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:
Mountain, Oconto Co., Wisconsin, USA

Oldest recorded age at locality: 1415.76
Youngest recorded age at locality: 1275.76

mindat Locality ID: 47900
mindat URL: http://www.mindat.org/loc-47900.html

Tectonic Settings:

Total number of sublocalities beneath "Mountain, Oconto Co., Wisconsin, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 45°11'6"N
Longitude: 88°28'26"W
Decimal Degree (lat, lon): 45.185,-88.473888888889
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: Al Ca F Fe H K Mg Na O S Si Ti 

Elements from minerals reported directly at this locality: Al Ca F Fe H K Mg Na O S Si Ti 

Structural Groups for minerals in this locality: 
AmphiboleAndalusiteClayClinozoisiteEpidoteMicaNickelineNoneNot in a structural groupQuartz
SpinelTitaniteVesuvianite

13 IMA Minerals at location:
Actinolite  (*)Andalusite  (*)Clinozoisite  (*)Cummingtonite  (*)Epidote  (*)
Gedrite  (*)Magnetite  (*)Muscovite  (*)Pyrrhotite  (*)Quartz  (*)
Sillimanite  (*)Titanite  (*)Vesuvianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)21415.761275.7603419
Andalusite  (*)AndalusiteAl2SiO51415.761275.7601310
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)1415.761275.7601025
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)21415.761275.760327
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1415.761275.7608173
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)21415.761275.760178
Magnetite  (*)SpinelFe2+Fe3+2O41415.761275.76014899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)21415.761275.76017380
Pyrrhotite  (*)NickelineFe7S81415.761275.7609056
Quartz  (*)QuartzSiO21415.761275.76061156
Sillimanite  (*)Not in a structural groupAl2SiO51415.761275.7601516
Titanite  (*)TitaniteCaTi(SiO4)O1415.761275.7604899
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)101415.761275.7601395


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
USGS-Rb-Sr-002581415.761275.761345.76±70Rb-Srage meaning uncertain (geologic factors)k-feldspar     47900Mountain, Oconto Co., Wisconsin, USA USGS-Rb-Sr USGS-Rb-Sr 

SampleSource LocalityReference URL

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