SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Bogou meteorite, N'Gourma, Est Region, Burkina Fasoi
Regional Level Types
Bogou meteoriteMeteorite Fall Location
N'Gourma- not defined -
Est Region- not defined -
Burkina FasoCountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Latitude & Longitude (WGS84):
12° 30' North , 0° 42' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Gayéri1,958 (2013)27.8km
Name(s) in local language(s):
, République de Haute-Volta


IAB Iron, main group; octahedrite (IAB-MG, Og)
Fall 14 Aug 1962; 8.8 kg

Loud sounds like an airplane or a rocket, an explosion, and a flash of light occurred and soon thereafter an iron-rich mass was found within a small crater with a radius of 20-30 cm and depth of ~50 cm. Before cutting, the meteorite consisted of a well-rounded hemispheric dome on one side coupled to a deeply depressed hemisphere on the other side. Both 'halves' are marked with oxide-rich crust while partially and completely melted troilite and troilite-graphite nodules have created small pits. The meteorite is classified as a 'main group' IAB iron, the dominant subgroup of the recently redefined 'IAB complex.' The bulk of the meteorite (Ni ~7 wt%) is dominated by coarse kamacite grains associated with the dominant octahedral structure. Neumann bands indicative of pre-terrestrial shocks are present. As is to be expected for many octahedral irons, the Fe-Ni metal phases are accompanied by minor, but conspicuous troilite, graphite, and schreibersite. In addition, several other sulfides and at least one carbide are also present. While the meteorite was given over to local authorities about two weeks after the fall, stains due to terrestrial weathering have corroded parts of the meteorite and provide a good sample of very fresh weathering products.

As of early December 2014, there had been 10 witnessed falls of IAB complex of iron meteorites. Classified as an IAB-MG iron, however, Bogou is the only witnessed fall belonging to the 'main group' — the most common subgrouping category. The main mass of Bogou has been stored at the U.S. National Museum in Washington, DC.

Regions containing this locality

African PlateTectonic Plate
West AfricaUN Subregion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


10 valid minerals.

Meteorite/Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Cohenite
Formula: Fe3C
Description: Small grains have precipitated on the schreibersite rims.
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Daubréelite
Formula: Fe2+Cr3+2S4
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
'Fayalite-Forsterite Series'
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Graphite
Formula: C
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Iron
Formula: Fe
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Iron var: Kamacite
Formula: (Fe,Ni)
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
'Limonite'
Formula: (Fe,O,OH,H2O)
Description: Terrestrial weathering products found, esp. in plessite fields.
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Magnetite
Formula: Fe2+Fe3+2O4
Description: Abundant in the fusion crust
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
'Plessite'
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Schreibersite
Formula: (Fe,Ni)3P
Description: Schreibersite rims (~1mm) surround troilite; rhabdites are common in matrix as tetragonal prisms.
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Sphalerite
Formula: ZnS
Reference: Kissin, S. A., Schwarcz, H. P. & Scott, S. D. (1986) Application of the sphalerite cosmobarometer to group IAB iron meteorites: Geochimica et Cosmochimica Acta vol. 50 (3): 371-378. (March 1986)
Taenite
Formula: (Fe,Ni)
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Troilite
Formula: FeS
Description: Abundant as 10-40 mm nodules with varying amounts of associated graphite.
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Wüstite
Formula: FeO
Description: Abundant in the fusion crust.
Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Cohenite1.BA.05Fe3C
Graphite1.CB.05aC
Iron1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Schreibersite1.BD.05(Fe,Ni)3P
Taenite1.AE.10(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
Daubréelite2.DA.05Fe2+Cr3+2S4
Sphalerite2.CB.05aZnS
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Wüstite4.AB.25FeO
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Limonite'-(Fe,O,OH,H2O)
'Plessite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Cohenite1.1.16.1Fe3C
Iron
var: Kamacite
1.1.11.1(Fe,Ni)
Schreibersite1.1.21.2(Fe,Ni)3P
Taenite1.1.11.2(Fe,Ni)
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
Troilite2.8.9.1FeS
AmBnXp, with (m+n):p = 3:4
Daubréelite2.10.1.11Fe2+Cr3+2S4
Group 4 - SIMPLE OXIDES
AX
Wüstite4.2.1.6FeO
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Unclassified Minerals, Mixtures, etc.
'Fayalite-Forsterite Series'-
Iron-Fe
'Limonite'-(Fe,O,OH,H2O)
'Plessite'-

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
CCarbon
C CoheniteFe3C
C GraphiteC
OOxygen
O Limonite(Fe,O,OH,H2O)
O MagnetiteFe2+Fe23+O4
O WüstiteFeO
PPhosphorus
P Schreibersite(Fe,Ni)3P
SSulfur
S DaubréeliteFe2+Cr23+S4
S TroiliteFeS
S SphaleriteZnS
CrChromium
Cr DaubréeliteFe2+Cr23+S4
FeIron
Fe CoheniteFe3C
Fe DaubréeliteFe2+Cr23+S4
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
Fe Schreibersite(Fe,Ni)3P
Fe Taenite(Fe,Ni)
Fe TroiliteFeS
Fe WüstiteFeO
Fe IronFe
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Schreibersite(Fe,Ni)3P
Ni Taenite(Fe,Ni)
ZnZinc
Zn SphaleriteZnS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Krinov, E.L. (1962) Meteoritical Bulletin, 25, 2-3. Moscow (Dec 1962).
Buchwald, V.F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Kissin, S.A., Schwarcz, H.P., Scott, S.D. (1986) Application of the sphalerite cosmobarometer to group IAB iron meteorites. Geochimica et Cosmochimica Acta, 50(3), 371-378 (March 1986).
Grady, M.M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.

External Links



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: September 17, 2019 20:42:37 Page generated: July 28, 2019 12:43:07
Go to top of page