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Bangombé, Léboumbi-Leyou Department, Haut-Ogooué Province, Gaboni
Regional Level Types
BangombéOccurrence
Léboumbi-Leyou DepartmentDepartment
Haut-Ogooué ProvinceProvince
GabonCountry

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Latitude & Longitude (WGS84):
1° 34' 0'' South , 13° 20' 59'' East
Latitude & Longitude (decimal):
-1.56667,13.35000
GRN:
S02E10
Type:
Occurrence
Age:
~4600 to 541 ± 1.0 Ma
Geologic Time:
Precambrian
Köppen climate type:
Aw : Tropical savanna, wet
Nearest Settlements:
PlacePopulationDistance
Moanda30,151 (2015)16.8km
Franceville42,967 (2011)27.0km
Mounana8,780 (2012)27.6km
Mindat Locality ID:
23815
Long-form identifier:
mindat:1:2:23815:6
GUID (UUID V4):
0


Precambrian natural fission reactor 35 km southeast of the Oklo mine (another natural nuclear reactor in the same area), at a depth of 10-12 m. Discussions are still going on if the reactor should be saved for research or mined for uranium. Mining ceased in December 1997.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


28 valid minerals.

Detailed Mineral List:

ⓘ Anatase
Formula: TiO2
ⓘ Anglesite
Formula: PbSO4
ⓘ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
ⓘ Bassetite
Formula: Fe2+(UO2)2(PO4)2 · 10H2O
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chernikovite
Formula: (H3O)2(UO2)2(PO4)2 · 6H2O
ⓘ 'Chlorite Group'
References:
Eberly, P., Janeczek, J., & Ewing, R. (1994). Precipitation of uraninite in chlorite-bearing veins of the hydrothermal alteration zone (argile de pile) of the natural nuclear reactor at Bangombe, Republic of Gabon. In MRS Proceedings (Vol. 353, p. 1195). Cambridge University Press.
Janeczek, Janusz, Ewing, Rodney (1996) Phosphatian coffinite with rare earth elements and Ce-rich françoisite-(Nd) from sandstone beneath a natural fission reactor at Bangombé, Gabon. Mineralogical Magazine, 60 (401) 665-669 doi:10.1180/minmag.1996.060.401.14
Janusz Janeczek (1999) Mineralogy and geochemistry of natural fission reactors in Gabon. Reviews in Mineralogy and Geochemistry, MSA, v. 38, p. 321-392
Alstrup Jensen, Keld, Ewing, Rodney C. (2001) The Okélobondo natural fission reactor, southeast Gabon: Geology, mineralogy, and retardation of nuclear-reaction products. Geological Society of America Bulletin, 113 (1) 32-62 doi:10.1130/0016-7606(2001)113<0032:tolnfr>2.0.co;2
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Ripidolite
Formula: (Mg,Fe,Al)6(Si,Al)4O10(OH)8
ⓘ Coffinite
Formula: U(SiO4) · nH2O
References:
MinMag 60:665
Eberly, P., Janeczek, J., & Ewing, R. (1994). Precipitation of uraninite in chlorite-bearing veins of the hydrothermal alteration zone (argile de pile) of the natural nuclear reactor at Bangombe, Republic of Gabon. In MRS Proceedings (Vol. 353, p. 1195). Cambridge University Press.
Janeczek, Janusz, Ewing, Rodney (1996) Phosphatian coffinite with rare earth elements and Ce-rich françoisite-(Nd) from sandstone beneath a natural fission reactor at Bangombé, Gabon. Mineralogical Magazine, 60 (401) 665-669 doi:10.1180/minmag.1996.060.401.14
