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:
Hidden Treasure Mine, Lake City, 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: 7753
mindat URL: http://www.mindat.org/loc-7753.html

Tectonic Settings:

Total number of sublocalities beneath "Hidden Treasure Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°1'31"N
Longitude: 107°22'6"W
Decimal Degree (lat, lon): 38.025277777778,-107.36833333333

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	Calcite	Chalcopyrite	Clay	Copper	Fluorite	Gypsum	Kaolinite	Mica	None
Pyrite	Quartz	Rocksalt	Sphalerite	Spinel	Tetrahedrite

Ankerite ()*	Baryte ()*	Calcite ()*	Chalcopyrite ()*	Dickite ()*
Fluorite ()*	Freibergite ()*	Galena ()*	Gypsum ()*	Kaolinite ()*
Magnetite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*	Rhodochrosite ()*
Silver ()*	Sphalerite ()*	Tetrahedrite-(Zn) ()*

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

Structural Groups for minerals in this locality:
Baryte Calcite Chalcopyrite Clay Copper Fluorite Gypsum Kaolinite Mica None
Pyrite Quartz Rocksalt Sphalerite Spinel Tetrahedrite

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	30.5	17.8	3092
Baryte ()*	Baryte	Ba(SO₄)	30.5	17.8	11547
Calcite ()*	Calcite	Ca(CO₃)	30.5	17.8	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	30.5	17.8	27198
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	30.5	17.8	651
Fluorite ()*	Fluorite	CaF₂	30.5	17.8	9617
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	30.5	17.8	663
Galena ()*	Rocksalt	PbS	30.5	17.8	24243
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	30.5	17.8	6890
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	30.5	17.8	5591
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	30.5	17.8	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	30.5	17.8	17380
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...