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NWA 11107 Eucrite Melt Breccia – 1 of only 11 !!!

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SKU: SQ9029608 Category: Tag:

*Please Inquire for price*

email:  Alienrockfarm@aol.com or call 248-842-8095

This extraordinary meteorite displays some amazing features and it is 1 of only 11 classified as “Eucrite Melt Breccia”. This stone has partial fusion crust and a smooth, undulating surface that covers a fair part of the stone. There is a small hole that goes all the way through the stone, and it has some extraordinarily large vugs  in it too!

The colorful material you can see on the surface is burnt cloth. When the Nomad found the stone he burned some cloth on it, apparently out of thanks for his good fortune. I’ve never seen or heard of this before and I think it adds a certain allure and appeal to the stone.

Northwest Africa 11107

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Description

*Please Inquire for price*

email:  Alienrockfarm@aol.com or call 248-842-8095

This extraordinary meteorite displays some amazing features and it is 1 of only 11 classified as “Eucrite Melt Breccia”. This stone has partial fusion crust and a smooth, undulating surface that covers a fair part of the stone. There is a small hole that goes all the way through the stone, and it has some extraordinarily large vugs  in it too!

The colorful material you can see on the surface is burnt cloth. When the Nomad found the stone he burned some cloth on it, apparently out of thanks for his good fortune. I’ve never seen or heard of this before and I think it adds a certain allure and appeal to the stone.

Northwest Africa 11107

Basic informationName: Northwest Africa 11107
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11107
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass: 2.56 kg

Classification
history:

Recommended:  Eucrite-melt breccia    

This is 1 of 11 approved meteorites classified as Eucrite-melt breccia.   [show all]
Search for other: AchondritesEucrites, and HED achondrites

Comments:Approved 17 Feb 2017

WriteupWriteup from MB 106:

Northwest Africa 11107 (NWA 11107)

(Northwest Africa)

Purchased: 2015

Classification: HED achondrite (Eucrite, melt breccia)

History: Purchased by Larry Atkins from Morocco in June 2015.

Physical characteristics: Single stone, partial weathered fusion crust. A saw cut reveals breccia with basaltic clasts up to 2 cm bounded by dark shock melt veins, some of which are up to 7 mm wide.

Petrography: (C. Agee, UNM) This meteorite is a fragmental breccia of pyroxene grains, basaltic clasts and a few feldspar grains. Shock melt is present throughout, some parts with vesicles. Many pyroxenes show exsolution lamellae. Accessory troilite and ilmenite were observed.

Geochemistry: (C. Agee and B. Ha, UNM) low Ca pyroxene Fs60.8±1.5Wo3.9±1.2, Fe/Mn=31±1, n=8; high Ca pyroxene Fs42.2±13.2Wo28.6±17.5, Fe/Mn=31±2, n=4; plagioclase An89.3±1.1Ab10.3±1.2Or0.4±0.1, n=7.

Classification: Monomict eucrite melt breccia with a single population of pyroxene compositions.

Specimens: 48.8 g including a probe mount on deposit at UNM, Larry Atkins holds the main mass.

Data from:
MB106
Table 0
Line 0:

Place of purchase:Morocco

Date:P 2015

Mass (g):2557

Pieces:1

Class:Eucrite-melt breccia

Shock stage:high

Weathering grade:moderate

Ferrosilite (mol%):60.8±1.5; 42.2±13.2

Wollastonite (mol%):3.9±1.2; 28.6±17.5

Classifier:C. Agee, UNM

Type spec mass (g):48.8

Type spec location:UNM

Main mass:Larry Atkins

Comments:Field name LA-2; submitted by C. Agee

Additional information

Dimensions 1 in
0

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