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:
Logan Rock, Treen, St Levan, Cornwall, England, UK

Oldest recorded age at locality: 0
Youngest recorded age at locality: 0

mindat Locality ID: 1016
mindat URL: http://www.mindat.org/loc-1016.html

Tectonic Settings:

Total number of sublocalities beneath "Logan Rock, Treen, St Levan, Cornwall, England, UK": 0
Total number of bottom-level sublocalities: 0

Latitude: 50°2'25"N
Longitude: 5°38'14"W
Decimal Degree (lat, lon): 50.040277777778,-5.6372222222222

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 B Fe H Na O Si 

Elements from minerals reported directly at this locality: Al B Fe H Na O Si 

Structural Groups for minerals in this locality: 
NoneTourmaline

1 IMA Minerals at location:
Schorl  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)0002705



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_751Near Porthcurno and Porthchapel, St. Levan. Pigotite occurs as a biomineral in granitic caves/fissures as a result of organic acids from seeping vegetation combined with aluminum derived from feldspar.


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
Michelle_75100Recent Age of pigotitehigh   YesPigotite 1389Cripp's Cove, Treen, St Levan, Cornwall, England, UKCripp's CoveCreighton (1894) GM1_223Pigotite occurs as a biomineral in granitic caves/fissures as a result of organic acids from seeping vegetation combined with aluminum derived from feldspar.


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...