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Bambuta, Bomi Co., Liberia

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Key
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Latitude & Longitude (WGS84): 6° 56' 15'' North , 10° 33' 15'' West
Latitude & Longitude (decimal): 6.93750,-10.55417
GeoHash:G#: ec0rryfty
Köppen climate type:Am : Tropical monsoon climate


Iron ore (phosphate) deposit located about 35 km east of Bomi Hills.

Regions containing this locality

West Africa

UN Subregion - 511 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

Augelite
Formula: Al2(PO4)(OH)3
Reference: Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Barbosalite
Formula: Fe2+Fe3+2(PO4)2(OH)2
Reference: Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
'Barrandite'
Reference: Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Hematite
Formula: Fe2O3
Reference: Axelrod, J. M., Carron, M. K., Milton, Charles, and Thayer, T. P., 1952, Phosphate Mineralization at Bomi Hill and Bambuta, Liberia, West Africa, American Mineralogist, v 37, p 883-909.; Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Axelrod, J. M., Carron, M. K., Milton, Charles, and Thayer, T. P., 1952, Phosphate Mineralization at Bomi Hill and Bambuta, Liberia, West Africa, American Mineralogist, v 37, p 883-909.; Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Metavariscite
Formula: AlPO4 · 2H2O
Reference: Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Phosphosiderite
Formula: FePO4 · 2H2O
Reference: Axelrod, J. M., Carron, M. K., Milton, Charles, and Thayer, T. P., 1952, Phosphate Mineralization at Bomi Hill and Bambuta, Liberia, West Africa, American Mineralogist, v 37, p 883-909.; Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Quartz
Formula: SiO2
Reference: Axelrod, J. M., Carron, M. K., Milton, Charles, and Thayer, T. P., 1952, Phosphate Mineralization at Bomi Hill and Bambuta, Liberia, West Africa, American Mineralogist, v 37, p 883-909.; Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Strengite
Formula: FePO4 · 2H2O
Reference: Axelrod, J. M., Carron, M. K., Milton, Charles, and Thayer, T. P., 1952, Phosphate Mineralization at Bomi Hill and Bambuta, Liberia, West Africa, American Mineralogist, v 37, p 883-909.; Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Turquoise
Formula: Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Reference: Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Variscite
Formula: AlPO4 · 2H2O
Reference: Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480
Wavellite
Formula: Al3(PO4)2(OH,F)3 · 5H2O
Reference: Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Hematite'4.CB.05Fe2O3
'Magnetite'4.BB.05Fe2+Fe3+2O4
'Quartz'4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
'Augelite'8.BE.05Al2(PO4)(OH)3
'Barbosalite'8.BB.40Fe2+Fe3+2(PO4)2(OH)2
'Metavariscite'8.CD.05AlPO4 · 2H2O
'Phosphosiderite'8.CD.05FePO4 · 2H2O
'Strengite'8.CD.10FePO4 · 2H2O
'Turquoise'8.DD.15Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
'Variscite'8.CD.10AlPO4 · 2H2O
'Wavellite'8.DC.50Al3(PO4)2(OH,F)3 · 5H2O
Unclassified Minerals, Rocks, etc.
'Barrandite'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Metavariscite40.4.3.1AlPO4 · 2H2O
Phosphosiderite40.4.3.2FePO4 · 2H2O
Strengite40.4.1.2FePO4 · 2H2O
Variscite40.4.1.1AlPO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A2(XO4)Zq
Augelite41.6.8.1Al2(PO4)(OH)3
(AB)3(XO4)2Zq
Barbosalite41.10.1.4Fe2+Fe3+2(PO4)2(OH)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)4Zq·xH2O
Turquoise42.9.3.1Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
A3(XO4)2Zq·xH2O
Wavellite42.10.2.1Al3(PO4)2(OH,F)3 · 5H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Barrandite'-

List of minerals for each chemical element

HHydrogen
H AugeliteAl2(PO4)(OH)3
H BarbosaliteFe2+Fe23+(PO4)2(OH)2
H MetavarisciteAlPO4 · 2H2O
H PhosphosideriteFePO4 · 2H2O
H StrengiteFePO4 · 2H2O
H TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
H VarisciteAlPO4 · 2H2O
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
OOxygen
O AugeliteAl2(PO4)(OH)3
O BarbosaliteFe2+Fe23+(PO4)2(OH)2
O HematiteFe2O3
O MagnetiteFe2+Fe23+O4
O MetavarisciteAlPO4 · 2H2O
O PhosphosideriteFePO4 · 2H2O
O QuartzSiO2
O StrengiteFePO4 · 2H2O
O TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
O VarisciteAlPO4 · 2H2O
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
AlAluminium
Al AugeliteAl2(PO4)(OH)3
Al MetavarisciteAlPO4 · 2H2O
Al TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Al VarisciteAlPO4 · 2H2O
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
SiSilicon
Si QuartzSiO2
PPhosphorus
P AugeliteAl2(PO4)(OH)3
P BarbosaliteFe2+Fe23+(PO4)2(OH)2
P MetavarisciteAlPO4 · 2H2O
P PhosphosideriteFePO4 · 2H2O
P StrengiteFePO4 · 2H2O
P TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
P VarisciteAlPO4 · 2H2O
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
FeIron
Fe BarbosaliteFe2+Fe23+(PO4)2(OH)2
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe PhosphosideriteFePO4 · 2H2O
Fe StrengiteFePO4 · 2H2O
Fe TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
CuCopper
Cu TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O

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

Archean
2500 - 4000 Ma



ID: 3186476
Archean crystalline metamorphic rocks

Age: Archean (2500 - 4000 Ma)

Lithology: Orthogneiss/paragneiss

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]

Paleoarchean
3200 - 3600 Ma



ID: 3306548

Age: Paleoarchean (3200 - 3600 Ma)

Lithology: Volcanic-sedimentary and metamorphic

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

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Axelrod, J. M., Carron, M. K., Milton, Charles, and Thayer, T. P., 1952, Phosphate Mineralization at Bomi Hill and Bambuta, Liberia, West Africa, American Mineralogist, v 37, p 883-909.
Sam Rosenblum and S.P. Srivastava (1979) The Bambuta phosphate deposit, Liberia; a reconnaissance report. USGS Bulletin 1480


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