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:
Contention Mine (Patented Claims: Contention; MS 4694; Mayflower; MS 9792), Lake City District (Lake District), Hinsdale Co., Colorado, USA

Oldest recorded age at locality: 30.5
Youngest recorded age at locality: 17.8

mindat Locality ID: 114434
mindat URL: http://www.mindat.org/loc-114434.html

Tectonic Settings:

Total number of sublocalities beneath "Contention Mine (Patented Claims: Contention; MS 4694; Mayflower; MS 9792), Lake City District (Lake District), Hinsdale Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 37°59'10"N
Longitude: 107°17'35"W
Decimal Degree (lat, lon): 37.986111111111,-107.29305555556

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.

Baryte	Bournonite	Calcite	Chalcopyrite	Copper	Marcasite	Meneghinite	None	Pyrite	Quartz
Rocksalt	Sphalerite	Tetrahedrite

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 Ba Bi C Cu Fe Mn O Pb S Sb Si Zn

Elements from minerals reported directly at this locality: Ag Ba Bi C Cu Fe Mn O Pb S Sb Si Zn

Structural Groups for minerals in this locality:
Baryte Bournonite Calcite Chalcopyrite Copper Marcasite Meneghinite None Pyrite Quartz
Rocksalt Sphalerite Tetrahedrite

12 IMA Minerals at location:

Aikinite ()*	Baryte ()*	Bournonite ()*	Chalcopyrite ()*	Galena ()*
Marcasite ()*	Pyrite ()*	Quartz ()*	Rhodochrosite ()*	Silver ()*
Sphalerite ()*	Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aikinite ()*	Meneghinite	CuPbBiS₃	30.5	17.8	315
Baryte ()*	Baryte	Ba(SO₄)	30.5	17.8	11547
Bournonite ()*	Bournonite	CuPbSbS₃	30.5	17.8	1089
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	30.5	17.8	27198
Galena ()*	Rocksalt	PbS	30.5	17.8	24243
Marcasite ()*	Marcasite	FeS₂	30.5	17.8	5674
Pyrite ()*	Pyrite	FeS₂	30.5	17.8	39462
Quartz ()*	Quartz	SiO₂	30.5	17.8	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	30.5	17.8	1711
Silver ()*	Copper	Ag	30.5	17.8	5186
Sphalerite ()*	Sphalerite	ZnS	30.5	17.8	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	30.5	17.8	5317

10 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Age from other Locality	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Kristen001957	23.1	23.1	23.1					Yes	5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Lake City Caldera	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001958	29	29	29					Yes	5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Uncompahgre Caldera	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001959	30.5	27.5	29±1.5					Yes	5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Lake City Area	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001960	29.5	27.5	28.5±1					Yes	5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Lake City Area	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001961	24.1	22.1	23.1±1					Yes	5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Lake City Area	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001962	19.8	17.8	18.8±1					Yes	5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Lake City Area	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001965	28.5	27.1						Yes	5591	Lake City District (Lake District), Hinsdale Co., Colorado, USA	Lake City Area	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001963	28	27	27.5±0.5	206Pb/238U	mineralization age	high		Yes	3642	Golden Fleece Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA	Golden Fleece Vein	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001964	30.1	27.5	28.8±1.3	207Pb/235U				Yes	3642	Golden Fleece Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA	Golden Fleece Vein	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410
Kristen001966	21.2	20.4	20.8±0.4	K-Ar			sericite	Yes	7754	Oulay Mine (Ulay Mine; Ute-Ulay Mine), Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA	Ute-Ulay Mine	Hon et al. (1985)	10.2113/gsecongeo.80.2.410	EG80_410

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...