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:
Alma, Alma District, Park Co., Colorado, USA

mindat Locality ID: 18229
mindat URL: http://www.mindat.org/loc-18229.html

Tectonic Settings:

Total number of sublocalities beneath "Alma, Alma District, Park Co., Colorado, USA": 14
Total number of bottom-level sublocalities: 13

Number of Child Localities: 13
Child Localities:
Atlantic-Pacific Mine
Champaign Mine (Coney Claim)
Colorado Springs Mine
Criterion Mine
Excelsior Mine
Hock Hocking Mine (Hock Hock)
New York Mountain
Orphan Mine (Orphan Boy Mine)
Paris Mine
Phillips Mine
Sherwood Mine
South London Mine
Wheeler Mine

Latitude: 39°17'22"N
Longitude: 106°6'30"W
Decimal Degree (lat, lon): 39.289444444444,-106.10833333333

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	Baryte	Calcite	Chalcopyrite	Columbite	Copper	Covellite	Digenite	Fluorite
Jalpaite	Meneghinite	Nickeline	None	Polybasite	Pyrite	Quartz	Rocksalt	Sphalerite	Tetrahedrite

Acanthite ()*	Aikinite ()*	Anglesite ()*	Baryte ()*	Calcite ()*
Cerussite ()*	Chalcopyrite ()*	Covellite ()*	Digenite ()*	Dolomite ()*
Galena ()*	Gold ()*	Hübnerite ()*	Jalpaite ()*	Matildite ()*
Polybasite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Silver ()*
Sphalerite ()*	Stromeyerite ()*	Tennantite-(Fe) ()*	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 Ba Bi C Ca Cu Fe Mg Mn O Pb S Sb Si U W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Aragonite Baryte Calcite Chalcopyrite Columbite Copper Covellite Digenite Fluorite
Jalpaite Meneghinite Nickeline None Polybasite Pyrite Quartz Rocksalt Sphalerite Tetrahedrite

25 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	1	194477	2793
Aikinite ()*	Meneghinite	CuPbBiS₃	1	194474	315
Anglesite ()*	Baryte	Pb(SO₄)	1	194472	2734
Baryte ()*	Baryte	Ba(SO₄)	2	194469,194476	11547
Calcite ()*	Calcite	Ca(CO₃)	1	194472	27770
Cerussite ()*	Aragonite	Pb(CO₃)	1	194469	4979
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	6	194466,194470,194471,194472,194474,194476	27198
Covellite ()*	Covellite	CuS	2	194472,194477	4165
Digenite ()*	Digenite	Cu_1.8S	1	194471	1027
Dolomite ()*	None	CaMg(CO₃)₂	3	194471,194472,194477	9895
Galena ()*	Rocksalt	PbS	7	194468,194469,194471,194472,194474,194477,194479	24243
Gold ()*	Copper	Au	8	194466,194470,194471,194473,194474,194475,194476,194478	30554
Hübnerite ()*	Columbite	Mn²⁺(WO₄)	1	194479	469
Jalpaite ()*	Jalpaite	Ag₃CuS₂	1	194471	116
Matildite ()*	None	AgBiS₂	1	194474	252
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	1	194471	716
Pyrite ()*	Pyrite	FeS₂	7	194466,194469,194470,194471,194474,194476,194477	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	194466	9056
Quartz ()*	Quartz	SiO₂	6	194469,194471,194472,194474,194477,194478	61156
Silver ()*	Copper	Ag	3	194469,194470,194471	5186
Sphalerite ()*	Sphalerite	ZnS	4	194469,194471,194472,194477	21482
Stromeyerite ()*	None	CuAgS	1	194471	332
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	2	194471,194477	1803
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	2	194471,194472	5317
Uraninite ()*	Fluorite	UO₂	3	194467,194474,194478	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...