Meteoritical Bulletin: Entry for Troy Dry Lake

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Troy Dry Lake

Basic information

Name: Troy Dry Lake
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: United States
Mass: 16.3 g

Classification
history:

Meteoritical Bulletin:	MB 107	(2018)	L6
Recommended:			L6 [explanation]

This is 1 of 12331 approved meteorites (plus 8 unapproved names) classified as L6. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 20 Oct 2018

Writeup

Writeup from MB 107:

Troy Dry Lake 34°48.53’N, 116°33.05’W

California, United States

Find: 2017 Apr 7

Classification: Ordinary chondrite (L6)

History: A single 16.3 g stone was found by Mark Bittmann on April 7, 2017, while he was searching for meteorites on a dry lake. Subsequent searches resulted in no additional fragments or other meteorites.

Physical characteristics: Dark-brown, flat shield-shaped fragment with moderately rounded edges, and patches of relict fusion-crust that have developed a desert-polished patina.

Petrography: (D. Sheikh, FSU) Chondrule boundaries blurred. Recrystallized coarse-grained matrix with plagioclase (60um). Interconnected shock melt veins.

Geochemistry: Olivine, Fa_24.7±0.2(N=26); orthopyroxene, Fs_22.3±0.2Wo_2.7±0.2(N=25).

Classification: Ordinary Chondrite (L6)

Specimens: 3.5 grams at UCLA; main mass with Verish.

Data from:
  MB107
  Table 0
  Line 0:

State/Prov/County:	California
Origin or pseudonym:	On the margin of a mud-flat
Date:	2017 Apr 7
Latitude:	34°48.53'N
Longitude:	116°33.05'W
Mass (g):	16.3
Pieces:	1
Class:	L6
Shock stage:	S4
Weathering grade:	W2
Fayalite (mol%):	24.7±0.2 (N=26)
Ferrosilite (mol%):	22.3±0.2 (N=25)
Wollastonite (mol%):	2.7±0.2
Classifier:	D. Sheikh, FSU
Type spec mass (g):	3.5
Type spec location:	UCLA
Main mass:	Verish
Finder:	Mark Bittmann
Comments:	Submitted by Daniel Sheikh

Institutions
and collections

UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Verish: Robert Verish, Meteorite-Recovery Lab, P.O. Box 463084, Escondido, CA 92046, United States; Website (private address; updated 27 May 2009)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Michael Mulgrew

Geography:

United States

Coordinates:
Recommended::	(34° 48' 32"N, 116° 33' 3"W)

Statistics:
This is 1 of 269 approved meteorites from California, United States (plus 24 unapproved names)
This is 1 of 1894 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters)

Proximity search:

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