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:
Valzinco Mine (Halladay Mine; Holloday Mine; Panaminus Mine), Gold-Pyrite Belt, Spotsylvania Co., Virginia, USA

Oldest recorded age at locality: 550
Youngest recorded age at locality: 550

mindat Locality ID: 105063
mindat URL: http://www.mindat.org/loc-105063.html

Tectonic Settings: Continental Arc

Total number of sublocalities beneath "Valzinco Mine (Halladay Mine; Holloday Mine; Panaminus Mine), Gold-Pyrite Belt, Spotsylvania Co., Virginia, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°10'34"N
Longitude: 77°47'51"W
Decimal Degree (lat, lon): 38.176111111111,-77.7975
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: Ag Al C Cu Fe H K O Pb S Si Zn 

Elements from minerals reported directly at this locality: Ag Al C Cu Fe H K O Pb S Si Zn 

Structural Groups for minerals in this locality: 
CalciteChalcopyriteClayCopiapiteCopperMicaNickelineNonePyriteQuartz
RocksaltSphaleriteSpinelStaurolite

12 IMA Minerals at location:
Chalcopyrite  (*)Copiapite  (*)Galena  (*)Magnetite  (*)Muscovite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Siderite  (*)Silver  (*)
Sphalerite  (*)Staurolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chalcopyrite  (*)ChalcopyriteCuFeS2550550027198
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O5505500382
Galena  (*)RocksaltPbS550550024243
Magnetite  (*)SpinelFe2+Fe3+2O4550550014899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2550550017380
Pyrite  (*)PyriteFeS2550550039462
Pyrrhotite  (*)NickelineFe7S855055009056
Quartz  (*)QuartzSiO2550550061156
Siderite  (*)CalciteFe(CO3)55055006417
Silver  (*)CopperAg55055005186
Sphalerite  (*)SphaleriteZnS550550021482
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)5505500978


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-01076550550Cambrian       S105063Valzinco Mine (Halladay Mine; Holloday Mine; Panaminus Mine), Gold-Pyrite Belt, Spotsylvania Co., Virginia, USAValzincoMoiser et al. (2009) USGSOFR2009_1034 

All locality data graciously provided by mindat.org

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