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:
James River-Roanoke River Mn-Fe-Ba District, Pittsylvania Co., Virginia, USA


mindat Locality ID: 105412
mindat URL: http://www.mindat.org/loc-105412.html

Tectonic Settings:

Total number of sublocalities beneath "James River-Roanoke River Mn-Fe-Ba District, Pittsylvania Co., Virginia, USA": 9
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Arthur Barite Mine
Berger Barite Mine
Hamner Mine
Hurt Barite Prospects
Hutter Mine (Herter Magnetite Mine)
Mease Barite Mine
Myers Hematite Mine
Ridgeway Hematite Mine (Treadway)
Tom Wright Barite Mine

Latitude: 37°14'29"N
Longitude: 79°26'28"W
Decimal Degree (lat, lon): 37.241388888889,-79.441111111111
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 Ba C Ca Cu Fe H K Mg Mn O Pb S Si Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleBaryteCalciteChalcopyriteClayCorundumDiasporeGarnetHumiteMalachite
MicaNickelineNoneNot in a structural groupOlivinePyriteQuartzRocksaltSphaleriteSpinel

34 IMA Minerals at location:
Alabandite  (*)Alleghanyite  (*)Almandine  (*)Baryte  (*)Barytocalcite  (*)
Calcite  (*)Chalcopyrite  (*)Fayalite  (*)Ferro-tschermakite  (*)Galaxite  (*)
Galena  (*)Goethite  (*)Graphite  (*)Hausmannite  (*)Hematite  (*)
Ilmenite  (*)Jacobsite  (*)Kinoshitalite  (*)Kutnohorite  (*)Magnetite  (*)
Malachite  (*)Manganhumite  (*)Manganosite  (*)Muscovite  (*)Pyrite  (*)
Pyrophanite  (*)Pyrrhotite  (*)Quartz  (*)Rhodochrosite  (*)Sillimanite  (*)
Sonolite  (*)Spessartine  (*)Sphalerite  (*)Tephroite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alabandite  (*)RocksaltMnS1282234312
Alleghanyite  (*)HumiteMn2+5(SiO4)2(OH)2128223477
Almandine  (*)GarnetFe2+3Al2(SiO4)312822342353
Baryte  (*)BaryteBa(SO4)7282230,282231,282232,282233,282234,282235,28223811547
Barytocalcite  (*)NoneBaCa(CO3)2128223483
Calcite  (*)CalciteCa(CO3)128223427770
Chalcopyrite  (*)ChalcopyriteCuFeS2128223227198
Fayalite  (*)OlivineFe2+2(SiO4)1282234371
Ferro-tschermakite  (*)Amphibole   Ca2(Fe2+3Al2)(Si6Al2)O22(OH)2128223427
Galaxite  (*)SpinelMn2+Al2O4128223443
Galena  (*)RocksaltPbS128223424243
Goethite  (*)DiasporeFeO(OH)2282236,2822377437
Graphite  (*)NoneC12822342812
Hausmannite  (*)SpinelMn2+Mn3+2O41282234350
Hematite  (*)CorundumFe2O33282234,282236,28223714640
Ilmenite  (*)CorundumFe2+Ti4+O312822345433
Jacobsite  (*)SpinelMn2+Fe3+2O41282234172
Kinoshitalite  (*)Mica ClayBaMg3(Si2Al2O10)(OH)2128223420
Kutnohorite  (*)NoneCaMn2+(CO3)21282234234
Magnetite  (*)SpinelFe2+Fe3+2O42282232,28223414899
Malachite  (*)MalachiteCu2(CO3)(OH)2128223212537
Manganhumite  (*)HumiteMn2+7(SiO4)3(OH)2128223414
Manganosite  (*)RocksaltMnO128223473
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)23282230,282233,28223817380
Pyrite  (*)PyriteFeS22282232,28223439462
Pyrophanite  (*)CorundumMn2+TiO31282234244
Pyrrhotite  (*)NickelineFe7S812822349056
Quartz  (*)QuartzSiO2128223461156
Rhodochrosite  (*)CalciteMn(CO3)12822341711
Sillimanite  (*)Not in a structural groupAl2SiO512822341516
Sonolite  (*)HumiteMn2+9(SiO4)4(OH)2128223450
Spessartine  (*)GarnetMn2+3Al2(SiO4)312822341214
Sphalerite  (*)SphaleriteZnS128223421482
Tephroite  (*)OlivineMn2+2(SiO4)1282234240


No ages have been assigned to this locality yet.
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All locality data graciously provided by mindat.org

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