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:
Hamden, New Haven Co., Connecticut, USA


mindat Locality ID: 227484
mindat URL: http://www.mindat.org/loc-227484.html

Tectonic Settings:

Total number of sublocalities beneath "Hamden, New Haven Co., Connecticut, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Mill Rock
Pine Rock Quarry (Farnham Quarry)
Tallman Mine (Tallman's Mine)
York Hill

Latitude: 41°21'50"N
Longitude: 72°55'45"W
Decimal Degree (lat, lon): 41.363888888889,-72.929166666667

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 C Ca Cu F Fe H K Mg O S Si 

Elements from minerals reported directly at this locality: Cu 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleApophylliteCalciteClinozoisiteCopperCorundumEpidoteGarnetMalachite
NoneNot in a structural groupPrehniteQuartz

14 IMA Minerals at location:
Actinolite  (*)Andradite  (*)Bornite  (*)Calcite  (*)Chrysocolla  (*)
Copper  (*)Cuprite  (*)Epidote  (*)Fluorapophyllite-(K)  (*)Hematite  (*)
Laumontite  (*)Malachite  (*)Prehnite  (*)Quartz  (*)
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)211992123419
Andradite  (*)GarnetCa3Fe3+2(SiO4)311992091534
Bornite  (*)NoneCu5FeS42199209,1992115516
Calcite  (*)CalciteCa(CO3)2199210,19921127770
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11992113531
Copper  (*)CopperCu03846
Cuprite  (*)Not in a structural groupCu2O11992092970
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2199209,1992128173
Fluorapophyllite-(K)  (*)ApophylliteKCa4Si8O20F·8H2O1199210303
Hematite  (*)CorundumFe2O33199209,199211,19921214640
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O2199209,1992101271
Malachite  (*)MalachiteCu2(CO3)(OH)23199209,199211,19921212537
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)22199209,1992101898
Quartz  (*)QuartzSiO22199209,19921161156



No ages have been assigned to this locality yet.

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