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Mount Rainier National Park, Washington, USAi
Regional Level Types
Mount Rainier National ParkNational Park
WashingtonState
USACountry

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06845840017273114016645.jpg
Mount Rainier

Mount Rainier National Park, Washington, USA
00132380017273114022570.jpg
Mt. Rainier

Mount Rainier National Park, Washington, USA
03349050017273114026557.jpg
Mt. Rainier

Mount Rainier National Park, Washington, USA
06845840017273114016645.jpg
Mount Rainier

Mount Rainier National Park, Washington, USA
00132380017273114022570.jpg
Mt. Rainier

Mount Rainier National Park, Washington, USA
03349050017273114026557.jpg
Mt. Rainier

Mount Rainier National Park, Washington, USA
03006290017273114033616.jpg
Mount Rainier

Mount Rainier National Park, Washington, USA
00132380017273114022570.jpg
Mt. Rainier

Mount Rainier National Park, Washington, USA
Type:
National Park
Mindat Locality ID:
28222
Long-form identifier:
mindat:1:2:28222:7
GUID (UUID V4):
0


Mt. Rainier is a stratovolcano that is unique in the United States due to the fact that it is currently covered by an elaborate glacial system. About 75,000 years ago the cone reached its estimated greatest height of about 16,000 ft. (4,900m) built up from hundreds of thin lava flows, breccia deposits, and debris and mud flows. Due to weathering and the erosive effects of the Wisconsin glacial stage (about 15,000 years ago), the height of the cone is now 14,410 ft. (4,392m) high. The 25 named glacial lobes that now radiate from the peak are the remnants of the Wisconsin ice.

A typical eruption of Mt. Rainier would be very similar to that seen at Mt. St. Helens in May of 1980. It would be very explosive with a high plume of smoke, ash, and gasses. Lava flows, pyroclastic flows, and lahars resulting from melting glacial ice would also be prevalent. A review of Mt. Rainier’s eruption history indicates that the most recent significant eruptions occurred during the Summerland Eruptive Period (2,700 to 2,000 years ago). From that time to the present there were minor events including some unconfirmed eyewitness accounts by early pioneers.

NOTE: The geographic coordinates presented for this park were taken from the Mount Rainier West topo map. The USGS GNIS database presents 20 sets of coordinates for the park.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

38 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Alunite
Formula: KAl3(SO4)2(OH)6
ⓘ Alunogen
Formula: Al2(SO4)3 · 17H2O
ⓘ Ammoniojarosite
Formula: (NH4)Fe3+3(SO4)2(OH)6
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Habit: hair like crystals
Colour: dark Green
ⓘ 'Amphibole Supergroup var. Byssolite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Habit: hair like crystals
Colour: dark Green
ⓘ Anhydrite
Formula: CaSO4
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Habit: crystals to 1/2"
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Baryte
Formula: BaSO4
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ 'Chabazite'
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Covellite
Formula: CuS
ⓘ Crandallite
Formula: CaAl3(PO4)(PO3OH)(OH)6
ⓘ Cristobalite
Formula: SiO2
ⓘ Dickite
Formula: Al2(Si2O5)(OH)4
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Felsőbányaite
Formula: Al4(SO4)(OH)10 · 4H2O
ⓘ 'Florencite'
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Halite
Formula: NaCl
ⓘ Hematite
Formula: Fe2O3
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'K Feldspar'
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
ⓘ Linnaeite
Formula: Co2+Co3+2S4
ⓘ Maghemite
Formula: (Fe3+0.67◻0.33)Fe3+2O4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Molybdenite
Formula: MoS2
ⓘ Natroalunite
Formula: NaAl3(SO4)2(OH)6
ⓘ Natrojarosite
Formula: NaFe3(SO4)2(OH)6
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Common Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Salammoniac
Formula: NH4Cl
ⓘ 'Scapolite'
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ 'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Tridymite
Formula: SiO2
ⓘ Wairakite
Formula: Ca(Al2Si4O12) · 2H2O
ⓘ Zunyite
Formula: Al13Si5O20(OH,F)18Cl