Janusz Janeczek (1999) Mineralogy and geochemistry of natural fission reactors in Gabon. Reviews in Mineralogy and Geochemistry, MSA, v. 38, p. 321-392
Jensen, K. A.; Palenik, C. S.; Ewing, Rodney C. (2002) U6+ phases in the weathering zone of the Bangombé U-deposit: observed and predicted mineralogy. Radiochimica Acta, 90 (9-11). 761-769 doi:10.1524/ract.2002.90.9-11_2002.761
Utsunomiya, S., Deditius, A. P., Pointeau, V., & Ewing, R. C. (2008). Coffinite and ningyoite from the natural nuclear reactor at Bangombe, Gabon. Geochimica et Cosmochimica Acta, 72(12suppl. 1), A968.
ⓘ Donbassite
Formula: Al4.33(AlSi3O10)(OH)8
ⓘ Florencite-(Ce)
Formula: CeAl3(PO4)2(OH)6
ⓘ Florencite-(La)
Formula: LaAl3(PO4)2(OH)6
Description: Contains fissiogenic REE:s.
ⓘ Fourmarierite
Formula: Pb(UO2)4O3(OH)4 · 4H2O
ⓘ Françoisite-(Nd)
Formula: (Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
ⓘ Galena
Formula: PbS
References:
Lena Z. Evins, Keld A. Jensen, Rodney C. Ewing, Uraninite recrystallization and Pb loss in the Oklo and Bangombé natural fission reactors, Gabon, Geochimica et Cosmochimica Acta, Volume 69, Issue 6, 15 March 2005, Pages 1589-1606, ISSN 0016-7037, 10.1016/j.gca.2004.07.013.
Eberly, P., Janeczek, J., & Ewing, R. (1994). Precipitation of uraninite in chlorite-bearing veins of the hydrothermal alteration zone (argile de pile) of the natural nuclear reactor at Bangombe, Republic of Gabon. In MRS Proceedings (Vol. 353, p. 1195). Cambridge University Press.
Janusz Janeczek (1999) Mineralogy and geochemistry of natural fission reactors in Gabon. Reviews in Mineralogy and Geochemistry, MSA, v. 38, p. 321-392
Lena Zetterström and Torbjörn Sunde (2000). Galena Crystallization and the Origin of Sulfur in the Oklo and Bangombé Natural Reactors: The Effects of a ca. 900 Ma Thermal Event. MRS Proceedings, 663, 953 doi:10.1557/PROC-663-953.
Alstrup Jensen, Keld, Ewing, Rodney C. (2001) The Okélobondo natural fission reactor, southeast Gabon: Geology, mineralogy, and retardation of nuclear-reaction products. Geological Society of America Bulletin, 113 (1) 32-62 doi:10.1130/0016-7606(2001)113<0032:tolnfr>2.0.co;2
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
References:
Eberly, P., Janeczek, J., & Ewing, R. (1994). Precipitation of uraninite in chlorite-bearing veins of the hydrothermal alteration zone (argile de pile) of the natural nuclear reactor at Bangombe, Republic of Gabon. In MRS Proceedings (Vol. 353, p. 1195). Cambridge University Press.
Janeczek, Janusz, Ewing, Rodney (1996) Phosphatian coffinite with rare earth elements and Ce-rich françoisite-(Nd) from sandstone beneath a natural fission reactor at Bangombé, Gabon. Mineralogical Magazine, 60 (401) 665-669 doi:10.1180/minmag.1996.060.401.14
Janusz Janeczek (1999) Mineralogy and geochemistry of natural fission reactors in Gabon. Reviews in Mineralogy and Geochemistry, MSA, v. 38, p. 321-392
Alstrup Jensen, Keld, Ewing, Rodney C. (2001) The Okélobondo natural fission reactor, southeast Gabon: Geology, mineralogy, and retardation of nuclear-reaction products. Geological Society of America Bulletin, 113 (1) 32-62 doi:10.1130/0016-7606(2001)113<0032:tolnfr>2.0.co;2
