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Willcox Playa 012
Basic information Name: Willcox Playa 012
     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 17.8 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2024)  H5
Recommended:  H5    [explanation]

This is 1 of 11988 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 3 Jan 2024
Writeuphelp
Writeup from MB 112:

Willcox Playa 012        32° 9.0167’ N, 109° 48.3167’ W

Arizona, United States

Find: 2020 Oct 29

Classification: Ordinary chondrite (H5)

History: Found by Eric Rasmussen on 29 Oct 2020 in Willcox Playa while out looking for meteorites.

Physical characteristics: Three pieces broken from a single stone containing a weathered fusion crust exterior.

Petrography: (D. Sheikh, Cascadia) Equilibrated ordinary chondrite containing secondary recrystallized feldspar (~20 μm) and accessory Fe-Ni metal and troilite.

Geochemistry: Olivine (Fa19.1±0.2, range Fa18.6-19.6, n=35); Low-Ca Pyroxene (Fs17.0±0.3Wo1.3±0.2, range Fs16.5-17.5Wo1.0-1.7, n=17).

Classification: Ordinary chondrite (H5).

Specimens: 3.65 g type specimen at Cascadia, main mass with Eric Rasmussen.

Data from:
  MB112
  Table 0
  Line 0:
State/Prov/County:Arizona
Origin or pseudonym:Wilcox Playa
Date:2020 Oct 29
Latitude:32° 9.0167' N
Longitude:109° 48.3167' W
Mass (g):17.75
Pieces:3
Class:H5
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):19.1±0.2
Ferrosilite (mol%):17.0±0.3
Wollastonite (mol%):1.3±0.2
Classifier:D. Sheikh, Cascadia
Type spec mass (g):3.65
Type spec location:Cascadia
Main mass:Eric Rasmussen
Comments:CML 1640; submitted by Daniel Sheikh
Institutions
   and collections
Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Cartier C., Consolmagno G., Goodrich C., Greshake A., Gross J., Joy K. H., Miao B. and Zhang B. (2024) The Meteoritical Bulletin, no. 112. Meteoritics & Planetary Science 59, 1820–1823. ?
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Geography:

United States
Coordinates:
     Recommended::   (32° 9' 1"N, 109° 48' 19"W)

Statistics:
     This is 1 of 180 approved meteorites from Arizona, United States (plus 1 impact crater)
     This is 1 of 1930 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)
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