登录注册
主页关于 MindatMindat手册Mindat的历史版权Who We Are联系我们于 Mindat.org刊登广告
捐赠给 MindatCorporate Sponsorship赞助板页已赞助的板页在 Mindat刊登 广告的广告商于 Mindat.org刊登广告
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe Elements书籍及杂志
搜索矿物的性质搜索矿物的化学Advanced Locality Search随意显示任何一 种矿物Random Locality使用minID搜索邻近产地Search Articles搜索词汇表更多搜索选项
搜索:
矿物名称:
地区产地名称:
关键字:
 
Mindat手册添加新照片Rate Photos产区编辑报告Coordinate Completion Report添加词汇表项目
Mining Companies统计会员列表Mineral Museums矿物展及活动The Mindat目录表设备设置
照片搜索Photo Galleries今天最新的照片昨天最新的照片用户照片相集过去每日精选照片相集Mineral Photography

Bangombé, Franceville, Haut-Ogooué Province, Gaboni
Regional Level Types
Bangombé- not defined -
Franceville- not defined -
Haut-Ogooué ProvinceProvince
GabonCountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Lock Map
Latitude & Longitude (WGS84): 1° 34' South , 13° 21' East
Latitude & Longitude (decimal): -1.56667,13.35000
GeoHash:G#: kr9rpfc1t
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


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 if the reactor should be saved for research or mined for uranium.
Mining ceased in December 1997.

Regions containing this locality

African PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


28 valid minerals.

Detailed Mineral List:

Anatase
Formula: TiO2
Anglesite
Formula: PbSO4
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Bassetite
Formula: Fe2+(UO2)2(PO4)2 · 10H2O
Chalcopyrite
Formula: CuFeS2
Chernikovite
Formula: (H3O)2(UO2)2(PO4)2 · 6H2O
'Chlorite Group'
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Clinochlore var: Ripidolite
Formula: (Mg,Fe,Al)6(Si,Al)4O10(OH)8
Coffinite
Formula: U(SiO4) · nH2O
Donbassite
Formula: Al4.33(AlSi3O10)(OH)8
Florencite-(Ce)
Formula: CeAl3(PO4)2(OH)6
Florencite-(La)
Formula: LaAl3(PO4)2(OH)6
Fourmarierite
Formula: Pb(UO2)4O3(OH)4 · 4H2O
Françoisite-(Nd)
Formula: (Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Galena
Formula: PbS
Goethite
Formula: α-Fe3+O(OH)
Kaolinite
Formula: Al2(Si2O5)(OH)4
Lead
Formula: Pb
'Monazite'
Monazite-(Ce)
Formula: Ce(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Ningyoite
Formula: CaU(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
Uranopilite
Formula: (UO2)6(SO4)O2(OH)6 · 14H2O
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Lead1.AA.05Pb
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Fourmarierite4.GB.25Pb(UO2)4O3(OH)4 · 4H2O
Goethite4.00.α-Fe3+O(OH)
Quartz4.DA.05SiO2
Schoepite4.GA.05(UO2)8O2(OH)12 · 12H2O
Uraninite4.DL.05UO2
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
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Bassetite8.EB.10Fe2+(UO2)2(PO4)2 · 10H2O
Chernikovite8.EB.15(H3O)2(UO2)2(PO4)2 · 6H2O
Florencite-(Ce)8.BL.13CeAl3(PO4)2(OH)6
Florencite-(La)8.BL.13LaAl3(PO4)2(OH)6
Françoisite-(Nd)8.EC.05(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Monazite-(Ce)8.AD.50Ce(PO4)
Ningyoite8.CJ.85CaU(PO4)2 · 1-2H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Ripidolite9.EC.55(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Coffinite9.AD.30U(SiO4) · nH2O
Donbassite9.EC.55Al4.33(AlSi3O10)(OH)8
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Monazite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Lead1.1.1.4Pb
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Anatase4.4.4.1TiO2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
AXO3·xH2O
Schoepite5.2.1.3(UO2)8O2(OH)12 · 12H2O
Miscellaneous
Fourmarierite5.9.2.1Pb(UO2)4O3(OH)4 · 4H2O
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)6(XO4)Zq·xH2O
Uranopilite31.2.6.1(UO2)6(SO4)O2(OH)6 · 14H2O
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Bassetite40.2a.16.1Fe2+(UO2)2(PO4)2 · 10H2O
Chernikovite40.2a.19.1(H3O)2(UO2)2(PO4)2 · 6H2O
Torbernite40.2a.13.1Cu(UO2)2(PO4)2 · 12H2O
(AB)5(XO4)2·xH2O
Ningyoite40.4.8.1CaU(PO4)2 · 1-2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Florencite-(Ce)41.5.10.2CeAl3(PO4)2(OH)6
Florencite-(La)41.5.10.3LaAl3(PO4)2(OH)6
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq·xH2O
Françoisite-(Nd)42.4.14.1(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Coffinite51.5.2.4U(SiO4) · nH2O
Thorite51.5.2.3Th(SiO4)
Zircon51.5.2.1Zr(SiO4)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Donbassite71.4.1.1Al4.33(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Clinochlore
var: Ripidolite
-(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Kaolinite-Al2(Si2O5)(OH)4
'Monazite'-