ⓘ Native Lead
Formula: Pb
ⓘ Ningyoite
Formula: (U,Ca,Ce)2(PO4)2 · 1-2H2O
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Schoepite
Formula: (UO2)8O2(OH)12 · 12H2O
ⓘ Thorite
Formula: Th(SiO4)
ⓘ Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ Uraninite
Formula: UO2
References:
Lena Z. Evins, Keld A. Jensen, Rodney C. Ewing, Uraninite recrystallization and Pb loss in the Oklo and Bangombé natural fission reactors, Gabon, Geochimica et Cosmochimica Acta, Volume 69, Issue 6, 15 March 2005, Pages 1589-1606, ISSN 0016-7037, 10.1016/j.gca.2004.07.013.
Eberly, P., Janeczek, J., & Ewing, R. (1994). Precipitation of uraninite in chlorite-bearing veins of the hydrothermal alteration zone (argile de pile) of the natural nuclear reactor at Bangombe, Republic of Gabon. In MRS Proceedings (Vol. 353, p. 1195). Cambridge University Press.
Janeczek, Janusz, Ewing, Rodney (1996) Phosphatian coffinite with rare earth elements and Ce-rich françoisite-(Nd) from sandstone beneath a natural fission reactor at Bangombé, Gabon. Mineralogical Magazine, 60 (401) 665-669 doi:10.1180/minmag.1996.060.401.14
Janusz Janeczek (1999) Mineralogy and geochemistry of natural fission reactors in Gabon. Reviews in Mineralogy and Geochemistry, MSA, v. 38, p. 321-392
Alstrup Jensen, Keld, Ewing, Rodney C. (2001) The Okélobondo natural fission reactor, southeast Gabon: Geology, mineralogy, and retardation of nuclear-reaction products. Geological Society of America Bulletin, 113 (1) 32-62 doi:10.1130/0016-7606(2001)113<0032:tolnfr>2.0.co;2
Jensen, K. A.; Palenik, C. S.; Ewing, Rodney C. (2002) U6+ phases in the weathering zone of the Bangombé U-deposit: observed and predicted mineralogy. Radiochimica Acta, 90 (9-11). 761-769 doi:10.1524/ract.2002.90.9-11_2002.761
Utsunomiya, S., Deditius, A. P., Pointeau, V., & Ewing, R. C. (2008). Coffinite and ningyoite from the natural nuclear reactor at Bangombe, Gabon. Geochimica et Cosmochimica Acta, 72(12suppl. 1), A968.
ⓘ Uranopilite
Formula: (UO2)6(SO4)O2(OH)6 · 14H2O
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Lead1.AA.05Pb
Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘQuartz4.DA.05SiO2
ⓘAnatase4.DD.05TiO2
ⓘUraninite4.DL.05UO2
ⓘSchoepite4.GA.05(UO2)8O2(OH)12 · 12H2O
ⓘFourmarierite4.GB.25Pb(UO2)4O3(OH)4 · 4H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘUranopilite7.EA.05(UO2)6(SO4)O2(OH)6 · 14H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘFlorencite-(Ce)8.BL.13CeAl3(PO4)2(OH)6
ⓘFlorencite-(La)8.BL.13LaAl3(PO4)2(OH)6
ⓘNingyoite8.CJ.85(U,Ca,Ce)2(PO4)2 · 1-2H2O
ⓘAutunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
ⓘBassetite8.EB.10Fe2+(UO2)2(PO4)2 · 10H2O
ⓘChernikovite8.EB.15(H3O)2(UO2)2(PO4)2 · 6H2O
ⓘFrançoisite-(Nd)8.EC.05(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Group 9 - Silicates
ⓘCoffinite9.AD.30U(SiO4) · nH2O
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘvar. Ripidolite9.EC.55(Mg,Fe,Al)6(Si,Al)4O10(OH)8
ⓘDonbassite9.EC.55Al4.33(AlSi3O10)(OH)8
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Monazite Group'-REE(PO4)

