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:
Grotto, Miller River District, King Co., Washington, USA

mindat Locality ID: 22011
mindat URL: http://www.mindat.org/loc-22011.html

Tectonic Settings:

Total number of sublocalities beneath "Grotto, Miller River District, King Co., Washington, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Cleopatra Group Mine (Cleopatra Mine; Aces Up Mine)
Coney Basin Mine

Latitude: 47°38'37"N
Longitude: 121°27'36"W
Decimal Degree (lat, lon): 47.643611111111,-121.46

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.

Arsenopyrite	Bournonite	Chalcopyrite	Clay	Kaolinite	Mica	None	Pyrite	Quartz	Rocksalt
Sphalerite	Tetrahedrite

Arsenopyrite ()*	Bournonite ()*	Chalcocite ()*	Chalcopyrite ()*	Freibergite ()*
Galena ()*	Jamesonite ()*	Kaolinite ()*	Muscovite ()*	Pyrite ()*
Quartz ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*

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: Ag Al As Cu Fe H K O Pb S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Bournonite Chalcopyrite Clay Kaolinite Mica None Pyrite Quartz Rocksalt
Sphalerite Tetrahedrite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	2	284481,284482	9052
Bournonite ()*	Bournonite	CuPbSbS₃	1	284482	1089
Chalcocite ()*	None	Cu₂S	1	284481	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	284481,284482	27198
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	1	284481	663
Galena ()*	Rocksalt	PbS	2	284481,284482	24243
Jamesonite ()*	None	Pb₄FeSb₆S₁₄	2	284481,284482	784
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	284481	5591
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	284481	17380
Pyrite ()*	Pyrite	FeS₂	2	284481,284482	39462
Quartz ()*	Quartz	SiO₂	2	284481,284482	61156
Sphalerite ()*	Sphalerite	ZnS	2	284481,284482	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	2	284481,284482	5317

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...