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:
Tariffville Gorge, Bloomfield, Hartford Co., Connecticut, USA


mindat Locality ID: 249816
mindat URL: http://www.mindat.org/loc-249816.html

Tectonic Settings:

Total number of sublocalities beneath "Tariffville Gorge, Bloomfield, Hartford Co., Connecticut, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
State Route 189 Road Cut
Tariffville Pectolite Locality

Latitude: 41°54'6"N
Longitude: 72°45'36"W
Decimal Degree (lat, lon): 41.901666666667,-72.76

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 Mg Na O S Si 

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

Structural Groups for minerals in this locality: 
AnalcimeCalciteClayEttringiteFluoriteGadoliniteNoneNot in a structural groupPectolitePrehnite
QuartzStilpnomelaneTalc

11 IMA Minerals at location:
Analcime  (*)Anhydrite  (*)Calcite  (*)Datolite  (*)Fluorite  (*)
Pectolite  (*)Prehnite  (*)Quartz  (*)Stilpnomelane  (*)Talc  (*)
Thaumasite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O01627
Anhydrite  (*)Not in a structural groupCa(SO4)2198815,1988161588
Calcite  (*)CalciteCa(CO3)119881527770
Datolite  (*)GadoliniteCaB(SiO4)(OH)1198815498
Fluorite  (*)FluoriteCaF211988159617
Pectolite  (*)PectoliteNaCa2Si3O8(OH)2198815,198816363
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)201898
Quartz  (*)QuartzSiO2119881561156
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O1198815456
Talc  (*)Clay TalcMg3Si4O10(OH)203337
Thaumasite  (*)EttringiteCa3Si(OH)6(CO3)(SO4)·12H2O1198816183



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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