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:
Caribou Mine (Caribou Shaft), Caribou Mine Group, Grand Island, Caribou District, Boulder Co., Colorado, USA

mindat Locality ID: 5993
mindat URL: http://www.mindat.org/loc-5993.html

Tectonic Settings:

Total number of sublocalities beneath "Caribou Mine (Caribou Shaft), Caribou Mine Group, Grand Island, Caribou District, Boulder Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°58'51"N
Longitude: 105°34'59"W
Decimal Degree (lat, lon): 39.980833333333,-105.58305555556

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.

Acanthite	Aragonite	Calcite	Chalcopyrite	Clay	Copper	Covellite	Fluorite	Jalpaite	None
Polybasite	Pyrite	Quartz	Rocksalt	Serpentine	Sphalerite	Tetrahedrite

Acanthite ()*	Calcite ()*	Cerussite ()*	Chalcopyrite ()*	Chlorargyrite ()*
Chrysotile ()*	Covellite ()*	Dolomite ()*	Galena ()*	Gold ()*
Jalpaite ()*	Gersdorffite-Pa3 ()*	Pearceite ()*	Polybasite ()*	Proustite ()*
Pyrargyrite ()*	Pyrite ()*	Quartz ()*	Siderite ()*	Silver ()*
Sphalerite ()*	Stephanite ()*	Stromeyerite ()*	Tetrahedrite-(Zn) ()*	Uraninite ()*

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 C Ca Cl Cu Fe H Mg Ni O Pb S Sb Si U Zn

Elements from minerals reported directly at this locality: Ag As Au C Ca Cl Cu Fe H Mg Ni O Pb S Sb Si U Zn

Structural Groups for minerals in this locality:
Acanthite Aragonite Calcite Chalcopyrite Clay Copper Covellite Fluorite Jalpaite None
Polybasite Pyrite Quartz Rocksalt Serpentine Sphalerite Tetrahedrite

25 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	2793
Calcite ()*	Calcite	Ca(CO₃)	27770
Cerussite ()*	Aragonite	Pb(CO₃)	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Chlorargyrite ()*	Rocksalt	AgCl	1382
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	951
Covellite ()*	Covellite	CuS	4165
Dolomite ()*	None	CaMg(CO₃)₂	9895
Galena ()*	Rocksalt	PbS	24243
Gold ()*	Copper	Au	30554
Jalpaite ()*	Jalpaite	Ag₃CuS₂	116
Gersdorffite-Pa3 ()*	Pyrite	NiAsS	767
Pearceite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(As,Sb)₂S₇]	249
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	716
Proustite ()*	None	Ag₃AsS₃	733
Pyrargyrite ()*	None	Ag₃SbS₃	1425
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Siderite ()*	Calcite	Fe(CO₃)	6417
Silver ()*	Copper	Ag	5186
Sphalerite ()*	Sphalerite	ZnS	21482
Stephanite ()*	None	Ag₅SbS₄	586
Stromeyerite ()*	None	CuAgS	332
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	5317
Uraninite ()*	Fluorite	UO₂	2718

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...