unequilibrated chondrules (apparent diameter 180±110 µm, N = 25), zoned olivine fragments, small AOA and sparse small, very fine grained CAI are set in a sparse fine grained matrix (~15 vol.%, reddish-brown in thin section) containing kamacite, taenite, troilite, pentlandite and Ti-free chromite. Some chondrules contain glass, whereas other chondrules contain plagioclase and nepheline (which has been observed in chondrules in other CO3 chondrites by Tomeoka and Itoh, 2005).

Geochemistry: Olivine (Fa24.6±24.1, range Fa1.3-64.9, N = 7; Cr2O3 in ferroan olivine 0.04-0.25 wt.%, mean 0.12±0.09 wt.%, N = 5), low-Ca pyroxene (Fs2.2±1.7Wo2.5±1.9, range Fs1.0-3.4Wo1.1-3.8, N = 2), diopside (Fs0.9Wo39.9), augite (Fs26.3Wo42.6), plagioclase (An27.6Or0.7; An78.3Or0.4; N = 2).

Classification: Carbonaceous chondrite (CO3, nepheline-bearing).

Specimens: 13.8 g including one polished thin section at UWB; remainder with Mr. R. Clary.

Bibliography:
  • Tomeoka K. and Itoh D. (2005) Nepheline Formation in Chondrules in CO3 Chondrites: Relationship to Parent-Body Processes. Meteoritics & Planetary Science, 40 Supplement p.5080 (abstract) (link)
Data from:
  MB112
  Table 0
  Line 0:
State/Prov/County:Nevada
Date:2020 Apr 3
Latitude:37.229°N
Longitude:117.025°W
Mass (g):60.4
Pieces:1
Class:CO3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):24.6±24.1
Ferrosilite (mol%):2.2±1.7
Wollastonite (mol%):2.5±1.9
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):13.8
Type spec location:UWB
Main mass:R. Clary
Finder:R. Clary
Comments:Work name SC22-5; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Clary: Ralph "Sonny" Clary, Las Vegas, NV 89131 , United States; Website (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2023)
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Geography:

United States
Coordinates:
     Recommended::   (37° 13' 44"N, 117° 1' 30"W)

Statistics:
     This is 1 of 158 approved meteorites from Nevada, United States (plus 4 unapproved names)
     This is 1 of 1893 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters)
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