header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 10 Apr 2021
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Oldman Mountain
Basic information Name: Oldman Mountain
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2008
Country: United States
Mass:help 199 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  H5
Recommended:  H5    [explanation]

This is 1 of 10254 approved meteorites (plus 18 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: Approved 19 Nov 2012
Writeuphelp
Writeup from MB 101:

Oldman Mountain        33°40’20.94"N, 114°17’30.11"W

La Paz County, Arizona, United States

Found: 9 Feb 2008

Classification: Ordinary chondrite (H5)

History: Discovered by Bruce Eistedt near Oldman Mountain, while out prospecting for gold northwest of Quartzite, Arizona.

Physical characteristics: Single rust-colored stone with remnant fusion crust.

Petrography: (L. Garvie, ASU) Abundant well-formed chondrules including RP, PP, POP, and BO. Radial pyroxene chondrules to 1 mm. Approximately 20% of the metal is oxidized.

Geochemistry: Olivine Fa19.0±0.3 (range Fa18.6-20.0, n=13, FeO/MnO=38.4±2.4). Low-Ca pyroxene Fs16.5±0.2Wo1.2±0.2 (range Fs16.1-16.8 Wo1.0-1.8, n=9).

Classification: Ordinary chondrite, H5.

Specimens: 25.51 g and one polished thin section at ASU. Finder holds the main mass.

Data from:
  MB101
  Table 0
  Line 0:
State/Prov/County:Arizona
Date:9 Feb 2008
Latitude:33°40'20.94"N
Longitude:114°17'30.11"W
Mass (g):198.96
Pieces:1
Class:H5
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):19.0±0.3
Ferrosilite (mol%):16.5±0.2
Wollastonite (mol%):1.2±0.2
Classifier:L Garvie, ASU
Type spec mass (g):25.51
Type spec location:ASU
Main mass:finder
Finder:Bruce Eistedt
Comments:Submitted by Laurence Garvie
Institutions
   and collections
ASU: Center for Meteorite Studies, Arizona State University, Tempe, Arizona 85287-1404, United States; Website (institutional address; updated 14 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

United States
Coordinates:
     Recommended::   (33° 40' 21"N, 114° 17' 30"W)

Statistics:
     This is 1 of 169 approved meteorites from Arizona, United States (plus 1 impact crater)
     This is 1 of 1866 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters)
Proximity search:
Find nearby meteorites: enter search radius (km):

Direct link to this page