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:
Cowlitz Co., Washington, USA

Oldest recorded age at locality: 39.6
Youngest recorded age at locality: 32.2

mindat Locality ID: 17518
mindat URL: http://www.mindat.org/loc-17518.html

Tectonic Settings:

Total number of sublocalities beneath "Cowlitz Co., Washington, USA": 35
Total number of bottom-level sublocalities: 24

Number of Child Localities: 10
Child Localities:
5700 Road
Abernathy Pit
Kalama Area
Longview
Rainier
Signal Peak
Silver Lake
Toutle
Toutle River
Wolf Point

Latitude: 46°15'8"N
Longitude: 122°49'10"W
Decimal Degree (lat, lon): 46.252222222222,-122.81944444444

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.

Analcime	Aragonite	Calcite	Chabazite	Clay	Copper	Diaspore	Gyrolite	Lepidocrocite	Mica
Mordenite	Natrolite	None	Not in a structural group	Pyrite	Quartz	Thomsonite

Analcime ()*	Aragonite ()*	Böhmite ()*	Calcite ()*	Celadonite ()*
Chabazite-Ca ()*	Copper ()*	Cowlesite ()*	Diaspore ()*	Dolomite ()*
Epistilbite ()*	Gibbsite ()*	Gonnardite ()*	Gyrolite ()*	Laumontite ()*
Mesolite ()*	Mordenite ()*	Natrolite ()*	Offretite ()*	Okenite ()*
Pyrite ()*	Quartz ()*	Scolecite ()*	Siderite ()*	Thomsonite-Ca ()*
Wairakite ()*	Yugawaralite ()*

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 C Ca Cu Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Aragonite Calcite Chabazite Clay Copper Diaspore Gyrolite Lepidocrocite Mica
Mordenite Natrolite None Not in a structural group Pyrite Quartz Thomsonite

27 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	39.6	32.2	10	283963,283964,283966,283968,283972,283978,283983,283990,283993,283994	1627
Aragonite ()*	Aragonite	Ca(CO₃)			3	283963,283966,283970	3250
Böhmite ()*	Lepidocrocite	AlO(OH)			1	283974	195
Calcite ()*	Calcite	Ca(CO₃)	39.6	32.2	15	283963,283964,283967,283970,283972,283978,283980,283983,283984,283987,283988,283989,283990,283993,283994	27770
Celadonite ()*	Mica Clay	KMgFe³⁺Si₄O₁₀(OH)₂			1	283963	309
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O			2	283964,283972	310
Copper ()*	Copper	Cu			2	283965,283968	3846
Cowlesite ()*	None	Ca(Al₂Si₃)O₁₀·5-6H₂O			1	283993	84
Diaspore ()*	Diaspore	AlO(OH)			1	283975	481
Dolomite ()*	None	CaMg(CO₃)₂			1	283963	9895
Epistilbite ()*	Mordenite	Ca₃[Si₁₈Al₆O₄₈]·16H₂O	39.6	32.2	8	283963,283964,283969,283978,283983,283990,283993,283994	138
Gibbsite ()*	None	Al(OH)₃			2	283974,283975	504
Gonnardite ()*	Natrolite	(Na,Ca)₂(Si,Al)₅O₁₀·3H₂O	35.6	32.2	3	283978,283990,283993	167
Gyrolite ()*	Gyrolite	NaCa₁₆(Si₂₃Al)O₆₀(OH)₈·14H₂O	39.6	32.4	2	283983,283984	142
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	39.6	32.4	7	283963,283977,283983,283984,283987,283993,283994	1271
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	39.6	32.2	10	283963,283964,283978,283983,283984,283986,283988,283990,283993,283994	425
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O			10	283960,283963,283966,283967,283969,283986,283987,283988,283993,283994	405
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O			1	283972	1236
Offretite ()*	Not in a structural group	KCaMg(Si₁₃Al₅)O₃₆·15H₂O	39.6	32.2	4	283978,283983,283990,283993	146
Okenite ()*	None	Ca₁₀Si₁₈O₄₆·18H₂O	39.6	32.4	1	283984	71
Pyrite ()*	Pyrite	FeS₂			3	283972,283993,283994	39462
Quartz ()*	Quartz	SiO₂	39.6	32.2	13	283961,283962,283963,283964,283966,283967,283970,283978,283983,283986,283989,283993,283994	61156
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	39.6	32.4	6	283982,283983,283984,283986,283993,283994	390
Siderite ()*	Calcite	Fe(CO₃)	39	36	2	283963,283980	6417
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	35.6	32.2	4	283963,283972,283978,283993	452
Wairakite ()*	Analcime	Ca(Si₄Al₂)O₁₂·2H₂O			1	283993	73
Yugawaralite ()*	None	Ca(Si₆Al₂)O₁₆·4H₂O			2	283993,283994	33

6 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-12884	35.6	32.2	33.9±1.7	12884	17952	Signal Peak, Cowlitz Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-41543	39	37	38±1	41543	253817	Silver Lake, Cowlitz Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-41524	39	36	37+2/-1	41524	15037	Silver Lake Railroad Trestle, Silver Lake, Cowlitz Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-29430	39.6	32.4	36±3.6	29430	15515	Elk Mountain, Toutle, Cowlitz Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-29447	39.6	32.4	36±3.6	29447	15515	Elk Mountain, Toutle, Cowlitz Co., Washington, USA	NAVDAT	NAVDAT
NAVDAT-29451	39.6	32.4	36±3.6	29451	15515	Elk Mountain, Toutle, Cowlitz Co., Washington, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...