Koidu-Yengema, Kono District, Eastern Province, Sierra Leonei
Regional Level Types | |
---|---|
Koidu-Yengema | Mining Area |
Kono District | District |
Eastern Province | Province |
Sierra Leone | Country |
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Latitude & Longitude (WGS84):
8° 37' 50'' North , 10° 58' 20'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
10167
Long-form identifier:
mindat:1:2:10167:6
GUID (UUID V4):
eeb5cf15-46d0-44ad-a123-de03a5dc459d
A diamond mining area in kimberlite 250 km east of Freetown.
The mining area is 4km² and comprised of two kimberlite pipes and four dyke zones.
Crustal xenoliths are typically diabase, amphibolites, and granite.
GPS coordinates are for the town of Koidu.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
24 valid minerals.
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:
ⓘ Almandine Formula: Fe2+3Al2(SiO4)3 |
ⓘ 'Amphibole Supergroup' Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
ⓘ Calcite Formula: CaCO3 |
ⓘ 'Chlorite Group' |
ⓘ Corundum Formula: Al2O3 |
ⓘ Diamond Formula: C References: |
ⓘ Diopside Formula: CaMgSi2O6 References: |
ⓘ 'Fayalite-Forsterite Series' References: |
ⓘ Graphite Formula: C |
ⓘ Grossular Formula: Ca3Al2(SiO4)3 |
ⓘ Hematite Formula: Fe2O3 |
ⓘ Ilmenite Formula: Fe2+TiO3 |
ⓘ Iron Formula: Fe |
ⓘ Jadeite Formula: Na(Al,Fe3+)Si2O6 |
ⓘ Kyanite Formula: Al2(SiO4)O |
ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
ⓘ Magnetite var. Titanium-bearing Magnetite Formula: Fe2+(Fe3+,Ti)2O4 |
ⓘ Omphacite Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6 |
ⓘ Perovskite Formula: CaTiO3 |
ⓘ Phlogopite Formula: KMg3(AlSi3O10)(OH)2 |
ⓘ Pyrite Formula: FeS2 |
ⓘ Pyrope Formula: Mg3Al2(SiO4)3 |
ⓘ Pyrrhotite Formula: Fe1-xS |
ⓘ Quartz Formula: SiO2 |
ⓘ Rutile Formula: TiO2 |
ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
ⓘ Titanite Formula: CaTi(SiO4)O |
ⓘ Titanomaghemite Formula: (Ti4+0.5◻0.5)Fe3+2O4 |
ⓘ 'UM1985-06-O:CrFeMgTi' Formula: (Fe2+,Mg,Ti,Cr)6O7 |
ⓘ Wüstite Formula: FeO |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
ⓘ | Diamond | 1.CB.10a | C |
ⓘ | Graphite | 1.CB.05a | C |
ⓘ | Iron | 1.AE.05 | Fe |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Pyrite | 2.EB.05a | FeS2 |
ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Corundum | 4.CB.05 | Al2O3 |
ⓘ | Hematite | 4.CB.05 | Fe2O3 |
ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
ⓘ | var. Titanium-bearing Magnetite | 4.BB.05 | Fe2+(Fe3+,Ti)2O4 |
ⓘ | Perovskite | 4.CC.30 | CaTiO3 |
ⓘ | Quartz | 4.DA.05 | SiO2 |
ⓘ | Rutile | 4.DB.05 | TiO2 |
ⓘ | Titanomaghemite | 4.BB.15 | (Ti4+0.5◻0.5)Fe3+2O4 |
ⓘ | Wüstite | 4.AB.25 | FeO |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Calcite | 5.AB.05 | CaCO3 |
Group 9 - Silicates | |||
ⓘ | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
ⓘ | Grossular | 9.AD.25 | Ca3Al2(SiO4)3 |
ⓘ | Jadeite | 9.DA.25 | Na(Al,Fe3+)Si2O6 |
ⓘ | Kyanite | 9.AF.15 | Al2(SiO4)O |
ⓘ | Omphacite | 9.DA.20 | (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6 |
ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
ⓘ | Pyrope | 9.AD.25 | Mg3Al2(SiO4)3 |
ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
Unclassified Minerals, Rocks, etc. | |||
ⓘ | 'Amphibole Supergroup' | - | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
ⓘ | 'Chlorite Group' | - | |
ⓘ | 'Fayalite-Forsterite Series' | - | |
ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
ⓘ | 'UM1985-06-O:CrFeMgTi' | - | (Fe2+,Mg,Ti,Cr)6O7 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
H | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
C | Carbon | |
C | ⓘ Diamond | C |
C | ⓘ Calcite | CaCO3 |
C | ⓘ Graphite | C |
O | Oxygen | |
O | ⓘ UM1985-06-O:CrFeMgTi | (Fe2+,Mg,Ti,Cr)6O7 |
O | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
