$270.00 USD
預計建議零售價:rrp
3005
0

108Grams 4.65 Billion Old Chondrite Meteorite found in NWA Morocco -

存貨單位
BE 915
尺寸(毫米)
60.000 x 40.000 x 40.000mm
重量 (cts)
1.000
Treatment
No Treatment
顏色

Moroccan Meteorite Specimen

Weighs - 108grams

Measures - 60mm x 40mm x 40mm

This Meteorite landed in Morocco 2006 and weighed an estimated 3 tones.

Northwest Africa 2828 (NWA 2828)

The meteorite hit Al Haggounia, in Morocco and spread over 40 Kilometres and estimated to be 20,000 years old and weathered.

The outer surface is rusty brown due to severe alteration.

Looks like a sedimentary breccia cemented by iron oxide and carbonate.

 Color changes from bluish grey to rusty brown closest to the fractures are observed. Yellow patches of sulphur (alteration) are widespread.

The rocks are significantly porous with pore sizes from several cm to hundreds of microns.

The specimen is non magnetic.

Meteorite Debate by scientists

Mineral compositions: Enstatite (En98Fs1Wo1) and plagioclase (Ab78An16Or5).

Classification: EL chondrite impact melt rock, vesicular

The Meteoritical Society web site has labelled Al Haggounia 001 as an Aubrite (enstatite achondrite)[As of November 2013].Type3  However, an Enstatite Chondrite classification [EL3?] has also been argued very forcefully. Relic chondrules, statistical expectations, and chemical-mineralogical arguments have been propounded. It is, for example, unclear how much the original impacting meteorite was spread about by the collision with the earth's atmosphere and how much has been due to subsequent transportation by the infrequent rains.

officially reclassify Al Haggounia 001 as an ¨EL3 chondrite anomalous (W3)¨, it remains in the official Meteoritical Society’s public database as an Aubrite Metiorite

 Dr. Alan Rubin of UCLA has reclassified (2016) Al Haggounia 001 as an "EL Melt-rock", and the Meteoritical Bulletin entry was updated in 2019 to reflect the new classification

 

We visited Morocco in 2017 and visited areas where meteorites were found, but they were extremely difficult to find. In several hours we only found one small meteorite. Two images enclosed when we went fossicking for meteorites.

 

 

 

Please copy and paste link to view our trip and recommend you add to your bucket list fossil tours!

 

https://www.gemrockauctions.com/learn/did-you-know/fossil-safari-dinosaurs-and-fossil-hunting-in-morocco

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  • youngergirl44
    youngergirl44
    積極的

    Quick shipping with FedEx to the US. The artifact is exactly as described. So cool to own a bit of history like this!

  • youngergirl44
    youngergirl44
    積極的

    Quick shipping with FedEx to the US. The stone has the polarization expected with real Iceland spar. I'm very happy with this purchase!

  • youngergirl44
    youngergirl44
    積極的

    Quick shipping with FedEx to the US. It was well packaged. The one I received did have a small crack and chip in the lip, but stuff like that is expected with a natural material like this. I'm happy with my purchase.

  • smoky
    smoky
    積極的

    Paid and shipped - no feedback left after 100 days

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優惠券代碼 BLACKFRIDAY24
有效期至
3rd Dec 2024

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概述

列表類型 : Standard
產品編號 : 2221486
開始 : 14th November 2024 05:04 pm PST
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