581 views

Over 15,000 photos and growing!


  29 - June - 2019

This Month       Today's Picture       Select a Month

Submit a Picture

Where is My Picture?!

The Queue


Select by   Contributor

Met Name

Met Type

Thin Sections


Recent Comments

NWA 10909   contributed by Jonathan Ospina   MetBul Link


Roll Overs:     #1   #2   #3    


Click the picture to view larger photos

View all entries for   Meteorite (2)   Jonathan Ospina (17)


10.58 grams. 23 x 15 x 14 mm.   Eucrite-mmict

TKW 924 grams. Fall not observed. Found August 2015.

From the MetBul:
Northwest Africa 10909 (NWA 10909)
Morocco, Western Sahara, 112 km south of Tindouf
Find: 2015 Aug
Classification: HED achondrite (Eucrite, monomict)

History: Six complete stones covered with dark fusion crust were found in the desert by a nomad. The stones (originally 201.3, 110.9, 121.7, 127.1, 100.3, and 152 g) were sent to MCM for study. After the first studies, several grams were sent to UPC, where analysis was performed by Dr. J. Llorca in October 2015.

Petrography: The meteorite displays a basaltic texture with up to 1.5 mm sized exsolved pyroxenes and equally sized lath-shaped calcic plagioclase. Minor phases include chromite, SiO2 polymorphs, ilmenite and metallic iron.

Geochemistry: (J.Llorca, UPC) Orthopyroxene; Fs57.4±0.9, Wo2.2±1.4, FeO/MnO = 32±1, n=19. Plagioclase; An87.1±2.6, n=21.

Specimens: The remaining masses are in the private collection of Javier Franco, Las Palmas de Gran Canaria, Spain, and 90.9 g at MCM. Repository sample: 20 g UPC.

 


  Click to view larger photos     #1     #2     #3


Visit my FaceBook page
 


Comment on this MPOD                      
Name
Comment

980 max length

  Please - NO Dealer Ads in the comments
but pictures from dealers are gladly accepted

Tomorrow

NWA 11397
José García

This Month

1 picture in the Queue
John Divelbiss
 6/29/2019 12:24:14 PM
The 3rd photo shows the texture that looks a lot like Millbillillie.
 

Hosted by
Tucson Meteorites
Server date and time
4/24/2024 8:08:15 PM
Last revised
03/29/24
Terms of Use Unsubscribe