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:
Whitehorn District, Fremont Co., Colorado, USA

mindat Locality ID: 19820
mindat URL: http://www.mindat.org/loc-19820.html

Tectonic Settings:

Total number of sublocalities beneath "Whitehorn District, Fremont Co., Colorado, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Bona & Free Town Lode
Marrs Memorial Blue
Swissvale Quarry
Unidentified Whitehorn Gold Deposit (MRDS - 10013836)
Unidentified Whitehorn Placer Deposit (MRDS - 10090942)

Latitude: 38°34'58"N
Longitude: 105°49'52"W
Decimal Degree (lat, lon): 38.582777777778,-105.83111111111

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	Copper	Gypsum	None	Quartz	Tetradymite

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 Bi Ca Cu Fe H O S Si Te

Elements from minerals reported directly at this locality: Bi Te

Structural Groups for minerals in this locality:
Chalcopyrite Copper Gypsum None Quartz Tetradymite

6 IMA Minerals at location:

Chalcopyrite ()*	Gold ()*	Gypsum ()*	Quartz ()*	Silver ()*
Tellurobismuthite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	188721	27198
Gold ()*	Copper	Au	2	188721,188722	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	188720	6890
Quartz ()*	Quartz	SiO₂	1	188721	61156
Silver ()*	Copper	Ag	1	188721	5186
Tellurobismuthite ()*	Tetradymite	Bi₂Te₃	0		276

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...