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:
Spirit Lake, Mt St Helens District, Skamania Co., Washington, USA

mindat Locality ID: 31930
mindat URL: http://www.mindat.org/loc-31930.html

Tectonic Settings:

Total number of sublocalities beneath "Spirit Lake, Mt St Helens District, Skamania Co., Washington, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Bonanza
Hercules Claim
Kangaroo Group (Claims: Kangaroo Nos. 1-5 Lodes)
Sweden Mine (Coe Mine; St Helens Mine)
United Group (Mount Fairy Prospect; Claims: Mount Fairy Nos. 1-2; Mary Nos. 1-6 Lodes)

Latitude: 46°18'44"N
Longitude: 122°6'18"W
Decimal Degree (lat, lon): 46.312222222222,-122.105

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.

Calcite	Chalcopyrite	Clay	Malachite	Nickeline	None	Pyrite	Quartz	Rocksalt	Sphalerite
Talc

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: C Ca Cu Fe H Mg O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clay Malachite Nickeline None Pyrite Quartz Rocksalt Sphalerite
Talc

9 IMA Minerals at location:

Calcite ()*	Chalcopyrite ()*	Galena ()*	Malachite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Sphalerite ()*	Talc ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	285571	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	285572,285573	27198
Galena ()*	Rocksalt	PbS	2	285571,285572	24243
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	285573	12537
Pyrite ()*	Pyrite	FeS₂	4	285570,285571,285572,285573	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	285572	9056
Quartz ()*	Quartz	SiO₂	3	285571,285572,285573	61156
Sphalerite ()*	Sphalerite	ZnS	3	285571,285572,285573	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	285572	3337

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...