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Northwest Africa 8755 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8755 This is an OFFICIAL meteorite name. Abbreviation: NWA 8755 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 37.7 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 236 approved meteorites classified as Eucrite-br. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 13 Feb 2015 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 8755 (NWA 8755) (Northwest Africa) Purchased: Oct 2014 Classification: HED achondrite (Eucrite, brecciated) History: The meteorite was bought 2014 on a mineral fair in Munich, Germany. Physical characteristics: The small individual is partly covered with fusion crust. Petrography: The meteorite is a eucritic breccia composed of coarse- and fine-grained basaltic and impact melt clast set into more fine-grained matrix. Dominant minerals in basaltic clasts and matrix are exsolved pyroxene and calcic plagioclase. Minor phases include chromite and silica polymorphs. Geochemistry: low-Ca pyroxene: Fs67.9±0.4Wo2.2±0.4 (Fs67-68.6Wo1.8-3.3, n=26, FeO/MnO=32-37); Ca-pyroxene: Fs34.3±2.1Wo40.6±2.1 (Fs30.3-40.5Wo34.8-44.2, n=28, FeO/MnO=32-39); calcic plagioclase: An87.4±4.7 (An78.4-92.1, n=15) | ||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) JNMC: jnmczurich, P.O. Box 208, CH-8155 Niederhasli, Switzerland; Website (private address; updated 4 Feb 2014) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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