Northeastern rim, Markov Deep, Sierra Leone fracture zone, Mid-Atlantic Ridge complex, Atlantic Oceani
Regional Level Types | |
---|---|
Northeastern rim | - not defined - |
Markov Deep | - not defined - |
Sierra Leone fracture zone | Zone |
Mid-Atlantic Ridge complex | Mid-Ocean Ridge |
Atlantic Ocean | Ocean |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
5° 53' North , 33° 11' West
Latitude & Longitude (decimal):
Mindat Locality ID:
194864
Long-form identifier:
mindat:1:2:194864:9
GUID (UUID V4):
85267328-4889-4874-8a97-c39809af0e22
The walls of the basin are composed of serpentinized peridotites and gabbroids, locally transformed into mylonites and cataclasites, and affected by metasomatic alteration. Intensely altered basalts and dolerites are exposed at the valley bottom, on its flanks, and in the upper part of the slopes; fresh basalts with glassy crusts occur at the valley bottom. The main ore-bearing zone is situated at the foot of the eastern wall, where it is hosted in cataclastic hornblende gabbro and gabbronorite of the FeβTi-oxide series. Ores in metasomatically altered rocks consist of quartzβsulfide and prehniteβsulfide veinlets, disseminated sulfide, and veined copper sulfide ore. At the foot of the eastern wall, immediately below the ore-bearing zone, loose sediments contain grains of native Cu, Pb, Zn, and Sn and intermetallic compounds (isoferroplatinum, tetraferroplatinum, and brass) that were apparently derived from the ore.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
β Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
β Albite Formula: Na(AlSi3O8) |
β 'Ξ±-Brass' Formula: Cu3Zn |
β Anorthite Formula: Ca(Al2Si2O8) |
β 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
β Atacamite Formula: Cu2(OH)3Cl |
β Baddeleyite Formula: ZrO2 |
β Baryte Formula: BaSO4 |
β Bornite Formula: Cu5FeS4 |
β Chalcocite Formula: Cu2S |
β Chalcopyrite Formula: CuFeS2 |
β Chamosite Formula: (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
β Chamosite var. Daphnite Formula: (Fe,Mg)5Al(Si,Al)4O10(OH)8 |
β Chromite Formula: Fe2+Cr3+2O4 |
β Chrysotile Formula: Mg3(Si2O5)(OH)4 |
β Clinochlore Formula: Mg5Al(AlSi3O10)(OH)8 |
β Clinozoisite Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
β Copper Formula: Cu |
β Digenite Formula: Cu9S5 |
β Diopside Formula: CaMgSi2O6 |
β Enstatite Formula: Mg2Si2O6 |
β Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
β 'Fayalite-Forsterite Series' |
β Hematite Formula: Fe2O3 |
β 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
β Ilmenite Formula: Fe2+TiO3 |
β Isoferroplatinum Formula: Pt3Fe |
β Kaersutite Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
β Lead Formula: Pb |
β 'Limonite' |
β Lizardite Formula: Mg3(Si2O5)(OH)4 |
β Magnetite Formula: Fe2+Fe3+2O4 |
β Millerite ? Formula: NiS |
β Opal Formula: SiO2 · nH2O |
β Pargasite Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
β Pentlandite Formula: (NixFey)Ξ£9S8 |
β Prehnite Formula: Ca2Al2Si3O10(OH)2 |
β Pyrite Formula: FeS2 |
β Pyrrhotite Formula: Fe1-xS |
β Quartz Formula: SiO2 |
β Rutile Formula: TiO2 |
β 'Saussurite' |
β Siderite Formula: FeCO3 |
β Sphalerite Formula: ZnS |
β Talc Formula: Mg3Si4O10(OH)2 |
β Tetraferroplatinum Formula: PtFe |
β Tin Formula: Sn |
