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:
Ontario Mine, Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA

Oldest recorded age at locality: 36
Youngest recorded age at locality: 30

mindat Locality ID: 38751
mindat URL: http://www.mindat.org/loc-38751.html

Tectonic Settings:

Total number of sublocalities beneath "Ontario Mine, Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Ontario No. 1 Drain Tunnel Portal (Ontario Group)
Ontario No. 2 Shaft
Ontario No. 3 Shaft

Latitude: 40°37'40"N
Longitude: 111°29'39"W
Decimal Degree (lat, lon): 40.627777777778,-111.49416666667

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.

Allophane	Aragonite	Baryte	Calcite	Chalcopyrite	Clay	Malachite	None	Not in a structural group	Pyrite
Quartz	Rhodonite	Rocksalt	Rutile	Smectite-vermiculite	Sphalerite	Spinel	Tetrahedrite

Anglesite ()*	Azurite ()*	Bornite ()*	Calcite ()*	Cerussite ()*
Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Chrysocolla ()*	Galena ()*
Magnesioferrite ()*	Malachite ()*	Montmorillonite ()*	Pyrite ()*	Pyrolusite ()*
Quartz ()*	Rhodochrosite ()*	Rhodonite ()*	Siderite ()*	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 C Ca Cl Cu Fe H Mg Mn Na O Pb S Sb Si Zn

Elements from minerals reported directly at this locality: Ag Al C Ca Cl Cu Fe H Mg Mn Na O Pb S Sb Si Zn

Structural Groups for minerals in this locality:
Allophane Aragonite Baryte Calcite Chalcopyrite Clay Malachite None Not in a structural group Pyrite
Quartz Rhodonite Rocksalt Rutile Smectite-vermiculite Sphalerite Spinel Tetrahedrite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anglesite ()*	Baryte	Pb(SO₄)	36	30	0		2734
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	30	30	0		5509
Bornite ()*	None	Cu₅FeS₄	30	30	0		5516
Calcite ()*	Calcite	Ca(CO₃)	36	30	0		27770
Cerussite ()*	Aragonite	Pb(CO₃)	36	30	0		4979
Chalcocite ()*	None	Cu₂S	30	30	0		5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	30	30	0		27198
Chlorargyrite ()*	Rocksalt	AgCl	36	30	0		1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	30	30	0		3531
Galena ()*	Rocksalt	PbS	36	30	0		24243
Magnesioferrite ()*	Spinel	MgFe³⁺₂O₄	36	30	1	276882	98
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	30	30	0		12537
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	36	30	0		1508
Pyrite ()*	Pyrite	FeS₂	36	30	0		39462
Pyrolusite ()*	Rutile	MnO₂	36	30	0		3106
Quartz ()*	Quartz	SiO₂	36	30	0		61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	36	30	0		1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	36	30	0		969
Siderite ()*	Calcite	Fe(CO₃)	36	30	0		6417
Sphalerite ()*	Sphalerite	ZnS	36	30	0		21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	30	30	0		5317

2 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	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	sedcu-00674	30	30	Cenozoic							Yes			Cu	4155	Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA	Uinta	Cox et al. (2003)		USGSOFR03_107
	sedznpb-00481	36	31.5	36–31.5							Yes				4155	Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA	Park City	Singer et al. (2009)		USGSOFR2009-1252

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...