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:
Emma Mine (Emma Tunnel; Alta United Mines Company), Little Cottonwood District (Alta District), Wasatch Mts, Salt Lake Co., Utah, USA


mindat Locality ID: 10942
mindat URL: http://www.mindat.org/loc-10942.html

Tectonic Settings:

Total number of sublocalities beneath "Emma Mine (Emma Tunnel; Alta United Mines Company), Little Cottonwood District (Alta District), Wasatch Mts, Salt Lake Co., Utah, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 40°35'33"N
Longitude: 111°37'52"W
Decimal Degree (lat, lon): 40.5925,-111.63111111111
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 Cu Fe H Mn Mo O Pb S Sb Si W Zn 

Elements from minerals reported directly at this locality: Ag Al C Cu Fe H Mn Mo O Pb S Sb Si W Zn 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAragoniteBaryteCalciteMalachiteMolybdeniteNoneNot in a structural groupPyrite
QuartzRocksaltRutileScheeliteSphaleriteTetrahedrite

21 IMA Minerals at location:
Acanthite  (*)Anglesite  (*)Azurite  (*)Cerussite  (*)Cervantite  (*)
Chrysocolla  (*)Galena  (*)Hemimorphite  (*)Malachite  (*)Massicot  (*)
Pyrite  (*)Pyrolusite  (*)Quartz  (*)Siderite  (*)Smithsonite  (*)
Sphalerite  (*)Stephanite  (*)Stolzite  (*)Tetrahedrite-(Zn)  (*)Tungstenite  (*)
Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S02793
Anglesite  (*)BarytePb(SO4)02734
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)205509
Cerussite  (*)AragonitePb(CO3)04979
Cervantite  (*)NoneSb3+Sb5+O40352
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O03531
Galena  (*)RocksaltPbS024243
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O01689
Malachite  (*)MalachiteCu2(CO3)(OH)2012537
Massicot  (*)NonePbO0202
Pyrite  (*)PyriteFeS2039462
Pyrolusite  (*)RutileMnO203106
Quartz  (*)QuartzSiO2061156
Siderite  (*)CalciteFe(CO3)06417
Smithsonite  (*)CalciteZn(CO3)02473
Sphalerite  (*)SphaleriteZnS021482
Stephanite  (*)NoneAg5SbS40586
Stolzite  (*)ScheelitePb(WO4)0156
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1305317
Tungstenite  (*)MolybdeniteWS2028
Wulfenite  (*)ScheelitePbMoO401655


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R070616Emma Mine (Emma Tunnel; Alta United Mines Company), Little Cottonwood District (Alta District), Wasatch Mts, Salt Lake Co., Utah, USAhttps://rruff.info/R070616

All locality data graciously provided by mindat.org

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