Béréba meteorite, Béréba Department, Tuy Province, Hauts-Bassins Region, Burkina Fasoi
| Regional Level Types | |
|---|---|
| Béréba meteorite | Meteorite Fall Location |
| Béréba Department | Department |
| Tuy Province | Province |
| Hauts-Bassins Region | Region |
| Burkina Faso | Country |
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Latitude & Longitude (WGS84):
11° 39' North , 3° 39' West
Latitude & Longitude (decimal):
Locality type:
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Houndé | 36,593 (2012) | 22.1km |
Name(s) in local language(s):
Béréba, République de Haute-Volta
Eucrite, monomict
Fell 27 Jun 1924, 18 kg
After detonations, the Béréba eucrite landed in what is now Burkina Faso. Béréba is the fifth largest of only 34 witnessed eucrite falls but only a kilogram or so remains in the museums listed in the Catalogue of Meteorites (5/e). It is in many ways a typical monomict eucrite — its primary constituents are pyroxene and plagioclase which are intergrown with each other. The pyroxene is apparently mostly pigeonite with exolved ferroaugite: plagioclase is anorthitic. Accessory phases include a silica polymorph, Ti-Chromite, ilmenite, Troilite, Metal, and Zircon. The zircon has been helpful in establishing a chronology of the putative Eucrite parent body. Like many Eucrites, the meteorite's fundamental mineralogical character was established about 4.5 billion years ago, but some of the Isotope ratios were apparently reset ~ 4 billion years ago by the impact. Although the Béréba material is relatively homogeneous ('monomict'), both pyroxene and plagioclase show clouding and other features apparently due to moderately strong shock(s).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
7 valid minerals.
Meteorite/Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 Description: exsolution lamellae in pigeonite Reference: Mason B., Jarosewich, E. & Nelen, J. A. (1979) The pyroxene-plagioclase achondrites. Smithson. Contrib. Earth Sci. 22: 2745. |
| ⓘ Augite var. Ferroaugite Description: exsolution lamellae in pigeonite Reference: Mason B., Jarosewich, E. & Nelen, J. A. (1979) The pyroxene-plagioclase achondrites. Smithson. Contrib. Earth Sci. 22: 2745. |
| ⓘ Chromite Formula: Fe2+Cr3+2O4 Description: Chromite is Ti-rich Reference: Carlson, R. W., Tera, F., & Boctor, N. Z. (1988) Radiometric Geochronology of the Eucrites Nuevo Laredo and Bereba. Abstracts of the Lunar and Planetary Science Conference XIX, page 166. (March 1988) |
| ⓘ Ilmenite Formula: Fe2+TiO3 Reference: Carlson, R. W., Tera, F., & Boctor, N. Z. (1988) Radiometric Geochronology of the Eucrites Nuevo Laredo and Bereba. Abstracts of the Lunar and Planetary Science Conference XIX, page 166. (March 1988) |
| ⓘ Pigeonite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 Reference: Mason, B. (1967) The Bununu meteorite, and a discussion of the pyroxene-plagioclase achondrites: Geochimica et Cosmochimica Acta 31: 107-115. |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 Description: Plagioclase (Ab8-10) Reference: Mason B., Jarosewich, E. & Nelen, J. A. (1979) The pyroxene-plagioclase achondrites. Smithson. Contrib. Earth Sci. 22: 2745.; Carlson, R. W., Tera, F., & Boctor, N. Z. (1988) Radiometric Geochronology of the Eucrites Nuevo Laredo and Bereba. Abstracts of the Lunar and Planetary Science Conference XIX, page 166. (March 1988) |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 Reference: Carlson, R. W., Tera, F., & Boctor, N. Z. (1988) Radiometric Geochronology of the Eucrites Nuevo Laredo and Bereba. Abstracts of the Lunar and Planetary Science Conference XIX, page 166. (March 1988) |
| ⓘ Quartz Formula: SiO2 Reference: Duke, M. B & S L. T. (1967) Petrology of eucrites, howardites and mesosiderites: Geochimica et Cosmochimica Acta 31:1637-1665. |
| ⓘ Troilite Formula: FeS Reference: Carlson, R. W., Tera, F., & Boctor, N. Z. (1988) Radiometric Geochronology of the Eucrites Nuevo Laredo and Bereba. Abstracts of the Lunar and Planetary Science Conference XIX, page 166. (March 1988) |
| ⓘ Zircon Formula: Zr(SiO4) Reference: Bukovanska, M. & Ireland, T. R. (1993) Zircons in Eucrites: Pristine and Disturbed U-Pb Systematics: Meteoritics (abstract) 28 (3): page 333. (July 1993) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Troilite | 2.CC.10 | FeS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | var. Ferroaugite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Pigeonite | 9.DA.10 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Al | Aluminium | |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| S | Sulfur | |
| S | ⓘ Troilite | FeS |
| Ca | Calcium | |
| Ca | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ti | Titanium | |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Troilite | FeS |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Mason, B. (1967) The Bununu meteorite, and a discussion of the pyroxene-plagioclase achondrites: Geochimica et Cosmochimica Acta, 31, 107-115.
Duke, M.B, Silver, L.T. (1967) Petrology of eucrites, howardites and mesosiderites. Geochimica et Cosmochimica Acta, 31, 1637-1665.
Mittlefehldt, David W. (1979) Petrographic and chemical characterization of igneous lithic clasts from mesosiderites and howardites and comparison with eucrites and diogenites. Geochimica et Cosmochimica Acta, 43(12), 1917-1935 (Dec 1979).
Mason B., Jarosewich, E., Nelen, J.A. (1979) The pyroxene-plagioclase achondrites. Smithsonian Contributions to the Earth Sciences, 22, 2745.
Bukovanska, M., Ireland, T.R. (1993) Zircons in Eucrites: Pristine and Disturbed U-Pb Systematics. Meteoritics (abstract), 28(3), 333 (July 1993).
Grady, M.M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.
External Links
https://www.lpi.usra.edu/meteor/metbull.php?code=5028 = Meteoritical Bulletin Database
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