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:
Eustis Mine (Crown Mine; Hartford Mine; Lower Canada Mine; Orford Mine), Hatley, Memphrémagog RCM, Estrie, Québec, Canada

Oldest recorded age at locality: 470
Youngest recorded age at locality: 470

mindat Locality ID: 156937
mindat URL: http://www.mindat.org/loc-156937.html

Tectonic Settings: Oceanic Arc (Subduction)

Total number of sublocalities beneath "Eustis Mine (Crown Mine; Hartford Mine; Lower Canada Mine; Orford Mine), Hatley, Memphrémagog RCM, Estrie, Québec, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 45°19'9"N
Longitude: 71°55'13"W
Decimal Degree (lat, lon): 45.319166666667,-71.920277777778
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 As C Ca Cu Fe H Mg Na O P Pb S Sb Si Ti Zn 

Elements from minerals reported directly at this locality: Al As C Ca Cu Fe H Mg Na O P Pb S Sb Si Ti Zn 

Structural Groups for minerals in this locality: 
AmphiboleArsenopyriteBrochantiteCalciteChalcopyriteClayClinozoisiteCubaniteEpidoteFeldspar
MarcasiteNickelineNonePyriteQuartzRocksaltRutileSerpentineSphaleriteTetrahedrite
TitaniteVivianiteWurtzite

22 IMA Minerals at location:
Albite  (*)Amesite  (*)Ankerite  (*)Anthophyllite  (*)Arsenopyrite  (*)
Brochantite  (*)Calcite  (*)Chalcopyrite  (*)Cubanite  (*)Epidote  (*)
Galena  (*)Marcasite  (*)Posnjakite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)Rutile  (*)Sphalerite  (*)Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)
Titanite  (*)Vivianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)47047008803
Amesite  (*)Clay SerpentineMg2Al(AlSiO5)(OH)4470470074
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)247047003092
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)24704700718
Arsenopyrite  (*)ArsenopyriteFeAsS47047009052
Brochantite  (*)BrochantiteCu4(SO4)(OH)647047001633
Calcite  (*)CalciteCa(CO3)470470027770
Chalcopyrite  (*)ChalcopyriteCuFeS2470470027198
Cubanite  (*)Cubanite WurtziteCuFe2S34704700802
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)47047008173
Galena  (*)RocksaltPbS470470024243
Marcasite  (*)MarcasiteFeS247047005674
Posnjakite  (*)NoneCu4(SO4)(OH)6·H2O4704700309
Pyrite  (*)PyriteFeS2470470039462
Pyrrhotite  (*)NickelineFe7S847047009056
Quartz  (*)QuartzSiO2470470061156
Rutile  (*)RutileTiO247047005614
Sphalerite  (*)SphaleriteZnS470470021482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1347047001803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1347047005317
Titanite  (*)TitaniteCaTi(SiO4)O47047004899
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O4704700636


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
vms-00302470470Ordovician       S156937Eustis Mine (Crown Mine; Hartford Mine; Lower Canada Mine; Orford Mine), Hatley, Memphrémagog RCM, Estrie, Québec, CanadaEustisMoiser et al. (2009) USGSOFR2009_1034 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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