List of minerals for each chemical element

HHydrogen
Hⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hⓘ BassetiteFe2+(UO2)2(PO4)2 · 10H2O
Hⓘ Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ CoffiniteU(SiO4) · nH2O
Hⓘ Florencite-(Ce)CeAl3(PO4)2(OH)6
Hⓘ Florencite-(La)LaAl3(PO4)2(OH)6
Hⓘ FourmarieritePb(UO2)4O3(OH)4 · 4H2O
Hⓘ Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Hⓘ GoethiteFe3+O(OH)
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2O
Hⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Hⓘ Schoepite(UO2)8O2(OH)12 · 12H2O
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Hⓘ Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
Hⓘ DonbassiteAl4.33(AlSi3O10)(OH)8
OOxygen
Oⓘ AnataseTiO2
Oⓘ AnglesitePbSO4
Oⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oⓘ BassetiteFe2+(UO2)2(PO4)2 · 10H2O
Oⓘ Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ CoffiniteU(SiO4) · nH2O
Oⓘ Florencite-(Ce)CeAl3(PO4)2(OH)6
Oⓘ Florencite-(La)LaAl3(PO4)2(OH)6
Oⓘ FourmarieritePb(UO2)4O3(OH)4 · 4H2O
Oⓘ Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Oⓘ GoethiteFe3+O(OH)
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ Monazite GroupREE(PO4)
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2O
Oⓘ QuartzSiO2
Oⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Oⓘ Schoepite(UO2)8O2(OH)12 · 12H2O
Oⓘ ThoriteTh(SiO4)
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ UraniniteUO2
Oⓘ Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
Oⓘ ZirconZr(SiO4)
Oⓘ DonbassiteAl4.33(AlSi3O10)(OH)8
MgMagnesium
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
AlAluminium
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Florencite-(Ce)CeAl3(PO4)2(OH)6
Alⓘ Florencite-(La)LaAl3(PO4)2(OH)6
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Alⓘ DonbassiteAl4.33(AlSi3O10)(OH)8
SiSilicon
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ CoffiniteU(SiO4) · nH2O
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Siⓘ ThoriteTh(SiO4)
Siⓘ ZirconZr(SiO4)
Siⓘ DonbassiteAl4.33(AlSi3O10)(OH)8
PPhosphorus
Pⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pⓘ BassetiteFe2+(UO2)2(PO4)2 · 10H2O
Pⓘ Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
Pⓘ Florencite-(Ce)CeAl3(PO4)2(OH)6
Pⓘ Florencite-(La)LaAl3(PO4)2(OH)6
Pⓘ Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Pⓘ Monazite GroupREE(PO4)
Pⓘ Monazite-(Ce)Ce(PO4)
Pⓘ Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2O
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
KPotassium
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caⓘ Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2O
TiTitanium
Tiⓘ AnataseTiO2
FeIron
Feⓘ BassetiteFe2+(UO2)2(PO4)2 · 10H2O
Feⓘ ChalcopyriteCuFeS2
Feⓘ GoethiteFe3+O(OH)
Feⓘ PyriteFeS2
Feⓘ Clinochlore var. Ripidolite(Mg,Fe,Al)6(Si,Al)4O10(OH)8
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
ZrZirconium
Zrⓘ ZirconZr(SiO4)
LaLanthanum
Laⓘ Florencite-(La)LaAl3(PO4)2(OH)6
CeCerium
Ceⓘ Florencite-(Ce)CeAl3(PO4)2(OH)6
Ceⓘ Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Ceⓘ Monazite-(Ce)Ce(PO4)
Ceⓘ Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2O
NdNeodymium
Ndⓘ Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
SmSamarium
Smⓘ Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ FourmarieritePb(UO2)4O3(OH)4 · 4H2O
Pbⓘ GalenaPbS
Pbⓘ Native LeadPb
ThThorium
Thⓘ ThoriteTh(SiO4)
UUranium
Uⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uⓘ BassetiteFe2+(UO2)2(PO4)2 · 10H2O
Uⓘ Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
Uⓘ CoffiniteU(SiO4) · nH2O
Uⓘ FourmarieritePb(UO2)4O3(OH)4 · 4H2O
Uⓘ Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Uⓘ Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2O
Uⓘ Schoepite(UO2)8O2(OH)12 · 12H2O
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Uⓘ UraniniteUO2
Uⓘ Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate

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References

Janeczek, Janusz, Ewing, Rodney (1996) Phosphatian coffinite with rare earth elements and Ce-rich françoisite-(Nd) from sandstone beneath a natural fission reactor at Bangombé, Gabon. Mineralogical Magazine, 60 (401) 665-669 doi:10.1180/minmag.1996.060.401.14
Janeczek, J. (1999) Mineralogy and geochemistry of natural fission reactors in Gabon. Reviews in Mineralogy and Geochemistry: 38: 321-392.
Alstrup Jensen, Keld, Ewing, Rodney C. (2001) The Okélobondo natural fission reactor, southeast Gabon: Geology, mineralogy, and retardation of nuclear-reaction products. Geological Society of America Bulletin, 113 (1) 32-62 doi:10.1130/0016-7606(2001)113<0032:tolnfr>2.0.co;2
Jensen, K. A.; Palenik, C. S.; Ewing, Rodney C. (2002) U6+ phases in the weathering zone of the Bangombé U-deposit: observed and predicted mineralogy. Radiochimica Acta, 90 (9-11). 761-769 doi:10.1524/ract.2002.90.9-11_2002.761
Jensen, K.A., Palenik, C.S., Fayek, M., Evins, L.Z., Janeczek, J., Ewing, R.C. (2003) The spent nuclear fuel analogue of the Oklo-Okélobondo and Bangombé natural fission reactors. Nordic Geological Winter Meeting (Sweden).
Hidaka, Hiroshi, Janeczek, Janusz, Skomurski, Frances N., Ewing, Rodney C., Gauthier-Lafaye, François (2005) Geochemical fixation of rare earth elements into secondary minerals in sandstones beneath a natural fission reactor at Bangombé, Gabon. Geochimica et Cosmochimica Acta, 69 (3) 685-694 doi:10.1016/j.gca.2004.07.019
Utsunomiya, S., Deditius, A.P., Pointeau, V., Ewing, R.C. (2008) Coffinite and ningyoite from the natural nuclear reactor at Bangombe, Gabon. Geochimica et Cosmochimica Acta: 72(supplement 1): A968.
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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