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Watson 016
Basic information Name: Watson 016
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2013
Country: Australia
Mass:help 38.2 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  L5
Recommended:  L5    [explanation]

This is 1 of 7126 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 18 Jul 2015
Writeuphelp
Writeup from MB 104:

Watson 016        30°29’18.50"S, 131°44’12.90"E

South Australia, Australia

Purchased: 2013 Apr 25

Classification: Ordinary chondrite (L5)

History: One stone found by A. Tomkins.

Physical characteristics: One stone found with 90% complete fusion crust.

Petrography: (A. Tait, Monash) Sample shows extensive recrystallization of the matrix, and mesostasis. Relict chondrules include: POP, RP, C, BO, PO. Olivine grains exhibit undulose extinction and shock lamellae. Large plagioclase crystals (~50 μm) show undulose extinction. Minor oxidation rims on some FeNi/troilite grains, with minor Fe oxide veins.

Geochemistry: (A. Tait, Monash) FEG-SEM analyses show that olivine and pyroxene are uniform in their composition: olivine Fa25.1-28.0, mean Fa25.8±0.8, n=11; Low-Ca pyroxene Fs20.9-21.7, mean Fs21.3±0.2 , n=9.

Classification: Ordinary chondrite (L5, S3, W1)

Specimens: Specimen and one thin section held by A. Tomkins.

Data from:
  MB104
  Table 0
  Line 0:
State/Prov/County:South Australia
Origin or pseudonym:Nullarbor Plain
Date:P 2013 Apr 25
Latitude:30°29'18.50"S
Longitude:131°44'12.90"E
Mass (g):38.2
Pieces:1
Class:L5
Shock stage:S3
Weathering grade:W1
Fayalite (mol%):25.8
Ferrosilite (mol%):21.3
Wollastonite (mol%):1.51
Classifier:A. Tait, Monash
Type spec mass (g):32.8
Type spec location:Monash
Main mass:Monash
Finder:A. Tomkins
Comments:Submitted by (A. Tait, A. Tomkins, A. Bowlt, S. Nutku, J. Savage)
Institutions
   and collections
Monash: Building 28 School of Geosciences Monash University Victoria 3800 Australia, Australia (institutional address; updated 12 Dec 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:

Australia
Coordinates:
     Recommended::   (30° 29' 18"S, 131° 44' 13"E)

Statistics:
     This is 1 of 238 approved meteorites from South Australia, Australia (plus 2 unapproved names) (plus 4 impact craters)
     This is 1 of 710 approved meteorites from Australia (plus 45 unapproved names) (plus 27 impact craters)
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