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:
Big Tree Creek, Yacolt, Clark Co., Washington, USA

mindat Locality ID: 8036
mindat URL: http://www.mindat.org/loc-8036.html

Tectonic Settings:

Total number of sublocalities beneath "Big Tree Creek, Yacolt, Clark Co., Washington, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 45°52'28"N
Longitude: 122°21'40"W
Decimal Degree (lat, lon): 45.874444444444,-122.36111111111

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	Calcite	Gismondine	Mordenite	Natrolite	None	Not in a structural group	Quartz	Thomsonite

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 H K Na O Si

Elements from minerals reported directly at this locality: Al C Ca H K Na O Si

Structural Groups for minerals in this locality:
Analcime Calcite Gismondine Mordenite Natrolite None Not in a structural group Quartz Thomsonite

12 IMA Minerals at location:

Analcime ()*	Calcite ()*	Cowlesite ()*	Epistilbite ()*	Garronite-Ca ()*
Gonnardite ()*	Laumontite ()*	Mesolite ()*	Mordenite ()*	Quartz ()*
Scolecite ()*	Thomsonite-Ca ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1627
Calcite ()*	Calcite	Ca(CO₃)	27770
Cowlesite ()*	None	Ca(Al₂Si₃)O₁₀·5-6H₂O	84
Epistilbite ()*	Mordenite	Ca₃[Si₁₈Al₆O₄₈]·16H₂O	138
Garronite-Ca ()*	Gismondine	Ca₃(Al₆Si₁₀O₃₂)·14H₂O	66
Gonnardite ()*	Natrolite	(Na,Ca)₂(Si,Al)₅O₁₀·3H₂O	167
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1271
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	425
Mordenite ()*	Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O	405
Quartz ()*	Quartz	SiO₂	61156
Scolecite ()*	Natrolite	Ca(Si₃Al₂)O₁₀·3H₂O	390
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	452

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...