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:
Cascade Pass, Cascade District, Skagit Co., Washington, USA

mindat Locality ID: 28454
mindat URL: http://www.mindat.org/loc-28454.html

Tectonic Settings:

Total number of sublocalities beneath "Cascade Pass, Cascade District, Skagit Co., Washington, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Boston Basin Mine
Cascade Pass Area
Johnsburg Mine
Triplets Peak

Latitude: 48°28'15"N
Longitude: 121°5'13"W
Decimal Degree (lat, lon): 48.470833333333,-121.08694444444

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.

Apatite	Aragonite	Baryte	Calcite	Chalcopyrite	Garnet	Linarite	Malachite	None	Not in a structural group
Pyrite	Quartz	Rocksalt	Sphalerite	Staurolite

Anglesite ()*	Azurite ()*	Calcite ()*	Cerussite ()*	Chalcopyrite ()*
Galena ()*	Grossular ()*	Kyanite ()*	Linarite ()*	Malachite ()*
Mimetite ()*	Pyrite ()*	Pyrope ()*	Quartz ()*	Sphalerite ()*
Staurolite ()*

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

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Apatite Aragonite Baryte Calcite Chalcopyrite Garnet Linarite Malachite None Not in a structural group
Pyrite Quartz Rocksalt Sphalerite Staurolite

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	1	285438	2734
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	285438	5509
Calcite ()*	Calcite	Ca(CO₃)	1	285438	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	285438	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	285436,285438	27198
Galena ()*	Rocksalt	PbS	1	285438	24243
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1	285436	1544
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	285438	1507
Linarite ()*	Linarite	CuPb(SO₄)(OH)₂	1	285438	987
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	285438	12537
Mimetite ()*	Apatite	Pb₅(AsO₄)₃Cl	1	285438	1107
Pyrite ()*	Pyrite	FeS₂	1	285436	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	1	285437	341
Quartz ()*	Quartz	SiO₂	3	285436,285438,285439	61156
Sphalerite ()*	Sphalerite	ZnS	1	285438	21482
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	1	285438	978

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...