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:
Prince Georges Co., Maryland, USA


mindat Locality ID: 106853
mindat URL: http://www.mindat.org/loc-106853.html

Tectonic Settings:

Total number of sublocalities beneath "Prince Georges Co., Maryland, USA": 39
Total number of bottom-level sublocalities: 37

Number of Child Localities: 37
Child Localities:
Allan Ore Banks
Ashland Ore Bank
Bladensburg
Bowie Operating Corporation Clay Pit
Buck Ore Bank
California Ore Banks
Capitol Clay Products Company (West Brothers Brick Company)
Collington
Donaldson Ore Banks
Dower House Road Plant
Duvall Ore Banks
Fort Foote
Fort Washington
Friel Ore Bank
Green Ore Banks
Greenbelt
Haker Ore Bank
Hedgman Ore Banks Prospect
Hooff Ore Bank
John Sadilek Ore Banks
Jones Ore Bank
Joseph Sadilek Ore Bank
Kirwan Ore Bank
Mason Ore Banks
Milbrook Ore Bank
Muirkirk Pit (Maryland Clay Products)
Nicholson Ore Bank
Northwest Contee Ore Banks
O'Brien Ore Banks
Oxon Hill
Prince Georges Mall
Reed Ore Bank
Roberts Ore Bank
Shriver Ore Bank
Skaggs Ore Bank
Swampoodle Ore Banks
Tyson Ore Banks

Latitude: 39°0'19"N
Longitude: 76°52'50"W
Decimal Degree (lat, lon): 39.005277777778,-76.880555555556
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 Fe H K O P S Si 

Elements from minerals reported directly at this locality: Fe S 

Structural Groups for minerals in this locality: 
AluniteCalciteClayCorundumGypsumKaoliniteLipscombiteMarcasiteNonePhosphosiderite
PyriteQuartzRockbridgeiteVivianite

14 IMA Minerals at location:
Cacoxenite  (*)Felsőbányaite  (*)Gypsum  (*)Hematite  (*)Jarosite  (*)
Kaolinite  (*)Lipscombite  (*)Marcasite  (*)Phosphosiderite  (*)Pyrite  (*)
Quartz  (*)Rockbridgeite  (*)Siderite  (*)Vivianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Cacoxenite  (*)NoneFe3+24AlO6(PO4)17(OH)12·75H2O1218987280
Felsőbányaite  (*)NoneAl4(SO4)(OH)10·4H2O121898366
Gypsum  (*)GypsumCa(SO4)·2H2O4218983,218984,218997,2190026890
Hematite  (*)CorundumFe2O33218973,218997,21900314640
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)612189842228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)412189835591
Lipscombite  (*)LipscombiteFe2+Fe3+2(PO4)2(OH)2121898747
Marcasite  (*)MarcasiteFeS23218973,218997,2190035674
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O1218987182
Pyrite  (*)PyriteFeS2039462
Quartz  (*)QuartzSiO22218997,21900361156
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)51218987206
Siderite  (*)CalciteFe(CO3)3218973,218997,2190036417
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O1219002636


No ages have been assigned to this locality yet.
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