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:
American Sisters Mine, Lawson District (Dumont District), Clear Creek Co., Colorado, USA

mindat Locality ID: 3604
mindat URL: http://www.mindat.org/loc-3604.html

Tectonic Settings:

Total number of sublocalities beneath "American Sisters Mine, Lawson District (Dumont District), Clear Creek Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°45'19"N
Longitude: 105°37'59"W
Decimal Degree (lat, lon): 39.755277777778,-105.63305555556

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	Clay	Fluorite	Mica	None	Polybasite	Pyrite
Quartz	Rocksalt	Sphalerite

Acanthite ()*	Aragonite ()*	Baryte ()*	Chalcophanite ()*	Fluorite ()*
Galena ()*	Muscovite ()*	Pearceite ()*	Polybasite ()*	Proustite ()*
Pyrite ()*	Quartz ()*	Siderite ()*	Sphalerite ()*	Stromeyerite ()*

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 Al As Ba C Ca Cu F Fe H K Mn O Pb S Sb Si Zn

Elements from minerals reported directly at this locality: Ag Al As Ba C Ca Cu F Fe H K Mn O Pb S Sb Si Zn

Structural Groups for minerals in this locality:
Acanthite Aragonite Baryte Calcite Clay Fluorite Mica None Polybasite Pyrite
Quartz Rocksalt Sphalerite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S	2793
Aragonite ()*	Aragonite	Ca(CO₃)	3250
Baryte ()*	Baryte	Ba(SO₄)	11547
Chalcophanite ()*	None	ZnMn⁴⁺₃O₇·3H₂O	197
Fluorite ()*	Fluorite	CaF₂	9617
Galena ()*	Rocksalt	PbS	24243
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Pearceite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(As,Sb)₂S₇]	249
Polybasite ()*	Polybasite	[Ag₉CuS₄][(Ag,Cu)₆(Sb,As)₂S₇]	716
Proustite ()*	None	Ag₃AsS₃	733
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Siderite ()*	Calcite	Fe(CO₃)	6417
Sphalerite ()*	Sphalerite	ZnS	21482
Stromeyerite ()*	None	CuAgS	332

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...