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:
Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA


mindat Locality ID: 4081
mindat URL: http://www.mindat.org/loc-4081.html

Tectonic Settings:

Total number of sublocalities beneath "Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Wood's Chrome Mine (Wood's Mine)

Latitude: 39°43'54"N
Longitude: 76°6'23"W
Decimal Degree (lat, lon): 39.731666666667,-76.106388888889
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 C Ca Cr F Fe H Mg Na Ni O P S Si Ti 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousAragoniteBruciteCalciteChloriteClayCorrensiteCorundumGarnetHydrotalcite
MilleriteNoneOlivinePyritePyroxeneQuartzSerpentineSpinelVesuvianite

27 IMA Minerals at location:
Antigorite  (*)Aragonite  (*)Brucite  (*)Cacoxenite  (*)Calcite  (*)
Chromite  (*)Chrysotile  (*)Clinochlore  (*)Dolomite  (*)Dozyite  (*)
Enstatite  (*)Forsterite  (*)Hematite  (*)Hydromagnesite  (*)Ilmenite  (*)
Lizardite  (*)Magnesiochromite  (*)Magnesite  (*)Magnetite  (*)Maucherite  (*)
Millerite  (*)Pyrite  (*)Pyroaurite  (*)Quartz  (*)Uvarovite  (*)
Vesuvianite  (*)Zaratite  (*)
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)41263025708
Aragonite  (*)AragoniteCa(CO3)12630253250
Brucite  (*)BruciteMg(OH)21263025462
Cacoxenite  (*)NoneFe3+24AlO6(PO4)17(OH)12·75H2O1263025280
Calcite  (*)CalciteCa(CO3)126302527770
Chromite  (*)SpinelFe2+Cr2O412630253902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)41263025951
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)812630251756
Dolomite  (*)NoneCaMg(CO3)212630259895
Dozyite  (*)Corrensite ClayMg7Al2(Si4Al2)O15(OH)1212630253
Enstatite  (*)PyroxeneMg2Si2O61263025944
Forsterite  (*)OlivineMg2(SiO4)12630251188
Hematite  (*)CorundumFe2O3126302514640
Hydromagnesite  (*)NoneMg5(CO3)4(OH)2·4H2O1263025341
Ilmenite  (*)CorundumFe2+Ti4+O312630255433
Lizardite  (*)Serpentine ClayMg3Si2O5(OH)41263025359
Magnesiochromite  (*)SpinelMgCr2O41263025311
Magnesite  (*)CalciteMg(CO3)12630251487
Magnetite  (*)SpinelFe2+Fe3+2O4126302514899
Maucherite  (*)NoneNi11As81263025161
Millerite  (*)MilleriteNiS12630251066
Pyrite  (*)PyriteFeS2126302539462
Pyroaurite  (*)HydrotalciteMg6Fe3+2(CO3)(OH)16·4H2O126302589
Quartz  (*)QuartzSiO2126302561156
Uvarovite  (*)GarnetCa3Cr2(SiO4)31263025212
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1012630251395
Zaratite  (*)AmorphousNi3(CO3)(OH)4·4H2O126302556


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R050455Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USAhttps://rruff.info/R050455
R070228Wood's Chrome Mine (Wood's Mine), Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USAhttps://rruff.info/R070228
R100040Wood's Chrome Mine (Wood's Mine), Texas, Little Britain Township, State Line Chromite District, Lancaster Co., Pennsylvania, USAhttps://rruff.info/R100040

All locality data graciously provided by mindat.org

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