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La Ciénega
Basic information Name: La Ciénega
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2007
Country: Mexico
Mass:help 7.63 kg
Classification
  history:
Meteoritical Bulletin:  MB 98  (2010)  H6
Recommended:  H6    [explanation]

This is 1 of 7130 approved meteorites (plus 6 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 1 Feb 2010
Writeuphelp
Writeup from MB online:

La Ciénega        30°12’06.70N, 111°56’09.14W

Sonora, Mexico

Found: 2007 June

Classification: H6

History: In 2007, Greg Bruce found a meteorite while prospecting for gold nuggets. The stone was partially buried in a dry wash near the abandoned mining community of La Ciénega in Sonora, Mexico. A thorough search with metal detectors of the surrounding area produced a second complete stone and six fragments.

Physical characteristics: The main mass is a regmaglypted stone with remnant fusion crust and a broken edge, weighing 6644 grams. The second stone weighd 490.6 g, and the remaining fragments total 497.8 g, for a total mass of 7632 g.

Data from:
  MB98
  Table 1
  Line 19:
State/Prov/County:Sonora
Origin or pseudonym:Wash
Date:2007 June
Latitude:30°12'06.70N
Longitude:111°56'09.14W
Mass (g):7632
Pieces:8
Class:H6
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):18.6
Ferrosilite (mol%):16.5
Wollastonite (mol%):1.5
Classifier:Jeff Grossman, USGS
Type spec mass (g):31
Type spec location:SI
Main mass:G. Notkin
Finder:G. Bruce
Comments:Submitted by Jeff Grossman
Institutions
   and collections
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)
USGS: US Geological Survey, 954 National Center, Reston, VA 20192, United States (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 98, MAPS 45, 1530-1551 (2010)
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Geography:

Mexico
Coordinates:
     Recommended::   (30° 12' 7"N, 111° 56' 9"W)

Statistics:
     This is 1 of 10 approved meteorites from Sonora, Mexico
     This is 1 of 113 approved meteorites from Mexico (plus 5 unapproved names) (plus 1 impact crater)
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