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:
Middleton-in-Teesdale, Co. Durham, England, UK


mindat Locality ID: 49400
mindat URL: http://www.mindat.org/loc-49400.html

Tectonic Settings:

Total number of sublocalities beneath "Middleton-in-Teesdale, Co. Durham, England, UK": 10
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Bowlees Quarry
Coldberry Mines
High Skears Mine
Hudeshope Head Mine
Lodgesike Mine
Low Skears Mine
Marlbeck Mine
Racketgill Vein
Snaisgill Mine

Latitude: 54°39'5"N
Longitude: 2°5'30"W
Decimal Degree (lat, lon): 54.651388888889,-2.0916666666667

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 Ba C Ca F Fe H Ni O Pb S Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AragoniteBaryteCalciteClayDiasporeFluoriteKaoliniteMilleriteNonePyrite
QuartzRocksaltSphalerite

13 IMA Minerals at location:
Ankerite  (*)Aragonite  (*)Baryte  (*)Calcite  (*)Fluorite  (*)
Galena  (*)Goethite  (*)Kaolinite  (*)Millerite  (*)Pyrite  (*)
Quartz  (*)Siderite  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211170753092
Aragonite  (*)AragoniteCa(CO3)11170773250
Baryte  (*)BaryteBa(SO4)111707911547
Calcite  (*)CalciteCa(CO3)3117070,117072,11707827770
Fluorite  (*)FluoriteCaF29117071,117072,117073,117074,117075,117076,117077,117078,1170799617
Galena  (*)RocksaltPbS7117071,117072,117073,117075,117076,117078,11707924243
Goethite  (*)DiasporeFeO(OH)11170777437
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)411170725591
Millerite  (*)MilleriteNiS11170721066
Pyrite  (*)PyriteFeS2111707539462
Quartz  (*)QuartzSiO28117071,117072,117073,117074,117075,117076,117077,11707861156
Siderite  (*)CalciteFe(CO3)3117072,117076,1170796417
Sphalerite  (*)SphaleriteZnS3117071,117072,11707521482



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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