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Arabian Peninsula 007
Basic information Name: Arabian Peninsula 007
     This is an OFFICIAL meteorite name.
Abbreviation: AP 007
Observed fall: No
Year found: 2017
Country: Saudi Arabia
Mass:help 1337 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  Lunar (frag. breccia)
Recommended:  Lunar (frag. breccia)    [explanation]

This is 1 of 26 approved meteorites classified as Lunar (frag. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 15 May 2019
Writeuphelp
Writeup from MB 108:

Arabian Peninsula 007 (AP 007)

Saudi Arabia

Purchased: 2017 Nov

Classification: Lunar (frag. breccia)

History: A single weathered stone lacking a fusion crust was found in 2015 by a pair of local meteorite hunters in the Al Jouf region of Saudi Arabia. Purchased by Dustin Dickens in November 2017 while on expedition in the region.

Physical characteristics: Dark, sand-blasted exterior. Dark homogeneous groundmass with sub-mm sized clasts. Mm-width melt veins visible across exterior. No fusion crust.

Petrography: (T. S. Hayden, M. Anand, OU) The meteorite is a clast-rich fragmental breccia containing numerous mineral and lithic fragments embedded in a fine-grained matrix. The lithic clast population consists primarily of basaltic clasts, dominated by Ca-rich pyroxene and plagioclase and olivine. There is a large (~2.3mm) granulite clast which appears to be of the ferroan anorthosite suite, with accessory apatite and ulv_spinel. The size range of the lithic clasts is 0.24-3.41mm. Mineral clasts and fragments are mainly pyroxene, olivine, plagioclase and chromite. Some regolith material (vesicular) present also.

Geochemistry: Mineral composition and Geochemistry: (T. S. Hayden, M. Anand, OU) Feldspar (An96.4±0.8Ab3.5±0.8, N = 79), Pigeonite (Fs32.1±3.2Wo13.6±3.2, Fe/Mn=59.4±4, N=41), Augite (Fs25.8±5.6Wo28.6±7.5, Fe/Mn=57.1±6.8, N=18), Olivine (Fa41.6±9.8, Fe/Mn=103.3±10, N=116). O isotopes (measured at OU): δ17O = 3.484‰, δ18O = 6.646‰, Δ17O=-0.002‰ (linearized using a slope of 0.5247).

Classification: Lunar fragmental regolith breccia

Specimens: Specimen: 21g type specimen held at OU. Main mass held by Dustin Dickens.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Al Jouf, Saudi Arabia
Date:P 2017 Nov
Mass (g):1337
Pieces:1
Class:Lunar (frag. breccia)
Shock stage:Moderate
Weathering grade:Strong
Fayalite (mol%):41.6±9.8 (N=116)
Ferrosilite (mol%):30.2±5 (N=59)
Wollastonite (mol%):18.2±8.5 (N=59)
Classifier:T. S. Hayden, M. Anand, and R. C. Greenwood, OU
Type spec mass (g):21
Type spec location:OU
Main mass:Dustin Dickens
Finder:Local meteorite hunters, Saudi Arabia
Comments:Field name prior to submission: TMOU-06; submitted by T. S. Hayden (OU)
Plots: O isotopes:  
Institutions
   and collections		 OU: Planetary and Space Sciences Department of Physical Sciences The Open University Walton Hall Milton Keynes MK7 6AA United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Saudi Arabia
Coordinates:Unknown.

Statistics:
     This is 1 of 113 approved meteorites from Saudi Arabia (plus 4 unapproved names) (plus 2 impact craters)

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