β Titanite Formula: CaTi(SiO4)O |
β Tremolite Formula: ◻Ca2Mg5(Si8O22)(OH)2 |
β Zinc Formula: Zn |
β Zircon Formula: Zr(SiO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
β | Copper | 1.AA.05 | Cu |
β | Lead | 1.AA.05 | Pb |
β | Zinc | 1.AB.05 | Zn |
β | 'Ξ±-Brass' | 1.AB.10a | Cu3Zn |
β | Tin | 1.AC.10 | Sn |
β | Isoferroplatinum | 1.AG.35 | Pt3Fe |
β | Tetraferroplatinum | 1.AG.40 | PtFe |
Group 2 - Sulphides and Sulfosalts | |||
β | Chalcocite | 2.BA.05 | Cu2S |
β | Digenite | 2.BA.10 | Cu9S5 |
β | Bornite | 2.BA.15 | Cu5FeS4 |
β | Pentlandite | 2.BB.15 | (NixFey)Ξ£9S8 |
β | Sphalerite | 2.CB.05a | ZnS |
β | Chalcopyrite | 2.CB.10a | CuFeS2 |
β | Pyrrhotite | 2.CC.10 | Fe1-xS |
β | Millerite ? | 2.CC.20 | NiS |
β | Pyrite | 2.EB.05a | FeS2 |
Group 3 - Halides | |||
β | Atacamite | 3.DA.10a | Cu2(OH)3Cl |
Group 4 - Oxides and Hydroxides | |||
β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
β | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
β | Hematite | 4.CB.05 | Fe2O3 |
β | Ilmenite | 4.CB.05 | Fe2+TiO3 |
β | Quartz | 4.DA.05 | SiO2 |
β | Opal | 4.DA.10 | SiO2 Β· nH2O |
β | Rutile | 4.DB.05 | TiO2 |
β | Baddeleyite | 4.DE.35 | ZrO2 |
Group 5 - Nitrates and Carbonates | |||
β | Siderite | 5.AB.05 | FeCO3 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
β | Baryte | 7.AD.35 | BaSO4 |
Group 9 - Silicates | |||
β | Chrysotile | 9.. | Mg3(Si2O5)(OH)4 |
β | Zircon | 9.AD.30 | Zr(SiO4) |
β | Titanite | 9.AG.15 | CaTi(SiO4)O |
β | Clinozoisite | 9.BG.05a | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
β | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
β | Enstatite | 9.DA.05 | Mg2Si2O6 |
β | Diopside | 9.DA.15 | CaMgSi2O6 |
β | Tremolite | 9.DE.10 | β»Ca2Mg5(Si8O22)(OH)2 |
β | Actinolite | 9.DE.10 | β»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
β | Kaersutite | 9.DE.15 | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
β | Pargasite | 9.DE.15 | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
β | Prehnite | 9.DP.20 | Ca2Al2Si3O10(OH)2 |
β | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
β | Chamosite var. Daphnite | 9.EC.55 | (Fe,Mg)5Al(Si,Al)4O10(OH)8 |
β | Clinochlore | 9.EC.55 | Mg5Al(AlSi3O10)(OH)8 |
β | Chamosite | 9.EC.55 | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
β | Lizardite | 9.ED.15 | Mg3(Si2O5)(OH)4 |
β | Albite | 9.FA.35 | Na(AlSi3O8) |
β | Anorthite | 9.FA.35 | Ca(Al2Si2O8) |
Unclassified | |||
β | 'Saussurite' | - | |
β | 'Limonite' | - | |
β | 'Hornblende Root Name Group' | - | β»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
β | 'Fayalite-Forsterite Series' | - | |
β | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
H | β Atacamite | Cu2(OH)3Cl |
H | β Chamosite | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
H | β Chrysotile | Mg3(Si2O5)(OH)4 |
H | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
H | β Clinozoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
H | β Chamosite var. Daphnite | (Fe,Mg)5Al(Si,Al)4O10(OH)8 |
H | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
H | β Lizardite | Mg3(Si2O5)(OH)4 |
H | β Opal | SiO2 · nH2O |
H | β Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
H | β Prehnite | Ca2Al2Si3O10(OH)2 |
H | β Talc | Mg3Si4O10(OH)2 |
H | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
H | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
H | β Apatite | Ca5(PO4)3(Cl/F/OH) |
C | Carbon | |
C | β Siderite | FeCO3 |
O | Oxygen | |
O | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
O | β Albite | Na(AlSi3O8) |
O | β Anorthite | Ca(Al2Si2O8) |
O | β Atacamite | Cu2(OH)3Cl |
O | β Baddeleyite | ZrO2 |
O | β Baryte | BaSO4 |
O | β Chamosite | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
O | β Chrysotile | Mg3(Si2O5)(OH)4 |
O | β Chromite | Fe2+Cr23+O4 |
O | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
O | β Clinozoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
O | β Chamosite var. Daphnite | (Fe,Mg)5Al(Si,Al)4O10(OH)8 |
O | β Diopside | CaMgSi2O6 |
O | β Enstatite | Mg2Si2O6 |
O | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
O | β Hematite | Fe2O3 |
O | β Ilmenite | Fe2+TiO3 |
O | β Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
O | β Lizardite | Mg3(Si2O5)(OH)4 |
O | β Magnetite | Fe2+Fe23+O4 |
O | β Opal | SiO2 · nH2O |
O | β Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
O | β Prehnite | Ca2Al2Si3O10(OH)2 |
O | β Quartz | SiO2 |
O | β Rutile | TiO2 |
O | β Siderite | FeCO3 |
O | β Talc | Mg3Si4O10(OH)2 |
O | β Titanite | CaTi(SiO4)O |
O | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
O | β Zircon | Zr(SiO4) |
O | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
O | β Apatite | Ca5(PO4)3(Cl/F/OH) |
F | Fluorine | |
F | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
F | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Na | Sodium | |
Na | β Albite | Na(AlSi3O8) |
Na | β Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
Na | β Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
Mg | Magnesium | |
Mg | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Mg | β Chrysotile | Mg3(Si2O5)(OH)4 |
Mg | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
Mg | β Chamosite var. Daphnite | (Fe,Mg)5Al(Si,Al)4O10(OH)8 |
Mg | β Diopside | CaMgSi2O6 |
Mg | β Enstatite | Mg2Si2O6 |
Mg | β Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
Mg | β Lizardite | Mg3(Si2O5)(OH)4 |
Mg | β Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
Mg | β Talc | Mg3Si4O10(OH)2 |
Mg | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Al | Aluminium | |
Al | β Albite | Na(AlSi3O8) |
Al | β Anorthite | Ca(Al2Si2O8) |
Al | β Chamosite | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
Al | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
Al | β Clinozoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
Al | β Chamosite var. Daphnite | (Fe,Mg)5Al(Si,Al)4O10(OH)8 |
Al | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Al | β Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
Al | β Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
Al | β Prehnite | Ca2Al2Si3O10(OH)2 |
Al | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Si | Silicon | |
Si | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Si | β Albite | Na(AlSi3O8) |
Si | β Anorthite | Ca(Al2Si2O8) |
Si | β Chamosite | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
Si | β Chrysotile | Mg3(Si2O5)(OH)4 |
Si | β Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
Si | β Clinozoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
Si | β Chamosite var. Daphnite | (Fe,Mg)5Al(Si,Al)4O10(OH)8 |
