Meteoritical Bulletin: Entry for Aldama (b)

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Aldama (b)

Basic information

Name: Aldama (b)
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 1996
Country: Mexico
Mass: 66.5 g

Classification
history:

Meteoritical Bulletin:	MB 82	(1998)	H5
NHM Catalogue:	5th Edition	(2000)	H5
MetBase:	v. 7.1	(2006)	H5
Recommended:			H5 [explanation]

This is 1 of 11568 approved meteorites (plus 23 unapproved names) classified as H5. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Note: the coords are not near Aldama (a) and so conflict with the writeup

Writeup

Writeup from MB 82:

Aldama (b)

Chihuahua, Mexico

Found 1996, Summer

Ordinary chondrite (H5)

A 66.5 g stone was found by a rockhound while searching for minerals. Mineralogy and classification (J. Otto, Frei): olivine, Fa_18.7; pyroxene, Fs_16.5Wo_1.6; plagioclase, An_12.4Or_5.6; shock stage S2; weathering grade W3. Specimens: main mass, SML; type specimen, Frei. The iron meteorite found in the same vicinity in 1985 will be named henceforth Aldama (a).

Institutions
and collections

Frei: Universität Freiburg, Mineralogisch-Petrographisches Institut, Albertstrasse 23b, D-79104 Freiburg, Germany (institutional address)
SML: Swiss Meteorite Laboratory (Museum Bally-Prior), P.O. Box 126, CH-8750 Glarus, Switzerland; Website (private address; updated 16 Oct 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Martin Horejsi
McCartney Taylor
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
David Hardy
David L. Ribeca
Jim K

Geography:

Mexico

Coordinates:
Catalogue of Meteorites:	(25° 3'N, 106° 0'W)
Recommended::	(25° 3'N, 106° 0'W)

Statistics:
This is 1 of 14 approved meteorites from Durango, Mexico
This is 1 of 112 approved meteorites from Mexico (plus 5 unapproved names) (plus 1 impact crater)

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