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:
Glades, James River-Roanoke River Manganese District, Amherst Co., Virginia, USA


mindat Locality ID: 109027
mindat URL: http://www.mindat.org/loc-109027.html

Tectonic Settings:

Total number of sublocalities beneath "Glades, James River-Roanoke River Manganese District, Amherst Co., Virginia, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Christian Tract Mine (Buffalo Ridge Prospects; Dunlap Mine; Piedmont Copper Mines)
Folly Mine (Buffalo Ridge Prospects; Folley Mine; Piedmont Copper Mines)

Latitude: 37°32'11"N
Longitude: 78°59'21"W
Decimal Degree (lat, lon): 37.536388888889,-78.989166666667
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 C Ca Cu Fe H Mg O S Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleChalcopyriteClayCorundumCovelliteMalachiteNoneQuartzTalc

11 IMA Minerals at location:
Actinolite  (*)Bornite  (*)Chalcocite  (*)Chalcopyrite  (*)Chrysocolla  (*)
Covellite  (*)Ilmenite  (*)Malachite  (*)Quartz  (*)Talc  (*)
Tremolite  (*)
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)22279590,2795913419
Bornite  (*)NoneCu5FeS42279590,2795915516
Chalcocite  (*)NoneCu2S2279590,2795915707
Chalcopyrite  (*)ChalcopyriteCuFeS22279590,27959127198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O2279590,2795913531
Covellite  (*)CovelliteCuS2279590,2795914165
Ilmenite  (*)CorundumFe2+Ti4+O312795905433
Malachite  (*)MalachiteCu2(CO3)(OH)22279590,27959112537
Quartz  (*)QuartzSiO22279590,27959161156
Talc  (*)Clay TalcMg3Si4O10(OH)22279590,2795913337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)22279590,2795912562


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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