Si | β Diopside | CaMgSi2O6 |
Si | β Enstatite | Mg2Si2O6 |
Si | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Si | β Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
Si | β Lizardite | Mg3(Si2O5)(OH)4 |
Si | β Opal | SiO2 · nH2O |
Si | β Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
Si | β Prehnite | Ca2Al2Si3O10(OH)2 |
Si | β Quartz | SiO2 |
Si | β Talc | Mg3Si4O10(OH)2 |
Si | β Titanite | CaTi(SiO4)O |
Si | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Si | β Zircon | Zr(SiO4) |
Si | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
P | Phosphorus | |
P | β Apatite | Ca5(PO4)3(Cl/F/OH) |
S | Sulfur | |
S | β Baryte | BaSO4 |
S | β Bornite | Cu5FeS4 |
S | β Chalcopyrite | CuFeS2 |
S | β Chalcocite | Cu2S |
S | β Digenite | Cu9S5 |
S | β Millerite | NiS |
S | β Pentlandite | (NixFey)Ξ£9S8 |
S | β Pyrite | FeS2 |
S | β Pyrrhotite | Fe1-xS |
S | β Sphalerite | ZnS |
Cl | Chlorine | |
Cl | β Atacamite | Cu2(OH)3Cl |
Cl | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Cl | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Ca | Calcium | |
Ca | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Ca | β Anorthite | Ca(Al2Si2O8) |
Ca | β Clinozoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
Ca | β Diopside | CaMgSi2O6 |
Ca | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Ca | β Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
Ca | β Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
Ca | β Prehnite | Ca2Al2Si3O10(OH)2 |
Ca | β Titanite | CaTi(SiO4)O |
Ca | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Ca | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Ca | β Apatite | Ca5(PO4)3(Cl/F/OH) |
Ti | Titanium | |
Ti | β Ilmenite | Fe2+TiO3 |
Ti | β Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
Ti | β Rutile | TiO2 |
Ti | β Titanite | CaTi(SiO4)O |
Cr | Chromium | |
Cr | β Chromite | Fe2+Cr23+O4 |
Fe | Iron | |
Fe | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
Fe | β Bornite | Cu5FeS4 |
Fe | β Chalcopyrite | CuFeS2 |
Fe | β Chamosite | (Fe2+)5Al(Si,Al)4O10(OH,O)8 |
Fe | β Chromite | Fe2+Cr23+O4 |
Fe | β Chamosite var. Daphnite | (Fe,Mg)5Al(Si,Al)4O10(OH)8 |
Fe | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Fe | β Hematite | Fe2O3 |
Fe | β Ilmenite | Fe2+TiO3 |
Fe | β Isoferroplatinum | Pt3Fe |
Fe | β Magnetite | Fe2+Fe23+O4 |
Fe | β Pentlandite | (NixFey)Ξ£9S8 |
Fe | β Pyrite | FeS2 |
Fe | β Pyrrhotite | Fe1-xS |
Fe | β Siderite | FeCO3 |
Fe | β Tetraferroplatinum | PtFe |
Ni | Nickel | |
Ni | β Millerite | NiS |
Ni | β Pentlandite | (NixFey)Ξ£9S8 |
Cu | Copper | |
Cu | β Atacamite | Cu2(OH)3Cl |
Cu | β Bornite | Cu5FeS4 |
Cu | β Chalcopyrite | CuFeS2 |
Cu | β Chalcocite | Cu2S |
Cu | β Copper | Cu |
Cu | β Digenite | Cu9S5 |
Cu | β Ξ±-Brass | Cu3Zn |
Zn | Zinc | |
Zn | β Sphalerite | ZnS |
Zn | β Zinc | Zn |
Zn | β Ξ±-Brass | Cu3Zn |
Zr | Zirconium | |
Zr | β Baddeleyite | ZrO2 |
Zr | β Zircon | Zr(SiO4) |
Sn | Tin | |
Sn | β Tin | Sn |
Ba | Barium | |
Ba | β Baryte | BaSO4 |
Pt | Platinum | |
Pt | β Isoferroplatinum | Pt3Fe |
Pt | β Tetraferroplatinum | PtFe |
Pb | Lead | |
Pb | β Lead | Pb |
Other Regions, Features and Areas containing this locality
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.