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘLinnaeite2.DA.05Co2+Co3+2S4
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 3 - Halides
ⓘHalite3.AA.20NaCl
ⓘSalammoniac3.AA.25NH4Cl
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘMaghemite4.BB.15(Fe3+0.67◻0.33)Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz
var. Amethyst		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
ⓘTridymite4.DA.10SiO2
ⓘOpal
var. Common Opal		4.DA.10SiO2 · nH2O
ⓘCristobalite4.DA.15SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘBaryte7.AD.35BaSO4
ⓘAlunite7.BC.10KAl3(SO4)2(OH)6
ⓘAmmoniojarosite7.BC.10(NH4)Fe3+3(SO4)2(OH)6
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
ⓘNatroalunite7.BC.10NaAl3(SO4)2(OH)6
ⓘNatrojarosite7.BC.10NaFe3(SO4)2(OH)6
ⓘAlunogen7.CB.45Al2(SO4)3 · 17H2O
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘFelsőbányaite7.DD.05Al4(SO4)(OH)10 · 4H2O
ⓘScheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘCrandallite8.BL.10CaAl3(PO4)(PO3OH)(OH)6
Group 9 - Silicates
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘZunyite9.BJ.55Al13Si5O20(OH,F)18Cl
ⓘDickite9.ED.05Al2(Si2O5)(OH)4
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘWairakite9.GB.05Ca(Al2Si4O12) · 2H2O
Unclassified
ⓘ'K Feldspar
var. Adularia'		-KAlSi3O8
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chabazite'-
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Scapolite'-
ⓘ'K Feldspar'-
ⓘ'Florencite'-
ⓘ'Amphibole Supergroup
var. Byssolite'		-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AluniteKAl3(SO4)2(OH)6
Hⓘ AlunogenAl2(SO4)3 · 17H2O
Hⓘ Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Hⓘ DickiteAl2(Si2O5)(OH)4
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ NatroaluniteNaAl3(SO4)2(OH)6
Hⓘ NatrojarositeNaFe3(SO4)2(OH)6
Hⓘ OpalSiO2 · nH2O
Hⓘ SalammoniacNH4Cl
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ WairakiteCa(Al2Si4O12) · 2H2O
Hⓘ ZunyiteAl13Si5O20(OH,F)18Cl
Hⓘ Opal var. Common OpalSiO2 · nH2O
Hⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
NNitrogen
Nⓘ Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
Nⓘ SalammoniacNH4Cl
OOxygen
Oⓘ K Feldspar var. AdulariaKAlSi3O8
Oⓘ AluniteKAl3(SO4)2(OH)6
Oⓘ AlunogenAl2(SO4)3 · 17H2O
Oⓘ Quartz var. AmethystSiO2
Oⓘ Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnhydriteCaSO4
Oⓘ BaryteBaSO4
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Oⓘ CristobaliteSiO2
Oⓘ DickiteAl2(Si2O5)(OH)4
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ Maghemite(Fe3+0.67◻0.33)Fe23+O4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ NatroaluniteNaAl3(SO4)2(OH)6
Oⓘ NatrojarositeNaFe3(SO4)2(OH)6
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ TridymiteSiO2
Oⓘ WairakiteCa(Al2Si4O12) · 2H2O
Oⓘ ZunyiteAl13Si5O20(OH,F)18Cl
Oⓘ Opal var. Common OpalSiO2 · nH2O
Oⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ZunyiteAl13Si5O20(OH,F)18Cl
Fⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ HaliteNaCl
Naⓘ NatroaluniteNaAl3(SO4)2(OH)6
Naⓘ NatrojarositeNaFe3(SO4)2(OH)6
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
Alⓘ AluniteKAl3(SO4)2(OH)6
Alⓘ AlunogenAl2(SO4)3 · 17H2O
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Alⓘ DickiteAl2(Si2O5)(OH)4
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ NatroaluniteNaAl3(SO4)2(OH)6
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alⓘ WairakiteCa(Al2Si4O12) · 2H2O
Alⓘ ZunyiteAl13Si5O20(OH,F)18Cl
Alⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Siⓘ K Feldspar var. AdulariaKAlSi3O8
Siⓘ Quartz var. AmethystSiO2
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ CristobaliteSiO2
Siⓘ DickiteAl2(Si2O5)(OH)4
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ TridymiteSiO2
Siⓘ WairakiteCa(Al2Si4O12) · 2H2O
Siⓘ ZunyiteAl13Si5O20(OH,F)18Cl
Siⓘ Opal var. Common OpalSiO2 · nH2O
Siⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
PPhosphorus
Pⓘ CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ AluniteKAl3(SO4)2(OH)6
Sⓘ AlunogenAl2(SO4)3 · 17H2O
Sⓘ Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
Sⓘ AnhydriteCaSO4
Sⓘ ArsenopyriteFeAsS
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ CovelliteCuS
Sⓘ FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ LinnaeiteCo2+Co23+S4
Sⓘ MolybdeniteMoS2
Sⓘ NatroaluniteNaAl3(SO4)2(OH)6
Sⓘ NatrojarositeNaFe3(SO4)2(OH)6
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ HaliteNaCl
Clⓘ SalammoniacNH4Cl
Clⓘ ZunyiteAl13Si5O20(OH,F)18Cl
Clⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
Kⓘ AluniteKAl3(SO4)2(OH)6
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ JarositeKFe33+(SO4)2(OH)6
CaCalcium
Caⓘ AnhydriteCaSO4
Caⓘ CalciteCaCO3
Caⓘ CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ ScheeliteCa(WO4)
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ WairakiteCa(Al2Si4O12) · 2H2O
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Feⓘ Ammoniojarosite(NH4)Fe33+(SO4)2(OH)6
Feⓘ ArsenopyriteFeAsS
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ Maghemite(Fe3+0.67◻0.33)Fe23+O4
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ NatrojarositeNaFe3(SO4)2(OH)6
Feⓘ PyriteFeS2
CoCobalt
Coⓘ LinnaeiteCo2+Co23+S4
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ MalachiteCu2(CO3)(OH)2
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
MoMolybdenum
Moⓘ MolybdeniteMoS2
BaBarium
Baⓘ BaryteBaSO4
WTungsten
Wⓘ ScheeliteCa(WO4)

Fossils

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Localities in this Region

USA
USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate

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.

References

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.
en.wikipedia.org (n.d.) https://en.wikipedia.org/wiki/Mount_Rainier_National_Park
en.wikipedia.org (n.d.) https://en.wikipedia.org/wiki/Mount_Rainier
Graham, J. (2005) Mount Rainier National Park, Geologic Resource Evaluation Report. Natural Resource Report 2005/007. National Park Service
USGS (2014) Holocene, or Post-Glacial, Eruptions of Mount Rainier.
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