| Reference Type | Journal (article/letter/editorial) |
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| Title | The Mayo Belwa meteorite: a new enstatite achondrite fall |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Graham, A. L. | Author |
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| Easton, A. J. | Author |
| Hutchison, R. | Author |
| Year | 1977 (December) | Volume | 41 |
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| Issue | 320 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_41/41-320-487.pdf+ |
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| DOI | doi:10.1180/minmag.1977.041.320.10Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 2824 | Long-form Identifier | mindat:1:5:2824:4 |
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| GUID | 0 |
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| Full Reference | Graham, A. L., Easton, A. J., Hutchison, R. (1977) The Mayo Belwa meteorite: a new enstatite achondrite fall. Mineralogical Magazine, 41 (320) 487-492 doi:10.1180/minmag.1977.041.320.10 |
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| Plain Text | Graham, A. L., Easton, A. J., Hutchison, R. (1977) The Mayo Belwa meteorite: a new enstatite achondrite fall. Mineralogical Magazine, 41 (320) 487-492 doi:10.1180/minmag.1977.041.320.10 |
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| In | (1977, December) Mineralogical Magazine Vol. 41 (320) Mineralogical Society |
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| Abstract/Notes | SummaryMayo Belwa, a highly shocked enstatite achondrite, fell during the evening of 3 August 1974 in the Adamawa District, NE. Nigeria (8° 58' N., 12° 05' E.). The stone weighed 4·85 kg and was deposited in the Geological Survey of Nigeria and loaned for study to the British Museum (Natural History). It is composed principally of enstatite (0·02 FeO%), with some olivine (Fo100), diopside, feldspar (An9 Ab88 Or3), and minor Fe-Ni metal and the sulphides oldhamite, daubréelite, ferroan alabandine, and troilite. The kamacite contains between 0·15% and 1·2% Si and the troilite contains 1·1% Ti. The meteorite possesses vuggy cavities, which contain fluor-amphibole needles projecting from their walls, suggesting the presence at some time of a volatile-rich phase. The titanium-rich troilite, the nearly ironfree enstatite and the Mg/Si ratio are typical of the E-achondrites. |
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