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:
Pierrepont, St. Lawrence Co., New York, USA

Oldest recorded age at locality: 1600
Youngest recorded age at locality: 1000

mindat Locality ID: 23993
mindat URL: http://www.mindat.org/loc-23993.html

Tectonic Settings:

Total number of sublocalities beneath "Pierrepont, St. Lawrence Co., New York, USA": 12
Total number of bottom-level sublocalities: 9

Number of Child Localities: 5
Child Localities:
Finlay Farm
Owen Prospect
Pierrepont Hematite Locality (Pierrepont Iron Rose Locality)
Power's Farm (Bower Powers Farm; Ryland Crary Farm)
ZCA Pierrepont Mine

Latitude: 44°32'15"N
Longitude: 75°'3"W
Decimal Degree (lat, lon): 44.5375,-75.000833333333
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 Au B Ba C Ca Ce Cu F Fe H K Mg Mo Na O P S Si Zn Zr 

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

Structural Groups for minerals in this locality: 
AllaniteAmphiboleApatiteBaryteCalciteChalcopyriteChloriteClayCopperCorundum
DiasporeEpidoteFeldsparMalachiteMarcasiteMicaMolybdeniteMonaziteNonePyrite
PyroxeneQuartzScapoliteSmectite-vermiculiteSphaleriteSpinelTalcTourmalineZircon

35 IMA Minerals at location:
Actinolite  (*)Albite  (*)Allanite-(Ce)  (*)Baryte  (*)Bornite  (*)
Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chamosite  (*)Diopside  (*)
Dravite  (*)Ferro-actinolite  (*)Ferro-hornblende  (*)Fluorapatite  (*)Goethite  (*)
Gold  (*)Hematite  (*)Magnesio-hornblende  (*)Magnetite  (*)Malachite  (*)
Marcasite  (*)Meionite  (*)Microcline  (*)Molybdenite  (*)Monazite-(Ce)  (*)
Phlogopite  (*)Pyrite  (*)Quartz  (*)Schorl  (*)Sphalerite  (*)
Synchysite-(Ce)  (*)Talc  (*)Tremolite  (*)Vermiculite  (*)Zircon  (*)
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)21600100012487373419
Albite  (*)FeldsparNa(AlSi3O8)160010002248734,2487358803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)160010003248735,248737,248738706
Baryte  (*)BaryteBa(SO4)16001000124873911547
Bornite  (*)NoneCu5FeS41600100012487395516
Calcite  (*)CalciteCa(CO3)160010005248734,248737,248738,248739,24874127770
Chalcocite  (*)NoneCu2S1600100012487395707
Chalcopyrite  (*)ChalcopyriteCuFeS2160010002248737,24873827198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8160010001248737577
Diopside  (*)PyroxeneCaMgSi2O6160010003248734,248735,2487374135
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)160010003248737,248738,248740648
Ferro-actinolite  (*)Amphibole   Ca2(Mg2.5-0.0Fe2+2.5-5.0)Si8O22(OH)2160010001248737129
Ferro-hornblende  (*)Amphibole   Ca2(Fe2+4Al)(Si7Al)O22(OH)2160010000271
Fluorapatite  (*)ApatiteCa5(PO4)3F160010003248737,248738,2487402740
Goethite  (*)DiasporeFeO(OH)160010003248737,248738,2487407437
Gold  (*)CopperAu160010002248737,24873830554
Hematite  (*)CorundumFe2O316001000124873614640
Magnesio-hornblende  (*)Amphibole   Ca2(Mg4Al)(Si7Al)O22(OH)2160010000238
Magnetite  (*)SpinelFe2+Fe3+2O4160010003248737,248739,24874114899
Malachite  (*)MalachiteCu2(CO3)(OH)216001000124873712537
Marcasite  (*)MarcasiteFeS2160010002248737,2487385674
Meionite  (*)ScapoliteCa4Al6Si6O24(CO3)160010002248734,248735176
Microcline  (*)FeldsparK(AlSi3O8)160010004248734,248735,248737,2487384924
Molybdenite  (*)MolybdeniteMoS21600100012487345800
Monazite-(Ce)  (*)MonaziteCe(PO4)160010001248739945
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2160010004248735,248737,248738,2487402273
Pyrite  (*)PyriteFeS2160010005248734,248737,248738,248740,24874139462
Quartz  (*)QuartzSiO2160010007248734,248735,248736,248737,248738,248739,24874061156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)1600100012487342705
Sphalerite  (*)SphaleriteZnS160010003248737,248738,24874121482
Synchysite-(Ce)  (*)NoneCaCe(CO3)2F160010002248737,248738232
Talc  (*)Clay TalcMg3Si4O10(OH)2160010002248737,2487383337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2160010002248734,2487372562
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O160010001248737652
Zircon  (*)ZirconZr(SiO4)1600100012487375251


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
sedexmvt-0023216001000Mesoproterozoic host rock age      23993Pierrepont, St. Lawrence Co., New York, USAPierrepontTaylor et al. (2009) USGSOFR2009_1297 

SampleSource LocalityReference URL
R050172Pierrepont, St. Lawrence Co., New York, USAhttps://rruff.info/R050172

All locality data graciously provided by mindat.org

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