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:
Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA

Oldest recorded age at locality: 46.6
Youngest recorded age at locality: 41.4

mindat Locality ID: 292720
mindat URL: http://www.mindat.org/loc-292720.html

Tectonic Settings:

Total number of sublocalities beneath "Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°43'59"N
Longitude: 107°18'50"W
Decimal Degree (lat, lon): 42.733055555556,-107.31388888889

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	Chalcopyrite	Copper	Marcasite	Molybdenite	None	Not in a structural group	Pyrite	Sphalerite	Stibnite

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 As Au Bi Cu Fe Mo Ni S Se Zn

Elements from minerals reported directly at this locality: Ag As Au Bi Cu Fe Mo Ni S Se Zn

Structural Groups for minerals in this locality:
Arsenopyrite Chalcopyrite Copper Marcasite Molybdenite None Not in a structural group Pyrite Sphalerite Stibnite

11 IMA Minerals at location:

Arsenopyrite ()*	Bismuthinite ()*	Chalcopyrite ()*	Gold ()*	Marcasite ()*
Molybdenite ()*	Naumannite ()*	Gersdorffite-Pa3 ()*	Pyrite ()*	Silver ()*
Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	46.6	41.4	9052
Bismuthinite ()*	Stibnite	Bi₂S₃	46.6	41.4	1935
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	46.6	41.4	27198
Gold ()*	Copper	Au	46.6	41.4	30554
Marcasite ()*	Marcasite	FeS₂	46.6	41.4	5674
Molybdenite ()*	Molybdenite	MoS₂	46.6	41.4	5800
Naumannite ()*	Not in a structural group	Ag₂Se	46.6	41.4	192
Gersdorffite-Pa3 ()*	Pyrite	NiAsS	46.6	41.4	767
Pyrite ()*	Pyrite	FeS₂	46.6	41.4	39462
Silver ()*	Copper	Ag	46.6	41.4	5186
Sphalerite ()*	Sphalerite	ZnS	46.6	41.4	21482

9 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-11351	46.6	41.4	43.6+3/-2.2	11351	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT
NAVDAT-11360	46.6	41.4	43.6+3/-2.2	11360	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT
NAVDAT-11379	46.6	41.4	43.6+3/-2.2	11379	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT
NAVDAT-11408	46.6	41.4	43.6+3/-2.2	11408	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT
NAVDAT-11409	46.6	41.4	43.6+3/-2.2	11409	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT
NAVDAT-11410	46.6	41.4	43.6+3/-2.2	11410	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT
NAVDAT-11411	46.6	41.4	43.6+3/-2.2	11411	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT
NAVDAT-11413	46.6	41.4	43.6+3/-2.2	11413	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT
NAVDAT-5608	45.7	43.7	44.7±1	5608	292720	Alkaline Igneous Gold Prospect, Rattlesnake Hills, Natrona Co., Wyoming, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...