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      $99.00 AUD
      预计建议零售价:rrp

      NWA 7401, Enstatite EL melt rock. 126Grams

      1436
      0

      存货单位
      BE 979
      尺寸(毫米)
      72.000 x 47.000 x 35.000mm
      重量 (cts)
      1.000
      颜色

      The meteorite is petrographically paired to NWA 7401, Enstatite EL melt rock.

      Only 2% Meteorites falling to earth are Enstatite chondrite

      The meteorite rock shows radial pyroxenes chondrules, matrix composed of orthopyroxene, plagioclase, daubréelite , sulphides’.

      The pyroxene in the chondrules are elongated and prismatic.

      Sulphates and Oxides appear at the edges of the grains, residues of environmental alterations.

      There are also minor daubréelite ,kamacite and sulphides

      paired specimens (including Northwest Africa [NWA] 2828 and 7401) are part of a vesicular, incompletely melted, EL chondrite impact melt rock with a mass of ~3 metric tons

      An interesting 12 page detailed paper about this fossils meteorites Al Haggounia 001 and NWA 7401

      .

      Please copy and paste this file

      https://onlinelibrary.wiley.com/doi/pdf/10.1111/maps.12679?fbclid=IwAR0n0IINwHQoKdrBHWvT60Gl750e-Q5sJoSPGK0xTC_zTevt7yDAr8k5DRM

      Literature data indicate the meteorite fell ~23,000 year ago; numerous secondary phases formed during weathering. Both impact melting and weathering altered the meteorite's bulk chemical composition

      https://www.lpi.usra.edu/meteor/metbull.php?code=56167

      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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      有效期至
      4th Apr 2025

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      列表类型 : Standard
      产品编号 : 43446
      开始 : 21st March 2025 03:21 pm AEST
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