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:
Silver Valley Mine (Spring Valley Mine), Silver Valley, Cid District, Carolina Slate Belt, Davidson Co., North Carolina, USA

Oldest recorded age at locality: 590
Youngest recorded age at locality: 520

mindat Locality ID: 23018
mindat URL: http://www.mindat.org/loc-23018.html

Tectonic Settings:

Total number of sublocalities beneath "Silver Valley Mine (Spring Valley Mine), Silver Valley, Cid District, Carolina Slate Belt, Davidson Co., North Carolina, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 35°44'0"N
Longitude: 80°6'"W
Decimal Degree (lat, lon): 35.733333333333,-80.1
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 Au C Ca Cl Cu Fe H K Mg O P Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: Ag Al Au C Ca Cl Cu Fe H K Mg O P Pb S Sb Si Zn 

Structural Groups for minerals in this locality: 
AmphiboleApatiteAragoniteCalciteChalcopyriteClayCopperCovelliteMalachiteMica
NonePyriteQuartzRocksaltSphaleriteTetrahedrite

17 IMA Minerals at location:
Calcite  (*)Cerussite  (*)Chalcocite  (*)Chalcopyrite  (*)Covellite  (*)
Freibergite  (*)Galena  (*)Gold  (*)Malachite  (*)Muscovite  (*)
Pyrite  (*)Pyromorphite  (*)Quartz  (*)Siderite  (*)Silver  (*)
Sphalerite  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)590520027770
Cerussite  (*)AragonitePb(CO3)59052004979
Chalcocite  (*)NoneCu2S59052005707
Chalcopyrite  (*)ChalcopyriteCuFeS2590520027198
Covellite  (*)CovelliteCuS59052004165
Freibergite  (*)TetrahedriteAg6[Cu4Fe2]Sb4S125905200663
Galena  (*)RocksaltPbS590520024243
Gold  (*)CopperAu590520030554
Malachite  (*)MalachiteCu2(CO3)(OH)2590520012537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2590520017380
Pyrite  (*)PyriteFeS2590520039462
Pyromorphite  (*)ApatitePb5(PO4)3Cl59052001725
Quartz  (*)QuartzSiO2590520061156
Siderite  (*)CalciteFe(CO3)59052006417
Silver  (*)CopperAg59052005186
Sphalerite  (*)SphaleriteZnS590520021482
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)259052002562


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
Giersdorf_00000247590520590-520     Yes  102615Carolina Slate Belt, Davidson Co., North Carolina, USACarolina Slate BeltStein et al. (1997) MDRE_313Metavolcanic andesites and rhyolites with which the Au mines in the area are in contact.

All locality data graciously provided by mindat.org

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