Meteoritical Bulletin: Entry for Last Stand Lake 007

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Last Stand Lake 007

Basic information

Name: Last Stand Lake 007
This is an OFFICIAL meteorite name.
Abbreviation: LSL 007
Observed fall: No
Year found: 2011
Country: United States
Mass: 35.3 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	H4
Recommended:			H4 [explanation]

This is 1 of 6493 approved meteorites (plus 2 unapproved names) classified as H4. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 20 Feb 2014

Writeup

Writeup from MB 103:

Last Stand Lake 007 (LSL 007) 37°58.0758’N, 116°01.967’W

Nye County, Nevada, United States

Found: 25 Jun 2011

Classification: Ordinary chondrite (H4)

History: Meteorite was spotted by Bryan Couch by eye at about 3 m distance while meteorite hunting at Last Stand Lake (dry) with a small group of hunters.

Physical characteristics: 36 × 13 × 13 mm fragment with a dark brown appearance, slightly oriented with rollover, no apparent fractures. Exhibits both primary and secondary crust.

Petrography: (A. Rubin, UCLA) The rock contains some low-Ca pyroxene grains in chondrules with polysynthetic twins indicating it is type-4.

Geochemistry: Olivine Fa_17.6±0.3, n=10; low Ca-pyroxene Fs_15.7Wo_1.7, n=10.

Specimens: Type specimen, 2 thin sections and polished mount on deposit, UCLA

Data from:
  MB103
  Table 0
  Line 0:

State/Prov/County:	Nevada
Origin or pseudonym:	Dry Lake
Date:	11 Nov 2011
Latitude:	37°58.0758'N
Longitude:	116°01.967'W
Mass (g):	35.3
Pieces:	1
Class:	H4
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	17.6±0.3 (n=10)
Ferrosilite (mol%):	15.7 (n=10)
Wollastonite (mol%):	1.7
Classifier:	A. Rubin, UCLA
Type spec mass (g):	7.7
Type spec location:	UCLA
Main mass:	Bryan Couch
Finder:	Bryan Couch
Comments:	Field name BC-7; submitted by Jim Wooddell

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)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full

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Photos:

Credit	Photos
Public domain photographs:
Bryan Couch
Jim Wooddell

Geography:

United States

Coordinates:
Recommended::	(37° 58' 5"N, 116° 1' 58"W)

Statistics:
This is 1 of 184 approved meteorites from Nevada, United States (plus 4 unapproved names)
This is 1 of 1927 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters)

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Revision
history:

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