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:
Line Pit (Lowe's Chromite Mine), Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA

Oldest recorded age at locality: 510
Youngest recorded age at locality: 470

mindat Locality ID: 57558
mindat URL: http://www.mindat.org/loc-57558.html

Tectonic Settings: Oceanic Arc (Subduction)

Total number of sublocalities beneath "Line Pit (Lowe's Chromite Mine), Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°43'15"N
Longitude: 76°10'18"W
Decimal Degree (lat, lon): 39.720833333333,-76.171666666667
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 As B C Ca Cr Fe H Mg Na Ni O S Si 

Elements from minerals reported directly at this locality: Al As B C Ca Cr Fe H Mg Na Ni O S Si 

Structural Groups for minerals in this locality: 
BruciteCalciteChloriteClayHydrotalciteMicaMilleriteNoneOlivinePyrite
QuartzSerpentineSpinelTalcTourmaline

18 IMA Minerals at location:
Antigorite  (*)Brucite  (*)Chromite  (*)Chrysotile  (*)Clinochlore  (*)
Dravite  (*)Forsterite  (*)Heazlewoodite  (*)Hydromagnesite  (*)Magnesiochromite  (*)
Magnesite  (*)Margarite  (*)Maucherite  (*)Millerite  (*)Pyrite  (*)
Pyroaurite  (*)Quartz  (*)Talc  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)45104700708
Brucite  (*)BruciteMg(OH)25104700462
Chromite  (*)SpinelFe2+Cr2O451047003902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)45104700951
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)851047001756
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)5104700648
Forsterite  (*)OlivineMg2(SiO4)51047001188
Heazlewoodite  (*)NoneNi3S25104700205
Hydromagnesite  (*)NoneMg5(CO3)4(OH)2·4H2O5104700341
Magnesiochromite  (*)SpinelMgCr2O45104700311
Magnesite  (*)CalciteMg(CO3)51047001487
Margarite  (*)Mica ClayCaAl2Si2Al2O10(OH)25104700168
Maucherite  (*)NoneNi11As85104700161
Millerite  (*)MilleriteNiS51047001066
Pyrite  (*)PyriteFeS2510470039462
Pyroaurite  (*)HydrotalciteMg6Fe3+2(CO3)(OH)16·4H2O510470089
Quartz  (*)QuartzSiO2510470061156
Talc  (*)Clay TalcMg3Si4O10(OH)251047003337


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
podchrome-00490510470Lower Ordovician (490±20 Ma)       Cr57558Line Pit (Lowe's Chromite Mine), Fulton Township, State Line Chromite District, Lancaster Co., Pennsylvania, USALine PitMoiser et al. (2012) USGSSIR2012_5157 

All locality data graciously provided by mindat.org

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