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:
Cumru Township, Berks Co., Pennsylvania, USA


mindat Locality ID: 234052
mindat URL: http://www.mindat.org/loc-234052.html

Tectonic Settings:

Total number of sublocalities beneath "Cumru Township, Berks Co., Pennsylvania, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Fritz Island Mines

Latitude: 40°18'20"N
Longitude: 75°55'25"W
Decimal Degree (lat, lon): 40.305555555556,-75.923611111111
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 Cu F Fe H Mg Na O Pb S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAragoniteBruciteCalciteChalcopyriteClayCorundumFluoriteGadoliniteGarnet
GismondineMalachiteNatroliteNoneNot in a structural groupPyriteQuartzRocksaltSpinelTalc
Vesuvianite

22 IMA Minerals at location:
Aragonite  (*)Aurichalcite  (*)Azurite  (*)Bornite  (*)Brucite  (*)
Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)Datolite  (*)
Fluorite  (*)Galena  (*)Gismondine  (*)Grossular  (*)Hematite  (*)
Magnetite  (*)Malachite  (*)Mesolite  (*)Pyrite  (*)Quartz  (*)
Talc  (*)Vesuvianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aragonite  (*)AragoniteCa(CO3)12625233250
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)61262523919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)212625235509
Bornite  (*)NoneCu5FeS412625235516
Brucite  (*)BruciteMg(OH)21262523462
Calcite  (*)CalciteCa(CO3)126252327770
Chalcocite  (*)NoneCu2S12625235707
Chalcopyrite  (*)ChalcopyriteCuFeS2126252327198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O12625233531
Datolite  (*)GadoliniteCaB(SiO4)(OH)1262523498
Fluorite  (*)FluoriteCaF212625239617
Galena  (*)RocksaltPbS126252324243
Gismondine  (*)GismondineCa2(Si4Al4)O16·8H2O1262523128
Grossular  (*)GarnetCa3Al2(SiO4)312625231544
Hematite  (*)CorundumFe2O3126252314640
Magnetite  (*)SpinelFe2+Fe3+2O4126252314899
Malachite  (*)MalachiteCu2(CO3)(OH)2126252312537
Mesolite  (*)NatroliteNa2Ca2(Si9Al6)O30·8H2O1262523425
Pyrite  (*)PyriteFeS2126252339462
Quartz  (*)QuartzSiO2126252361156
Talc  (*)Clay TalcMg3Si4O10(OH)212625233337
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1012625231395


No ages have been assigned to this locality yet.
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