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:
Hygrade Claims (Little Leslie 1-4), Unorganized District, Sunbeam Area, Custer Co., Idaho, USA

Oldest recorded age at locality: 85
Youngest recorded age at locality: 60

mindat Locality ID: 138118
mindat URL: http://www.mindat.org/loc-138118.html

Tectonic Settings:

Total number of sublocalities beneath "Hygrade Claims (Little Leslie 1-4), Unorganized District, Sunbeam Area, Custer Co., Idaho, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 44°17'22"N
Longitude: 114°43'33"W
Decimal Degree (lat, lon): 44.289444444444,-114.72583333333

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.

Copper	Molybdenite	None	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: Ag Au Fe Mo O Pb S Si

Elements from minerals reported directly at this locality: Ag Au Fe Mo O Pb S Si

Structural Groups for minerals in this locality:
Copper Molybdenite None Pyrite Quartz Rocksalt

6 IMA Minerals at location:

Galena ()*	Gold ()*	Molybdenite ()*	Pyrite ()*	Quartz ()*
Silver ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Galena ()*	Rocksalt	PbS	85	60	24243
Gold ()*	Copper	Au	85	60	30554
Molybdenite ()*	Molybdenite	MoS₂	85	60	5800
Pyrite ()*	Pyrite	FeS₂	85	60	39462
Quartz ()*	Quartz	SiO₂	85	60	61156
Silver ()*	Copper	Ag	85	60	5186

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Source	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-14234	84.2	78.4	81.3±2.9	biotite	14234	138118	Hygrade Claims (Little Leslie 1-4), Unorganized District, Sunbeam Area, Custer Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-14235	84	60	73+11/-13		14235	138118	Hygrade Claims (Little Leslie 1-4), Unorganized District, Sunbeam Area, Custer Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-14236	84	60	73+11/-13		14236	138118	Hygrade Claims (Little Leslie 1-4), Unorganized District, Sunbeam Area, Custer Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-20768	85	72	78+7/-6		20768	138118	Hygrade Claims (Little Leslie 1-4), Unorganized District, Sunbeam Area, Custer Co., Idaho, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...