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:
Index, Snohomish Co., Washington, USA

mindat Locality ID: 51362
mindat URL: http://www.mindat.org/loc-51362.html

Tectonic Settings:

Total number of sublocalities beneath "Index, Snohomish Co., Washington, USA": 4
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Helena Claim
Iron Peak
Morning Star Mine

Latitude: 47°49'0"N
Longitude: 121°32'58"W
Decimal Degree (lat, lon): 47.816666666667,-121.54944444444

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	Clinozoisite	Epidote	Feldspar	None	Prehnite	Pyrite	Quartz	Rocksalt

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 O Pb S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clinozoisite Epidote Feldspar None Prehnite Pyrite Quartz Rocksalt

9 IMA Minerals at location:

Bornite ()*	Calcite ()*	Chalcopyrite ()*	Epidote ()*	Galena ()*
Microcline ()*	Prehnite ()*	Pyrite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Bornite ()*	None	Cu₅FeS₄	1	285681	5516
Calcite ()*	Calcite	Ca(CO₃)	1	285681	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	285681	27198
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	285683	8173
Galena ()*	Rocksalt	PbS	1	285684	24243
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	285683	4924
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	285683	1898
Pyrite ()*	Pyrite	FeS₂	1	285681	39462
Quartz ()*	Quartz	SiO₂	2	285681,285683	61156

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...