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:
Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA

Oldest recorded age at locality: 1821.81
Youngest recorded age at locality: 821.9

mindat Locality ID: 51821
mindat URL: http://www.mindat.org/loc-51821.html

Tectonic Settings:

Total number of sublocalities beneath "Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 45°18'30"N
Longitude: 88°2'38"W
Decimal Degree (lat, lon): 45.308333333333,-88.043888888889
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 Fe H O Si 

Elements from minerals reported directly at this locality: Al Ca Fe H O Si 

Structural Groups for minerals in this locality: 
ClinozoisiteEpidoteNoneQuartz

3 IMA Minerals at location:
Clinozoisite  (*)Epidote  (*)Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)1821.81821.901025
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)1821.81821.908173
Quartz  (*)QuartzSiO21821.81821.9061156


15 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-034631821.811721.811771.81±50Rb-Sr whole rock     51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-034641716.011716.011716.01Rb-Sr whole rock     51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-034651821.811721.811771.81±50Rb-Sr whole rock     51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-034661697.411697.411697.41Rb-Sr whole rock     51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-034771620.971536.971578.97±42Rb-Sr whole rock     51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-034781641.621641.621641.62Rb-Srage not evaluatedwhole rock     51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-U-Th-Pb-00112_206_2381122.91090.91106.9±16206_238 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00112_207_2061791.61737.61764.6±27207_206 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00112_207_2351373.21331.21352.2±21207_235 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00113_206_2381229.11193.11211.1±18206_238 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00113_207_2061790.71736.71763.7±27207_206 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00113_207_2351447.21405.21426.2±21207_235 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00114_206_238845.9821.9833.9±12206_238 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00114_207_2061711.41663.41687.4±24207_206 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 
USGS-U-Th-Pb-00114_207_2351122.41088.41105.4±17207_235 zircon   Zircon  51821Mt. Tom Quarry (Middle Inlet Quarry), Middle Inlet Township, Marinette Co., Wisconsin, USA USGS-U-Th-Pb USGS-U-Th-Pb 

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