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:
Scott Mine, Nottingham, West Nottingham Township, State Line Chromite District, Chester Co., Pennsylvania, USA

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

mindat Locality ID: 21615
mindat URL: http://www.mindat.org/loc-21615.html

Tectonic Settings: Oceanic Arc (Subduction)

Total number of sublocalities beneath "Scott Mine, Nottingham, West Nottingham Township, State Line Chromite District, Chester Co., Pennsylvania, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°44'26"N
Longitude: 76°2'31"W
Decimal Degree (lat, lon): 39.740555555556,-76.041944444444

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 Cr Fe H Mg O Si 

Elements from minerals reported directly at this locality: Al C Cr Fe H Mg O Si 

Structural Groups for minerals in this locality: 
CalciteChloriteClayNoneQuartzSpinelTalc

5 IMA Minerals at location:
Chromite  (*)Clinochlore  (*)Magnesite  (*)Quartz  (*)Talc  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chromite  (*)SpinelFe2+Cr2O451047003902
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)851047001756
Magnesite  (*)CalciteMg(CO3)51047001487
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-00492510470Lower Ordovician (490±20 Ma)       Cr21615Scott Mine, Nottingham, West Nottingham Township, State Line Chromite District, Chester Co., Pennsylvania, USAScottMoiser et al. (2012) USGSSIR2012_5157 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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