List of minerals for each chemical element

HHydrogen
H CoffiniteU(SiO4) · nH2O
H Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
H Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
H Florencite-(La)LaAl3(PO4)2(OH)6
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H FourmarieritePb(UO2)4O3(OH)4 · 4H2O
H BassetiteFe2+(UO2)2(PO4)2 · 10H2O
H Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H Schoepite(UO2)8O2(OH)12 · 12H2O
H Florencite-(Ce)CeAl3(PO4)2(OH)6
H Goethiteα-Fe3+O(OH)
H DonbassiteAl4.33(AlSi3O10)(OH)8
H Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
H KaoliniteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H NingyoiteCaU(PO4)2 · 1-2H2O
OOxygen
O CoffiniteU(SiO4) · nH2O
O Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
O UraniniteUO2
O ZirconZr(SiO4)
O Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
O Florencite-(La)LaAl3(PO4)2(OH)6
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O AnglesitePbSO4
O FourmarieritePb(UO2)4O3(OH)4 · 4H2O
O BassetiteFe2+(UO2)2(PO4)2 · 10H2O
O Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O ThoriteTh(SiO4)
O Schoepite(UO2)8O2(OH)12 · 12H2O
O AnataseTiO2
O Florencite-(Ce)CeAl3(PO4)2(OH)6
O Monazite-(Ce)Ce(PO4)
O Goethiteα-Fe3+O(OH)
O DonbassiteAl4.33(AlSi3O10)(OH)8
O Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
O KaoliniteAl2(Si2O5)(OH)4
O MuscoviteKAl2(AlSi3O10)(OH)2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O NingyoiteCaU(PO4)2 · 1-2H2O
O QuartzSiO2
MgMagnesium
Mg Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al Florencite-(La)LaAl3(PO4)2(OH)6
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al Florencite-(Ce)CeAl3(PO4)2(OH)6
Al DonbassiteAl4.33(AlSi3O10)(OH)8
Al Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Si CoffiniteU(SiO4) · nH2O
Si ZirconZr(SiO4)
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si ThoriteTh(SiO4)
Si DonbassiteAl4.33(AlSi3O10)(OH)8
Si Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si QuartzSiO2
PPhosphorus
P Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
P Florencite-(La)LaAl3(PO4)2(OH)6
P BassetiteFe2+(UO2)2(PO4)2 · 10H2O
P Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P Florencite-(Ce)CeAl3(PO4)2(OH)6
P Monazite-(Ce)Ce(PO4)
P NingyoiteCaU(PO4)2 · 1-2H2O
SSulfur
S GalenaPbS
S Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
S AnglesitePbSO4
S ChalcopyriteCuFeS2
S PyriteFeS2
KPotassium
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca NingyoiteCaU(PO4)2 · 1-2H2O
TiTitanium
Ti AnataseTiO2
FeIron
Fe BassetiteFe2+(UO2)2(PO4)2 · 10H2O
Fe ChalcopyriteCuFeS2
Fe Goethiteα-Fe3+O(OH)
Fe PyriteFeS2
Fe Clinochlore (var: Ripidolite)(Mg,Fe,Al)6(Si,Al)4O10(OH)8
CuCopper
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
Cu ChalcopyriteCuFeS2
ZrZirconium
Zr ZirconZr(SiO4)
LaLanthanum
La Florencite-(La)LaAl3(PO4)2(OH)6
CeCerium
Ce Florencite-(Ce)CeAl3(PO4)2(OH)6
Ce Monazite-(Ce)Ce(PO4)
Ce NingyoiteCaU(PO4)2 · 1-2H2O
NdNeodymium
Nd Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
PbLead
Pb GalenaPbS
Pb AnglesitePbSO4
Pb FourmarieritePb(UO2)4O3(OH)4 · 4H2O
Pb LeadPb
ThThorium
Th ThoriteTh(SiO4)
UUranium
U CoffiniteU(SiO4) · nH2O
U Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2O
U UraniniteUO2
U Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
U FourmarieritePb(UO2)4O3(OH)4 · 4H2O
U BassetiteFe2+(UO2)2(PO4)2 · 10H2O
U Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U Schoepite(UO2)8O2(OH)12 · 12H2O
U NingyoiteCaU(PO4)2 · 1-2H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 3187849
Paleoproterozoic sedimentary rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Rhyacian
2050 - 2300 Ma



ID: 3310214

Age: Rhyacian (2050 - 2300 Ma)

Lithology: Sedimentary and volcaniclastic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Janeczek, J., & Ewing, R. (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(4), 665-669.
- Janeczek, J. (1999): Mineralogy and geochemistry of natural fission reactors in Gabon. Reviews in Mineralogy and Geochemistry, 38, 321-392.
- Jensen, K. A. & Ewing, R. C. (2001): The Okelobondo natural fission reactor, southeast Gabon: geology, mineralogy, and retardation of nuclear-reaction products. Geological Society of America Bulletin, 113, 32-62.
- Jensen, K.A., Palenik, C.S., and Ewing, R.C. (2002): U 6+ phases in the weathering zone of the Bangombe U-deposit: observed and predicted mineralogy. Radiochim. Acta 90, 761-769.
- Hiroshi Hidaka, Janusz Janeczek, Frances N. Skomurski, Rodney C. Ewing, François Gauthier-Lafaye (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, 685-694. 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(12suppl. 1), A968.

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.
 
矿物 and/or 产地  
版权所有© mindat.org1993年至2020年,除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。
隐私政策 - 条款和条款细则 - 联络我们 Current server date and time: 2020.2.16 22:50:43 Page generated: 2019.1.12 01:57:39
Go to top of page