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:
Idaho Primitive Area, Mackinaw District, Lemhi Co., Idaho, USA

mindat Locality ID: 276973
mindat URL: http://www.mindat.org/loc-276973.html

Tectonic Settings:

Total number of sublocalities beneath "Idaho Primitive Area, Mackinaw District, Lemhi Co., Idaho, USA": 25
Total number of bottom-level sublocalities: 25

Number of Child Localities: 25
Child Localities:
Black Diamond
Buster Gulch Placer
California Bar Placer
Chinamen Placer
Crazy Creek Prospect
Dump Creek Placer
Edwards Placer (Rocky Mtn Placer)
Goff Brothers Placers
Grubstake No. 1 Claim (Clean Gold)
Grubstake No. 2 Claim (Fereaco; Continental)
Landis Claim
Last Chance
Leesburg Uranium Company Group
Lower Pine Creek Placer
Minnehik Occurrence
Never Sweat
Pine Creek Property
Prince
Rapps Creek
Rapps Creek Placer
Ready Cash Deposit (Kismet)
Sierra Gulch Placer
Wall Street Deposit
Wards Gulch Placer
Wingding Claim

Latitude: 45°16'33"N
Longitude: 114°10'17"W
Decimal Degree (lat, lon): 45.275833333333,-114.17138888889

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.

Chalcopyrite	Clay	Copper	Mica	None	Pyrite	Quartz	Rocksalt	Sphalerite	Spinel

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 Au Cu Fe H K O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcopyrite Clay Copper Mica None Pyrite Quartz Rocksalt Sphalerite Spinel

9 IMA Minerals at location:

Chalcopyrite ()*	Galena ()*	Gold ()*	Magnetite ()*	Muscovite ()*
Pyrite ()*	Quartz ()*	Silver ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	209905	27198
Galena ()*	Rocksalt	PbS	2	209897,209901	24243
Gold ()*	Copper	Au	10	209882,209883,209884,209886,209887,209888,209894,209900,209902,209904	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	209885	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	209890	17380
Pyrite ()*	Pyrite	FeS₂	7	209882,209886,209890,209897,209899,209901,209905	39462
Quartz ()*	Quartz	SiO₂	6	209890,209891,209897,209899,209901,209905	61156
Silver ()*	Copper	Ag	1	209888	5186
Sphalerite ()*	Sphalerite	ZnS	3	209890,209897,209901	21482

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...