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:
Pierce Area, Clearwater Co., Idaho, USA

Oldest recorded age at locality: 120
Youngest recorded age at locality: 65

mindat Locality ID: 280226
mindat URL: http://www.mindat.org/loc-280226.html

Tectonic Settings:

Total number of sublocalities beneath "Pierce Area, Clearwater Co., Idaho, USA": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 4
Child Localities:
Clearwater River Placers North Fork
French Creek Placer (Golden West-Klondike)
Unnamed Placers
Unorganized District

Latitude: 46°38'2"N
Longitude: 115°38'44"W
Decimal Degree (lat, lon): 46.633888888889,-115.64555555556

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.

Clinozoisite	Corundum	Epidote	None	Rutile	Tourmaline

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 B Ca Fe H Na O Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clinozoisite Corundum Epidote None Rutile Tourmaline

5 IMA Minerals at location:

Corundum ()*	Epidote ()*	Ilmenite ()*	Rutile ()*	Schorl ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Corundum ()*	Corundum	Al₂O₃	1	206616	1797
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	206616	8173
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	206616	5433
Rutile ()*	Rutile	TiO₂	1	206616	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	206616	2705

2 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	NAVDAT-49534	120	65	92+28/-27					49534						137407	French Creek Placer (Golden West-Klondike), Pierce Area, Clearwater Co., Idaho, USA		NAVDAT		NAVDAT
	NAVDAT-51256	120	65	92+28/-27					51256						137407	French Creek Placer (Golden West-Klondike), Pierce Area, Clearwater Co., Idaho, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...