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:
Empire District (Howes Gulch District), Larimer Co., Colorado, USA

mindat Locality ID: 115506
mindat URL: http://www.mindat.org/loc-115506.html

Tectonic Settings:

Total number of sublocalities beneath "Empire District (Howes Gulch District), Larimer Co., Colorado, USA": 8
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Copper King Prospect
Eli Nos. 1-3 Prospect
Elk Prospect
Empire Mine
Grand View Prospect
London Prospect
Maria Prospect
Unnamed Outcrop

Latitude: 40°35'22"N
Longitude: 105°12'7"W
Decimal Degree (lat, lon): 40.589444444444,-105.20194444444

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.

Andalusite	Chalcanthite	Chalcopyrite	Malachite	Nickeline	None	Not in a structural group	Pyrite	Quartz

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 C Cu Fe H O S Si

Elements from minerals reported directly at this locality: Cu Fe S

Structural Groups for minerals in this locality:
Andalusite Chalcanthite Chalcopyrite Malachite Nickeline None Not in a structural group Pyrite Quartz

8 IMA Minerals at location:

Andalusite ()*	Azurite ()*	Chalcanthite ()*	Chalcopyrite ()*	Malachite ()*
Pyrite ()*	Pyrrhotite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Andalusite ()*	Andalusite	Al₂SiO₅	1	191857	1310
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	191853	5509
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	1	191853	925
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	191853	12537
Pyrite ()*	Pyrite	FeS₂	0		39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	191853	9056
Quartz ()*	Quartz	SiO₂	1	191853	61156

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...