Mineral Evolution Database

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

Mineral locality data provided by mindat.org

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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:
Lewis Co., Washington, USA

Oldest recorded age at locality: 43
Youngest recorded age at locality: 32

mindat Locality ID: 15030
mindat URL: http://www.mindat.org/loc-15030.html

Tectonic Settings:

Total number of sublocalities beneath "Lewis Co., Washington, USA": 42
Total number of bottom-level sublocalities: 27

Number of Child Localities: 15
Child Localities:
Anderson Lake
Cispus River Placers
Doty
Doty Hills
Fryingpan Lake
Kosmos
Logan Hill
Morton District
Mt Rainier District
Mt St Helens District
Ohanapecosh Basalts
Pe Ell
Randle
Ryderwood
Toledo

Latitude: 46°33'9"N
Longitude: 122°36'32"W
Decimal Degree (lat, lon): 46.5525,-122.60888888889

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.

Amorphous	Analcime	Apophyllite	Arsenopyrite	Calcite	Chalcopyrite	Copper	Covellite	Gadolinite	Marcasite
Molybdenite	Mordenite	Natrolite	None	Not in a structural group	Pyrite	Pyrochlore	Pyroxene	Quartz	Rocksalt
Scheelite	Sphalerite	Spinel	Stibnite	Thomsonite

Analcime ()*	Arsenopyrite ()*	Augite ()*	Bornite ()*	Calcite ()*
Chalcopyrite ()*	Cinnabar ()*	Covellite ()*	Datolite ()*	Diopside ()*
Epistilbite ()*	Fluorapophyllite-(K) ()*	Galena ()*	Gold ()*	Laumontite ()*
Linnaeite ()*	Marcasite ()*	Mesolite ()*	Molybdenite ()*	Mordenite ()*
Natrolite ()*	Opal ()*	Pyrite ()*	Quartz ()*	Realgar ()*
Scheelite ()*	Scolecite ()*	Sphalerite ()*	Stibiconite ()*	Stibnite ()*
Thomsonite-Ca ()*	Wairakite ()*

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: Al As Au B C Ca Co Cu F Fe H Hg K Mg Mo Na O Pb S Sb Si W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Analcime Apophyllite Arsenopyrite Calcite Chalcopyrite Copper Covellite Gadolinite Marcasite
Molybdenite Mordenite Natrolite None Not in a structural group Pyrite Pyrochlore Pyroxene Quartz Rocksalt
Scheelite Sphalerite Spinel Stibnite Thomsonite

32 IMA Minerals at location:

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
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			5	284701,284702,284703,284732,284735	1627
Arsenopyrite ()*	Arsenopyrite	FeAsS			2	284722,284723	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			1	284704	2060
Bornite ()*	None	Cu₅FeS₄			2	284722,284723	5516
Calcite ()*	Calcite	Ca(CO₃)	43	32	8	284701,284702,284703,284715,284717,284723,284732,284735	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	284722,284723	27198
Cinnabar ()*	None	HgS	37.5	34.1	4	284713,284714,284715,284718	2600
Covellite ()*	Covellite	CuS			1	284722	4165
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)			1	284732	498
Diopside ()*	Pyroxene	CaMgSi₂O₆			1	284699	4135
Epistilbite ()*	Mordenite	Ca₃[Si₁₈Al₆O₄₈]·16H₂O			1	284708	138
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O			1	284703	303
Galena ()*	Rocksalt	PbS			1	284697	24243
Gold ()*	Copper	Au			1	284729	30554
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	43	32	7	284701,284702,284703,284708,284717,284732,284735	1271
Linnaeite ()*	Spinel	Co²⁺Co³⁺₂S₄			1	284722	249
Marcasite ()*	Marcasite	FeS₂	37.5	34.1	5	284713,284714,284715,284718,284719	5674
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	43	32	3	284702,284717,284732	425
Molybdenite ()*	Molybdenite	MoS₂			1	284722	5800
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	43	32	3	284708,284717,284735	405
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O			4	284701,284703,284732,284735	1236
Opal ()*	Amorphous	SiO₂·nH₂O	37.5	34.1	4	284713,284714,284715,284718	2994
Pyrite ()*	Pyrite	FeS₂			6	284703,284715,284722,284723,284732,284735	39462
Quartz ()*	Quartz	SiO₂	43	32	8	284706,284708,284710,284711,284717,284723,284729,284737	61156
Realgar ()*	None	AsS			1	284697	712
Scheelite ()*	Scheelite	Ca(WO₄)			1	284722	4894
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O			1	284708	390
Sphalerite ()*	Sphalerite	ZnS			2	284697,284722	21482
Stibiconite ()*	Pyrochlore	Sb³⁺Sb⁵⁺₂O₆(OH)			1	284706	446
Stibnite ()*	Stibnite	Sb₂S₃			1	284706	3418
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O			1	284703	452
Wairakite ()*	Analcime	Ca(Si₄Al₂)O₁₂·2H₂O			1	284730	73

3 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-12887	37.5	34.1	35.8±1.7	12887	17806	Lytle-Lynch Mine (Charlotte Mine; Kropolis Mine; Lytle Mine; Lynch Mine), Glenoma, Morton District, Lewis Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-16312	37	32	34+3/-2	16312	15517	Mossyrock Dam, Morton, Morton District, Lewis Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-16329	43	37	40±3	16329	15517	Mossyrock Dam, Morton, Morton District, Lewis Co., Washington, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...