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:
Salisbury, Litchfield Co., Connecticut, USA

Oldest recorded age at locality: 387
Youngest recorded age at locality: 349

mindat Locality ID: 3705
mindat URL: http://www.mindat.org/loc-3705.html

Tectonic Settings:

Total number of sublocalities beneath "Salisbury, Litchfield Co., Connecticut, USA": 8
Total number of bottom-level sublocalities: 7

Number of Child Localities: 1
Child Localities:
Salisbury District

Latitude: 41°59'8"N
Longitude: 73°26'49"W
Decimal Degree (lat, lon): 41.985555555556,-73.446944444444
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 B C Ca F Fe H K La Mg Mn Na Nd O P S Si Ti 

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

Structural Groups for minerals in this locality: 
AmphiboleCalciteClayCoronaditeDiasporeEpidoteLepidocrociteNoneQuartzRhabdophane
RutileSulphurTalcTourmalineVesuvianiteVivianite

18 IMA Minerals at location:
Cryptomelane  (*)Cummingtonite  (*)Gibbsite  (*)Goethite  (*)Graphite  (*)
Lepidocrocite  (*)Pyrolusite  (*)Quartz  (*)Rhabdophane-(La)  (*)Rhabdophane-(Nd)  (*)
Rutile  (*)Schorl  (*)Siderite  (*)Sulphur  (*)Talc  (*)
Vesuvianite  (*)Vivianite  (*)Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O161199001599
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)23873490327
Gibbsite  (*)NoneAl(OH)31199001504
Goethite  (*)DiasporeFeO(OH)3873497198996,198997,198998,198999,199000,199001,1990027437
Graphite  (*)NoneC38734902812
Lepidocrocite  (*)LepidocrociteFe3+O(OH)3873490581
Pyrolusite  (*)RutileMnO22199001,1990023106
Quartz  (*)QuartzSiO2387349061156
Rhabdophane-(La)  (*)RhabdophaneLa(PO4)·H2O119900213
Rhabdophane-(Nd)  (*)RhabdophaneNd(PO4)·H2O119900214
Rutile  (*)RutileTiO238734905614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)38734902705
Siderite  (*)CalciteFe(CO3)11990016417
Sulphur  (*)SulphurS38734902045
Talc  (*)Clay TalcMg3Si4O10(OH)211990013337
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1038734901395
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O3873490636
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)38734901025


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-03251387349368±19Rb-Srinitial age disturbed by later metamorphismbiotite     254364Clarke Mine, Salisbury District, Salisbury, Litchfield Co., Connecticut, USA USGS-Rb-Sr USGS-Rb-Sr 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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