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:
Harpster District, Idaho Co., Idaho, USA

Oldest recorded age at locality: 208
Youngest recorded age at locality: 100

mindat Locality ID: 276258
mindat URL: http://www.mindat.org/loc-276258.html

Tectonic Settings:

Total number of sublocalities beneath "Harpster District, Idaho Co., Idaho, USA": 9
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Blacktail Asbestos Prospect
Clearwater Occurrence
Corral Hill Occurrence
Dewey Mine (Evergreen And St. Patrick Veins; Old Dewey Mines; Dewey-Byrd Mine)
McComas Magnetite Prospect (Iron Cap; Green Creek Lookout)
Meadow Creek Magnetite Prospect (Sylvia Ellen Claim)
Paysack Occurrence (Rescue; Standard)
Switchback Marble Quarry
Sylvanite Gold - Copper Prospect

Latitude: 45°57'1"N
Longitude: 115°55'54"W
Decimal Degree (lat, lon): 45.950277777778,-115.93166666667

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.

Amphibole	Calcite	Chalcopyrite	Clay	Clinozoisite	Epidote	Malachite	None	Pyrite	Quartz
Serpentine	Spinel	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: Al C Ca Cu Fe H Mg O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Clay Clinozoisite Epidote Malachite None Pyrite Quartz
Serpentine Spinel Talc

11 IMA Minerals at location:

Anthophyllite ()*	Antigorite ()*	Chalcopyrite ()*	Epidote ()*	Magnesite ()*
Magnetite ()*	Malachite ()*	Pyrite ()*	Quartz ()*	Siderite ()*
Talc ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	1	208440	718
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1	208440	708
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2	208443,208448	27198
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	208443	8173
Magnesite ()*	Calcite	Mg(CO₃)	1	208440	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	208444,208445	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	208443	12537
Pyrite ()*	Pyrite	FeS₂	3	208440,208443,208448	39462
Quartz ()*	Quartz	SiO₂	2	208443,208448	61156
Siderite ()*	Calcite	Fe(CO₃)	1	208444	6417
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	208440	3337

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-49732	208	100	154±54	49732	136589	Clearwater Occurrence, Harpster District, Idaho Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-49733	208	100	154±54	49733	136589	Clearwater Occurrence, Harpster District, Idaho Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-51318	208	100	154±54	51318	136589	Clearwater Occurrence, Harpster District, Idaho Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-51319	208	100	154±54	51319	136589	Clearwater Occurrence, Harpster District, Idaho Co., Idaho, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...