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Martian Meteorite Kit I Amazing piece of MARS I NWA 6963

Brought to you by: Top Meteorite

  • $ 45.00


 

 

On Offer: Fragment of the Martian Meteorite Shergottite with official name NWA 6963

Type: Martian Shergottite

Official Name: NWA 6963
Parent Body: Mars 
Description: Fragment of the Martian Shergottite meteorite  NWA 6963
What you get: Fragment of a Martian Meteorite Specimen NWA 6963 in a Membrane Storage/Display box with image insert of a Martian landscape in both sides, Certificate of Authenticity, and information/COA Card of NWA 6963 Shergottite Martian Meteorite. 
*These fragments can vary in weight and will not be the exact specimen shown in this image, but will be an authentic martian meteorite NWA 6963 fragment.
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Northwest Africa 6963
Basic information Name: Northwest Africa 6963
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6963 
Observed fall: No
Year found: 2011
Country: Morocco 
Mass:help 8 kg
Classification
  history:
Meteoritical Bulletin:   MB 100   (2012)   Martian (shergottite) 
Recommended:   Martian (shergottite)    [explanation]

This is 1 of 175 approved meteorites (plus 1 unapproved name) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites
Comments: Approved 24 Oct 2011
Revised 8 Jun 2012: New information received from H. Chennaoui
Writeuphelp
Writeup from MB 100: 

Northwest Africa 6963 (NWA 6963)                         28°00.148'N   11°07.895'W

South, Morocco

Found: 2011

Classification: Martian meteorite (Shergottite)

History: (H. Chennaoui Aoudjehane, FSAC) In September, 2011, a Moroccan meteorite hunter found the first pieces of NWA 6963 and sold it to AHabibi without giving the exact provenance. The hunter continued collecting pieces in the same area for about 6 months. In mid-May, 2012, the NWA 6963 locality, near the river Oued Touflit, became widely known and hundreds of meteorite hunters went to the area searching for more pieces. Pieces ranging from 100 to 700 g have been recovered, as well as a few small pieces (3-10 g), most of them are broken and partially covered by a thin fusion crust. The total mass may be as much as 8-10 kg. 

Physical characteristics: The original recovered material was a shiny, dark, 83 g fusion-crusted stone in three pieces. Minimal weathering. Interior shows abundant maskelynite and shock melt vein.

Petrography: (C. Agee, UNM) Microprobe examination of a polished epoxy mount shows 60% pyroxene, 35% maskelynite, 2% ulvöspinel, 2% melt pockets with silica, minor merrillite, trace chlorapatite and pyrrhotite. Pyroxenes show core-to-rim zonation. Pyroxene grains 200 μm to >1 mm, maskelynite domains 50 μm to >1 mm.

Geochemistry: (C. Agee and N. Wilson, UNM) Two distinct pyroxene compositional trends. Pigeonite Fs29Wo11En59 to Fs58Wo16En26, average: Fs39.7±7.7 Wo13.0±2.3 Fe/Mn=33±3 N=108. Augite Fs21Wo34En45 to Fs39Wo31En30, average: Fs28.1±6.2Wo31.6±1.9Fe/Mn=31±3 N=24. Maskelynite Or2.3±0.7Ab48.3±2.1An49.4±2.6 N=9.  Oxygen isotopes (Z. Sharp, UNM): δ18O=4.332; δ17O=2.528; Δ17O=+0.241 (all per mil).

Classification: Achondrite (Martian, shergottite); minimal weathering, high shock grade based on complete transformation of plagioclase to maskelynite. Pyroxene compositional trends are similar, but not identical to Shergotty.

Specimens: 17 g including microprobe mount on deposit UNMAHabibi holds the original recovered mass.

Data from:
  MB100
  Table 1
  Line 1558:
Place of purchase: Morocco
Date: 2011
Latitude: 28°00.148'N
Longitude: 11°07.895'W
Mass (g): 8-10 kg
Pieces: 3
Class: Martian (shergottite)
Ferrosilite (mol%): 39.7±7.7, 28.1±6.2
Wollastonite (mol%): 13.0±2.3, 31.6±1.9
Classifier: C. Agee, UNM
Type spec mass (g): 17
ID - MARTIANKIT6963

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