Regional Level Types | |
---|---|
Granophyre outcrops | Group ofOutcrops |
Alid volcanic center | - not defined - |
Northern Red Sea Region | Region |
Eritrea | Country |
ⓘAlbite Formula:Na(AlSi3O8) |
ⓘAlbite var. Anorthoclase Formula:(Na,K)AlSi3O8 |
ⓘAnnite Formula:KFe2+3(AlSi3O10)(OH)2 |
ⓘ'Apatite' Formula:Ca5(PO4)3(Cl/F/OH) |
ⓘAugite Formula:(CaxMgyFez)(Mgy1Fez1)Si2O6 Description: Ferroaugite. |
ⓘ'Biotite' Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
ⓘChevkinite-(Ce) Formula:Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
ⓘ'Chlorite Group' Description: In miarolitic cavities. |
ⓘDiopside Formula:CaMgSi2O6 Description: Ferrosalite. |
ⓘFayalite Formula:Fe2+2SiO4 Description: In pyroxene rhyolite lava of east flank of Alid Mountain. |
ⓘFluorite Formula:CaF2 |
ⓘHedenbergite Formula:CaFe2+Si2O6 |
ⓘMagnetite Formula:Fe2+Fe3+2O4 |
ⓘPhlogopite Formula:KMg3(AlSi3O10)(OH)2 |
ⓘPyrrhotite Formula:Fe1-xS |
ⓘQuartz Formula:SiO2 |
ⓘSanidine Formula:K(AlSi3O8) |
ⓘZircon Formula:Zr(SiO4) |
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
Group 3 - Halides | |||
ⓘ | Fluorite | 3.AB.25 | CaF2 |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
ⓘ | Quartz | 4.DA.05 | SiO2 |
Group 9 - Silicates | |||
ⓘ | Fayalite | 9.AC.05 | Fe2+2SiO4 |
ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
ⓘ | Chevkinite-(Ce) | 9.BE.70 | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
ⓘ | Hedenbergite | 9.DA.15 | CaFe2+Si2O6 |
ⓘ | Annite | 9.EC.20 | KFe2+3(AlSi3O10)(OH)2 |
ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
ⓘ | Sanidine | 9.FA.30 | K(AlSi3O8) |
ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
ⓘ | var. Anorthoclase | 9.FA.35 | (Na,K)AlSi3O8 |
Unclassified | |||
ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
ⓘ | 'Chlorite Group' | - | |
ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
H | Hydrogen | |
---|---|---|
H | ⓘAnnite | KFe32+(AlSi3O10)(OH)2 |
H | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
H | ⓘPhlogopite | KMg3(AlSi3O10)(OH)2 |
H | ⓘApatite | Ca5(PO4)3(Cl/F/OH) |
O | Oxygen | |
O | ⓘAlbite | Na(AlSi3O8) |
O | ⓘAnnite | KFe32+(AlSi3O10)(OH)2 |
O | ⓘAlbite var.Anorthoclase | (Na,K)AlSi3O8 |
O | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
O | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
O | ⓘDiopside | CaMgSi2O6 |
O | ⓘFayalite | Fe22+SiO4 |
O | ⓘHedenbergite | CaFe2+Si2O6 |
O | ⓘMagnetite | Fe2+Fe23+O4 |
O | ⓘPhlogopite | KMg3(AlSi3O10)(OH)2 |
O | ⓘQuartz | SiO2 |
O | ⓘSanidine | K(AlSi3O8) |
O | ⓘZircon | Zr(SiO4) |
O | ⓘChevkinite-(Ce) | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
O | ⓘApatite | Ca5(PO4)3(Cl/F/OH) |
F | Fluorine | |
F | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
F | ⓘFluorite | CaF2 |
F | ⓘApatite | Ca5(PO4)3(Cl/F/OH) |
Na | Sodium | |
Na | ⓘAlbite | Na(AlSi3O8) |
Na | ⓘAlbite var.Anorthoclase | (Na,K)AlSi3O8 |
Mg | Magnesium | |
Mg | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Mg | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Mg | ⓘDiopside | CaMgSi2O6 |
Mg | ⓘPhlogopite | KMg3(AlSi3O10)(OH)2 |
Al | Aluminium | |
Al | ⓘAlbite | Na(AlSi3O8) |
Al | ⓘAnnite | KFe32+(AlSi3O10)(OH)2 |
Al | ⓘAlbite var.Anorthoclase | (Na,K)AlSi3O8 |
Al | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Al | ⓘPhlogopite | KMg3(AlSi3O10)(OH)2 |
Al | ⓘSanidine | K(AlSi3O8) |
Si | Silicon | |
Si | ⓘAlbite | Na(AlSi3O8) |
Si | ⓘAnnite | KFe32+(AlSi3O10)(OH)2 |
Si | ⓘAlbite var.Anorthoclase | (Na,K)AlSi3O8 |
Si | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Si | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Si | ⓘDiopside | CaMgSi2O6 |
Si | ⓘFayalite | Fe22+SiO4 |
Si | ⓘHedenbergite | CaFe2+Si2O6 |
Si | ⓘPhlogopite | KMg3(AlSi3O10)(OH)2 |
Si | ⓘQuartz | SiO2 |
Si | ⓘSanidine | K(AlSi3O8) |
Si | ⓘZircon | Zr(SiO4) |
Si | ⓘChevkinite-(Ce) | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
P | Phosphorus | |
P | ⓘApatite | Ca5(PO4)3(Cl/F/OH) |
S | Sulfur | |
S | ⓘPyrrhotite | Fe1-xS |
Cl | Chlorine | |
Cl | ⓘApatite | Ca5(PO4)3(Cl/F/OH) |
K | Potassium | |
K | ⓘAnnite | KFe32+(AlSi3O10)(OH)2 |
K | ⓘAlbite var.Anorthoclase | (Na,K)AlSi3O8 |
K | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
K | ⓘPhlogopite | KMg3(AlSi3O10)(OH)2 |
K | ⓘSanidine | K(AlSi3O8) |
Ca | Calcium | |
Ca | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Ca | ⓘDiopside | CaMgSi2O6 |
Ca | ⓘFluorite | CaF2 |
Ca | ⓘHedenbergite | CaFe2+Si2O6 |
Ca | ⓘApatite | Ca5(PO4)3(Cl/F/OH) |
Ti | Titanium | |
Ti | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Ti | ⓘChevkinite-(Ce) | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
Fe | Iron | |
Fe | ⓘAnnite | KFe32+(AlSi3O10)(OH)2 |
Fe | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | ⓘBiotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Fe | ⓘFayalite | Fe22+SiO4 |
Fe | ⓘHedenbergite | CaFe2+Si2O6 |
Fe | ⓘMagnetite | Fe2+Fe23+O4 |
Fe | ⓘPyrrhotite | Fe1-xS |
Fe | ⓘChevkinite-(Ce) | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |
Zr | Zirconium | |
Zr | ⓘZircon | Zr(SiO4) |
Ce | Cerium | |
Ce | ⓘChevkinite-(Ce) | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 |