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:
Franklin Co., North Carolina, USA

Oldest recorded age at locality: 326
Youngest recorded age at locality: 290.73

mindat Locality ID: 29125
mindat URL: http://www.mindat.org/loc-29125.html

Tectonic Settings:

Total number of sublocalities beneath "Franklin Co., North Carolina, USA": 11
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Alston Mine
Castalia Quarry
Centerville
Franklinton
Gully Mine
J. F. Mitchell Deposit
Old Cardinal Gem Mine
Portis Mine (C. M. Wright Mine)
Van Alston Deposit

Latitude: 36°7'40"N
Longitude: 78°18'23"W
Decimal Degree (lat, lon): 36.127777777778,-78.306388888889
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 Be C Ca Cu Fe H K Mg O S Si Ti 

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

Structural Groups for minerals in this locality: 
AmphiboleBerylChalcopyriteClayClinozoisiteCopperCorundumDiamondEpidoteFeldspar
GarnetKaoliniteMicaNickelineNoneNot in a structural groupPyriteQuartzRutileSpinel
Staurolite

19 IMA Minerals at location:
Actinolite  (*)Almandine  (*)Beryl  (*)Chalcopyrite  (*)Corundum  (*)
Diamond  (*)Epidote  (*)Gold  (*)Ilmenite  (*)Kaolinite  (*)
Kyanite  (*)Magnetite  (*)Microcline  (*)Muscovite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Rutile  (*)Staurolite  (*)
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)2326290.7303419
Almandine  (*)GarnetFe2+3Al2(SiO4)3326290.7302353
Beryl  (*)BerylBe3Al2Si6O1812505584286
Chalcopyrite  (*)ChalcopyriteCuFeS2125056727198
Corundum  (*)CorundumAl2O312505661797
Diamond  (*)DiamondC1250567697
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12505678173
Gold  (*)CopperAu125056730554
Ilmenite  (*)CorundumFe2+Ti4+O312505675433
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)412505675591
Kyanite  (*)Not in a structural groupAl2OSiO4326290.7301507
Magnetite  (*)SpinelFe2+Fe3+2O4125056714899
Microcline  (*)FeldsparK(AlSi3O8)326290.7312505594924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)25250558,250564,250565,250567,25056817380
Pyrite  (*)PyriteFeS2125056739462
Pyrrhotite  (*)NickelineFe7S812505679056
Quartz  (*)QuartzSiO2326290.736250558,250559,250561,250564,250567,25056861156
Rutile  (*)RutileTiO212505675614
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)326290.730978


6 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
USGS-Rb-Sr-02256315.33303.33309.33±6Rb-Srage of intrusionwhole rock     250207Castalia Quarry, Franklin Co., North Carolina, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-02257290.73290.73290.73Rb-Srminimum age of intrusionwhole rock     250207Castalia Quarry, Franklin Co., North Carolina, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-02258315.33303.33309.33±6Rb-Srage of intrusionwhole rock     250207Castalia Quarry, Franklin Co., North Carolina, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-02259315.33303.33309.33±6Rb-Srage of intrusionwhole rock     250207Castalia Quarry, Franklin Co., North Carolina, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-02260315.33303.33309.33±6Rb-Srage of intrusionwhole rock     250207Castalia Quarry, Franklin Co., North Carolina, USA USGS-Rb-Sr USGS-Rb-Sr 
USGS-Rb-Sr-02978326300313±13Rb-Srage of intrusionwhole rock     250207Castalia Quarry, Franklin Co., North Carolina, USA USGS-Rb-Sr USGS-Rb-Sr 

SampleSource LocalityReference URL

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