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Red Dry Lake 067
Basic information Name: Red Dry Lake 067
     This is an OFFICIAL meteorite name.
Abbreviation: RdDL 067
Observed fall: No
Year found: 2009
Country: United States
Mass:help 6.2 g
Meteoritical Bulletin:  MB 99  (2011)  L3.4
Recommended:  L3.4    [explanation]

This is 1 of 52 approved meteorites classified as L3.4.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 4 Jan 2011
Writeup from MB 99:

Red Dry Lake 067 (RdDL 067)        35°39.521’N, 114°1.544’W

Mohave, AZ, USA

Found: 3 March 2009

Classification: Ordinary chondrite (L3.4)

History: A single, black, fusion-crusted stone was found by Paul Desilets on March 3, 2009, on Red Dry Lake, Arizona.

Physical characteristics: The 6.2-g stone displays dull, moderately weathered black fusion crust. Several large chondrules protrude from the stone. The interior of the stone is gray with minor iron-oxide staining.

Petrography: (Laurence Garvie, ASU) The section shows a close-packed aggregate of chondrules and chondrule fragments to 2.2 mm. The matrix is dark with minor metal and troilite, which is sometimes concentrated at chondrule rims. Chondrules are dominated by granular, PO, POP, poikilitic pyroxene, and PP, with subordinate amounts of RP and BO. In addition, the section contains two 500 μm well-developed, purple (in PP transmitted light) glass chondrules, several chondrules with bleached rims, and a 500 μm metal-sulfide chondrule.

Geochemistry: (Laurence Garvie, ASU) Microprobe analyses show olivine and pyroxene of variable compositions. Olivines Fa0.3-42.1, with a mean of 23.9 mol% (n=33). Cr2O3 shows a bimodal distribution with maxima at 0.02 and 0.08 wt%. Pyroxene Fs1.3-31.4 and Wo0.2-5.0. One PP chondrule contains small augite grains Fs20.95Wo30.05. Oxygen isotopes: (R. Tanaka and D. Rumble, Okayama University at Misasa), (mean of two replicates: δ17O = 3.77‰; δ18O = 5.48‰; Δ17O = 0.88‰).

Classification: Ordinary chondrite, L3.4

Specimens: ASU holds 2.281 g (in three pieces), two thin sections and one polished stub.

Data from:
  Table 0
  Line 0:
State/Prov/County:Mohave, AZ
Date:3 March 2009
Mass (g):6.2
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):23.9
Ferrosilite (mol%):1.3 - 31.4
Wollastonite (mol%):0.2 - 5.0
Classifier:Laurence Garvie
Type spec mass (g):2.281 g in four pieces
Type spec location:ASU
Main mass:ASU
Finder:Paul Desilets
Comments:The finder, Paul Desilets, holds 1.467 g.; submitted by Laurence Garvie
Plots: O isotopes:  
   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. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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United States
     Recommended::   (35° 39' 31"N, 114° 1' 33"W)

     This is 1 of 180 approved meteorites from Arizona, United States (plus 1 impact crater)
     This is 1 of 1929 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)
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