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:
Arm O'Grain, Coombe Height, Mungrisdale, Eden, Cumbria, England, UK

Oldest recorded age at locality: 245
Youngest recorded age at locality: 235

mindat Locality ID: 1419
mindat URL: http://www.mindat.org/loc-1419.html

Tectonic Settings:

Total number of sublocalities beneath "Arm O'Grain, Coombe Height, Mungrisdale, Eden, Cumbria, England, UK": 0
Total number of bottom-level sublocalities: 0

Latitude: 54°41'23"N
Longitude: 3°3'40"W
Decimal Degree (lat, lon): 54.689722222222,-3.0611111111111

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 Ba C Cl Cu Fe H K Mn Mo O P Pb S Sb Si V 

Elements from minerals reported directly at this locality: Al As Ba C Cl Cu Fe H K Mn Mo O P Pb S Sb Si V 

Structural Groups for minerals in this locality: 
AdeliteAluniteApatiteAragoniteBaryteDescloiziteDiasporeFeldsparMalachiteNone
PyrochloreQuartzRocksaltRutileScheelite

17 IMA Minerals at location:
Baryte  (*)Beudantite  (*)Bindheimite  (*)Cerussite  (*)Duftite  (*)
Galena  (*)Goethite  (*)Malachite  (*)Microcline  (*)Mimetite  (*)
Mottramite  (*)Orthoclase  (*)Plumbogummite  (*)Pyrolusite  (*)Quartz  (*)
Vanadinite  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Baryte  (*)BaryteBa(SO4)245235011547
Beudantite  (*)AlunitePbFe3+3(AsO4)(SO4)(OH)62452350413
Bindheimite  (*)PyrochlorePb2Sb5+2O72452350450
Cerussite  (*)AragonitePb(CO3)24523504979
Duftite  (*)AdelitePbCu(AsO4)(OH)2452350220
Galena  (*)RocksaltPbS245235024243
Goethite  (*)DiasporeFeO(OH)24523507437
Malachite  (*)MalachiteCu2(CO3)(OH)2245235012537
Microcline  (*)FeldsparK(AlSi3O8)24523504924
Mimetite  (*)ApatitePb5(AsO4)3Cl24523501107
Mottramite  (*)DescloizitePbCu(VO4)(OH)2452350362
Orthoclase  (*)FeldsparK(AlSi3O8)24523502349
Plumbogummite  (*)AlunitePbAl3(PO4)(PO3OH)(OH)62452350170
Pyrolusite  (*)RutileMnO224523503106
Quartz  (*)QuartzSiO2245235061156
Vanadinite  (*)ApatitePb5(VO4)3Cl2452350605
Wulfenite  (*)ScheelitePbMoO424523501655



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
JGS171_49_001245235245-235paleomagage of hematite deposit   YesHematite 25832Cumbria, England, UKCumbriaCrowley et al. (2014) JGS171_49 


SampleSource LocalityReference URL


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