Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Pierce Co., Washington, USA

Oldest recorded age at locality: 19.8
Youngest recorded age at locality: 16.2

mindat Locality ID: 17542
mindat URL: http://www.mindat.org/loc-17542.html

Tectonic Settings:

Total number of sublocalities beneath "Pierce Co., Washington, USA": 56
Total number of bottom-level sublocalities: 37

Number of Child Localities: 18
Child Localities:
Carbon River District
Chinook Pass
Coplay Lake
Cowcowan Creek
Crystal Mountain
Eatonville
Enumclaw
Fairfax
Fifes Peak Area
McMillan Travertine Deposit
Mount Rainier National Park
Ohanapecosh Basalts
Old Baldy Mountain
Orting
Pitcher Mountain
Prairie Creek
Summit District
Tacoma

Latitude: 46°47'39"N
Longitude: 121°45'28"W
Decimal Degree (lat, lon): 46.794166666667,-121.75777777778

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Allophane	Alunite	Amorphous	Analcime	Arsenopyrite	Atacamite	Baryte	Brochantite	Calcite	Chalcopyrite
Clay	Clinozoisite	Copiapite	Copper	Corundum	Cristobalite	Diaspore	Epidote	Gypsum	Kaolinite
Malachite	Marcasite	Mica	Nickeline	None	Not in a structural group	Prehnite	Pyrite	Pyroxene	Quartz
Rocksalt	Sphalerite	Spinel	Titanite	Tridymite

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au Ba C Ca Cl Cu F Fe H Hg K Mg N Na O P Pb S Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Alunite Amorphous Analcime Arsenopyrite Atacamite Baryte Brochantite Calcite Chalcopyrite
Clay Clinozoisite Copiapite Copper Corundum Cristobalite Diaspore Epidote Gypsum Kaolinite
Malachite Marcasite Mica Nickeline None Not in a structural group Prehnite Pyrite Pyroxene Quartz
Rocksalt Sphalerite Spinel Titanite Tridymite