O | ⓘ Hematite | Fe2O3 |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
O | ⓘ Ilmenite | Fe2+TiO3 |
O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
O | ⓘ Titanomaghemite | (Ti4+0.5◻0.5)Fe23+O4 |
O | ⓘ Titanite | CaTi(SiO4)O |
O | ⓘ Rutile | TiO2 |
O | ⓘ Wüstite | FeO |
O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
O | ⓘ Calcite | CaCO3 |
O | ⓘ Perovskite | CaTiO3 |
O | ⓘ Diopside | CaMgSi2O6 |
O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
O | ⓘ Kyanite | Al2(SiO4)O |
O | ⓘ Corundum | Al2O3 |
O | ⓘ Quartz | SiO2 |
O | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
O | ⓘ Pyrope | Mg3Al2(SiO4)3 |
O | ⓘ Grossular | Ca3Al2(SiO4)3 |
O | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
O | ⓘ Almandine | Fe32+Al2(SiO4)3 |
O | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
F | Fluorine | |
F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
F | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Na | Sodium | |
Na | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
Na | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
Mg | Magnesium | |
Mg | ⓘ UM1985-06-O:CrFeMgTi | (Fe2+,Mg,Ti,Cr)6O7 |
Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Mg | ⓘ Diopside | CaMgSi2O6 |
Mg | ⓘ Pyrope | Mg3Al2(SiO4)3 |
Mg | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
Al | Aluminium | |
Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Al | ⓘ Kyanite | Al2(SiO4)O |
Al | ⓘ Corundum | Al2O3 |
Al | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Al | ⓘ Pyrope | Mg3Al2(SiO4)3 |
Al | ⓘ Grossular | Ca3Al2(SiO4)3 |
Al | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
Al | ⓘ Almandine | Fe32+Al2(SiO4)3 |
Al | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
Si | Silicon | |
Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
Si | ⓘ Titanite | CaTi(SiO4)O |
Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Si | ⓘ Diopside | CaMgSi2O6 |
Si | ⓘ Kyanite | Al2(SiO4)O |
Si | ⓘ Quartz | SiO2 |
Si | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Si | ⓘ Pyrope | Mg3Al2(SiO4)3 |
Si | ⓘ Grossular | Ca3Al2(SiO4)3 |
Si | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
Si | ⓘ Almandine | Fe32+Al2(SiO4)3 |
Si | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
P | Phosphorus | |
P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
S | Sulfur | |
S | ⓘ Pyrrhotite | Fe1-xS |
S | ⓘ Pyrite | FeS2 |
Cl | Chlorine | |
Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Cl | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
K | Potassium | |
K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
Ca | Calcium | |
Ca | ⓘ Titanite | CaTi(SiO4)O |
Ca | ⓘ Calcite | CaCO3 |
Ca | ⓘ Perovskite | CaTiO3 |
Ca | ⓘ Diopside | CaMgSi2O6 |
Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Ca | ⓘ Grossular | Ca3Al2(SiO4)3 |
Ca | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
Ti | Titanium | |
Ti | ⓘ UM1985-06-O:CrFeMgTi | (Fe2+,Mg,Ti,Cr)6O7 |
Ti | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
Ti | ⓘ Ilmenite | Fe2+TiO3 |
Ti | ⓘ Titanomaghemite | (Ti4+0.5◻0.5)Fe23+O4 |
Ti | ⓘ Titanite | CaTi(SiO4)O |
Ti | ⓘ Rutile | TiO2 |
Ti | ⓘ Perovskite | CaTiO3 |
Ti | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Cr | Chromium | |
Cr | ⓘ UM1985-06-O:CrFeMgTi | (Fe2+,Mg,Ti,Cr)6O7 |
Fe | Iron | |
Fe | ⓘ UM1985-06-O:CrFeMgTi | (Fe2+,Mg,Ti,Cr)6O7 |
Fe | ⓘ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
Fe | ⓘ Hematite | Fe2O3 |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Ilmenite | Fe2+TiO3 |
Fe | ⓘ Titanomaghemite | (Ti4+0.5◻0.5)Fe23+O4 |
Fe | ⓘ Pyrrhotite | Fe1-xS |
Fe | ⓘ Pyrite | FeS2 |
Fe | ⓘ Wüstite | FeO |
Fe | ⓘ Iron | Fe |
Fe | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
Fe | ⓘ Almandine | Fe32+Al2(SiO4)3 |
Fe | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
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