Unalaska Island, Aleutians East Borough, Alaska, USAi
| Regional Level Types | |
|---|---|
| Unalaska Island | Island |
| Aleutians East Borough | Borough |
| Alaska | State |
| USA | Country |
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Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities16 valid minerals.
Detailed Mineral List:
| β Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Anhydrite Formula: CaSO4 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Anthophyllite Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Calcite Formula: CaCO3 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β 'Chlorite Group' Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Cummingtonite Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β 'Hornblende' Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Laumontite Formula: CaAl2Si4O12 · 4H2O Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Magnetite Formula: Fe2+Fe3+2O4 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Montmorillonite Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Mordenite Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Muscovite Formula: KAl2(AlSi3O10)(OH)2 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Muscovite var. Illite Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Pyrite Formula: FeS2 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Quartz Formula: SiO2 Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Sphalerite Formula: ZnS Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Wairakite Formula: Ca(Al2Si4O12) · 2H2O Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
| β Yugawaralite Formula: CaAl2Si6O16 · 4H2O Reference: wwwdggs.dnr.state.ak.us/scan1/ri/text/RI84-23.PDF. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| β | Pyrite | 2.EB.05a | FeS2 |
| β | Sphalerite | 2.CB.05a | ZnS |
| Group 4 - Oxides and Hydroxides | |||
| β | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| β | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| β | Calcite | 5.AB.05 | CaCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| β | Anhydrite | 7.AD.30 | CaSO4 |
| Group 9 - Silicates | |||
| β | Actinolite | 9.DE.10 | β»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| β | Anthophyllite | 9.DD.05 | β»{Mg2}{Mg5}(Si8O22)(OH)2 |
| β | Cummingtonite | 9.DE.05 | β»{Mg2}{Mg5}(Si8O22)(OH)2 |
| β | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| β | Laumontite | 9.GB.10 | CaAl2Si4O12 Β· 4H2O |
| β | Montmorillonite | 9.EC.40 | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 Β· nH2O |
| β | Mordenite | 9.GD.35 | (Na2,Ca,K2)4(Al8Si40)O96 Β· 28H2O |
| β | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| β | var. Illite | 9.EC.15 | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| β | Wairakite | 9.GB.05 | Ca(Al2Si4O12) Β· 2H2O |
| β | Yugawaralite | 9.GB.15 | CaAl2Si6O16 Β· 4H2O |
| Unclassified Minerals, Rocks, etc. | |||
| β | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| β | 'Chlorite Group' | - | |
| β | 'Hornblende' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| H | β Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| H | β Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| H | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| H | β Laumontite | CaAl2Si4O12 · 4H2O |
| H | β Wairakite | Ca(Al2Si4O12) · 2H2O |
| H | β Yugawaralite | CaAl2Si6O16 · 4H2O |
| H | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| H | β Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| H | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| H | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | β Calcite | CaCO3 |
| O | Oxygen | |
| O | β Quartz | SiO2 |
| O | β Anhydrite | CaSO4 |
| O | β Calcite | CaCO3 |
| O | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| O | β Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| O | β Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| O | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| O | β Laumontite | CaAl2Si4O12 · 4H2O |
| O | β Wairakite | Ca(Al2Si4O12) · 2H2O |
| O | β Yugawaralite | CaAl2Si6O16 · 4H2O |
| O | β Magnetite | Fe2+Fe23+O4 |
| O | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| O | β Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| O | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| O | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| F | Fluorine | |
| F | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Na | Sodium | |
| Na | β Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| Na | β Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Mg | Magnesium | |
| Mg | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Mg | β Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Mg | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Mg | β Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Mg | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Al | Aluminium | |
| Al | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | β Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| Al | β Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Al | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Al | β Laumontite | CaAl2Si4O12 · 4H2O |
| Al | β Wairakite | Ca(Al2Si4O12) · 2H2O |
| Al | β Yugawaralite | CaAl2Si6O16 · 4H2O |
| Al | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Al | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | β Quartz | SiO2 |
| Si | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Si | β Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| Si | β Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Si | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Si | β Laumontite | CaAl2Si4O12 · 4H2O |
| Si | β Wairakite | Ca(Al2Si4O12) · 2H2O |
| Si | β Yugawaralite | CaAl2Si6O16 · 4H2O |
| Si | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Si | β Anthophyllite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Si | β Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| Si | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| S | Sulfur | |
| S | β Anhydrite | CaSO4 |
| S | β Pyrite | FeS2 |
| S | β Sphalerite | ZnS |
| K | Potassium | |
| K | β Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| K | β Muscovite var. Illite | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| K | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| K | β Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | β Anhydrite | CaSO4 |
| Ca | β Calcite | CaCO3 |
| Ca | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Ca | β Mordenite | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| Ca | β Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Ca | β Laumontite | CaAl2Si4O12 · 4H2O |
| Ca | β Wairakite | Ca(Al2Si4O12) · 2H2O |
| Ca | β Yugawaralite | CaAl2Si6O16 · 4H2O |
| Ti | Titanium | |
| Ti | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Fe | Iron | |
| Fe | β Pyrite | FeS2 |
| Fe | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Fe | β Magnetite | Fe2+Fe23+O4 |
| Fe | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
| Zn | Zinc | |
| Zn | β Sphalerite | ZnS |
Fossils
There are 2 fossil localities from the PaleoBioDB database within this region.BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.
| Occurrences | 13 | ||||||
|---|---|---|---|---|---|---|---|
| Youngest Fossil Listed | 0.01 Ma (Pleistocene) | ||||||
| Oldest Fossil Listed | 23.0 Ma (Oligocene) | ||||||
| Stratigraphic Units |
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| Fossils from Region | Click here to show the list. | ||||||
| Fossil Localities | Click to show 2 fossil localities |
Localities in this Region
- Alaska
- Aleutians East Borough
- Unalaska Island
- Aleutians East Borough
Other Regions, Features and Areas that Intersect
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