58 IMA Minerals at location:

Alunite ()*	Alunogen ()*	Ammoniojarosite ()*	Anglesite ()*	Anhydrite ()*
Arsenopyrite ()*	Atacamite ()*	Baryte ()*	Boleite ()*	Bornite ()*
Botallackite ()*	Brochantite ()*	Calcite ()*	Celadonite ()*	Chalcopyrite ()*
Chrysocolla ()*	Cinnabar ()*	Copiapite ()*	Copper ()*	Crandallite ()*
Cristobalite ()*	Cuprite ()*	Dickite ()*	Epidote ()*	Felsőbányaite ()*
Galena ()*	Goethite ()*	Gold ()*	Graphite ()*	Gypsum ()*
Halite ()*	Hedenbergite ()*	Hematite ()*	Jarosite ()*	Kaolinite ()*
Langite ()*	Laumontite ()*	Maghemite ()*	Magnetite ()*	Malachite ()*
Marcasite ()*	Natroalunite ()*	Natrojarosite ()*	Opal ()*	Phosgenite ()*
Posnjakite ()*	Prehnite ()*	Pseudoboleite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Salammoniac ()*	Silhydrite ()*	Sphalerite ()*	Titanite ()*
Tridymite ()*	Wairakite ()*	Zunyite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Alunite ()*	None	KAl₃(SO₄)₂(OH)₆			4	285378,285383,285387,285391	966
Alunogen ()*	Not in a structural group	Al₂(SO₄)₃(H₂O)₁₂·5H₂O	19.8	16.2	1	285383	272
Ammoniojarosite ()*	Alunite	(NH₄)Fe³⁺₃(SO₄)₂(OH)₆	19.8	16.2	1	285383	30
Anglesite ()*	Baryte	Pb(SO₄)			1	285412	2734
Anhydrite ()*	Not in a structural group	Ca(SO₄)			2	285383,285391	1588
Arsenopyrite ()*	Arsenopyrite	FeAsS			3	285402,285407,285408	9052
Atacamite ()*	Atacamite	Cu₂Cl(OH)₃			1	285412	544
Baryte ()*	Baryte	Ba(SO₄)	19.8	16.2	1	285383	11547
Boleite ()*	None	KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈			1	285412	65
Bornite ()*	None	Cu₅FeS₄			1	285365	5516
Botallackite ()*	Atacamite	Cu₂Cl(OH)₃			1	285412	49
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆			1	285412	1633
Calcite ()*	Calcite	Ca(CO₃)			6	285363,285378,285382,285400,285407,285408	27770
Celadonite ()*	Mica Clay	KMgFe³⁺Si₄O₁₀(OH)₂			1	285381	309
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			12	285359,285363,285365,285370,285389,285393,285396,285397,285398,285402,285407,285408	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			1	285365	3531
Cinnabar ()*	None	HgS			1	285375	2600
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O			1	285387	382
Copper ()*	Copper	Cu			1	285374	3846
Crandallite ()*	Alunite	CaAl₃(PO₄)(PO₃OH)(OH)₆	19.8	16.2	1	285383	310
Cristobalite ()*	Cristobalite	SiO₂	19.8	16.2	1	285383	453
Cuprite ()*	Not in a structural group	Cu₂O			1	285412	2970
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	19.8	16.2	1	285383	651
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	19.8	16.2	1	285386	8173
Felsőbányaite ()*	None	Al₄(SO₄)(OH)₁₀·4H₂O	19.8	16.2	1	285383	66
Galena ()*	Rocksalt	PbS			2	285407,285408	24243
Goethite ()*	Diaspore	FeO(OH)	19.8	16.2	1	285383	7437
Gold ()*	Copper	Au			2	285372,285409	30554
Graphite ()*	None	C			1	285403	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			5	285383,285387,285391,285400,285412	6890
Halite ()*	Rocksalt	NaCl	19.8	16.2	2	285383,285412	1398
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆			1	285412	741
Hematite ()*	Corundum	Fe₂O₃			3	285383,285389,285412	14640
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			3	285383,285387,285391	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			3	285383,285387,285391	5591
Langite ()*	None	Cu₄(SO₄)(OH)₆·2H₂O			1	285412	593
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	285378	1271
Maghemite ()*	Spinel	(Fe³⁺_0.67 _0.33)Fe³⁺₂O₄	19.8	16.2	1	285383	229
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	19.8	16.2	1	285386	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			3	285368,285389,285402	12537
Marcasite ()*	Marcasite	FeS₂			1	285408	5674
Natroalunite ()*	Alunite	NaAl₃(SO₄)₂(OH)₆	19.8	16.2	1	285383	128
Natrojarosite ()*	Alunite	NaFe³⁺₃(SO₄)₂(OH)₆	19.8	16.2	1	285383	254
Opal ()*	Amorphous	SiO₂·nH₂O	19.8	16.2	1	285383	2994
Phosgenite ()*	None	Pb₂(CO₃)Cl₂			1	285412	142
Posnjakite ()*	None	Cu₄(SO₄)(OH)₆·H₂O			1	285412	309
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			1	285366	1898
Pseudoboleite ()*	None	Pb₃₁Cu₂₄Cl₆₂(OH)₄₈			1	285412	33
Pyrite ()*	Pyrite	FeS₂	19.8	16.2	7	285359,285365,285368,285383,285402,285407,285408	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	285408	9056
Quartz ()*	Quartz	SiO₂	19.8	16.2	13	285365,285368,285371,285375,285378,285383,285388,285389,285390,285396,285402,285407,285408	61156
Salammoniac ()*	None	(NH₄)Cl	19.8	16.2	1	285383	105
Silhydrite ()*	None	Si₃O₆·H₂O			1	285391	6
Sphalerite ()*	Sphalerite	ZnS			2	285407,285408	21482
Titanite ()*	Titanite	CaTi(SiO₄)O	19.8	16.2	1	285386	4899
Tridymite ()*	Tridymite	SiO₂	19.8	16.2	1	285383	458
Wairakite ()*	Analcime	Ca(Si₄Al₂)O₁₂·2H₂O	19.8	16.2	2	285383,285394	73
Zunyite ()*	None	Al₁₃Si₅O₂₀(OH,F)₁₈Cl	19.8	16.2	1	285383	86

11 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-60037	19.8	16.2	18±1.8	60037	15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-60038	19.8	16.2	18±1.8	60038	15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9275	19.8	16.2	18±1.8	9275	15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9286	19.8	16.2	18±1.8	9286	15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9293	19.8	16.2	18±1.8	9293	15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9295	19.8	16.2	18±1.8	9295	15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9296	19.8	16.2	18±1.8	9296	15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9288	19.8	16.2	18±1.8	9288	15770	Plummer Peak, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9298	19.8	16.2	18±1.8	9298	15770	Plummer Peak, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9310	19.8	16.2	18±1.8	9310	15770	Plummer Peak, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-9313	19.8	16.2	18±1.8	9313	15770	Plummer Peak, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...