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:
Kennack, Grade-Ruan, Cornwall, England, UK


mindat Locality ID: 1353
mindat URL: http://www.mindat.org/loc-1353.html

Tectonic Settings:

Total number of sublocalities beneath "Kennack, Grade-Ruan, Cornwall, England, UK": 5
Total number of bottom-level sublocalities: 4

Number of Child Localities: 2
Child Localities:
Gwendreath Quarry
Kennack Cove (Kennack Sands)

Latitude: 50°0'26"N
Longitude: 5°9'36"W
Decimal Degree (lat, lon): 50.007222222222,-5.16

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 Ca Cr Cu F Fe H Mg Mn Na O S Si Zn 

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

Structural Groups for minerals in this locality: 
AmphiboleCalciteClayCopperCorundumGarnetNonePyritePyroxeneQuartz
SepioliteSerpentineSmectite-vermiculiteSpinelTalcVesuvianite

21 IMA Minerals at location:
Ankerite  (*)Anthophyllite  (*)Antigorite  (*)Calcite  (*)Chromite  (*)
Chrysotile  (*)Copper  (*)Diopside  (*)Dolomite  (*)Grossular  (*)
Hematite  (*)Hetaerolite  (*)Lizardite  (*)Magnetite  (*)Pyrite  (*)
Quartz  (*)Saponite  (*)Sepiolite  (*)Siderite  (*)Talc  (*)
Vesuvianite  (*)
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)211175823092
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)22117581,117584718
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)41117584708
Calcite  (*)CalciteCa(CO3)2117582,11758427770
Chromite  (*)SpinelFe2+Cr2O403902
Chrysotile  (*)Serpentine ClayMg3Si2O5(OH)43117580,117582,117584951
Copper  (*)CopperCu11175843846
Diopside  (*)PyroxeneCaMgSi2O611175824135
Dolomite  (*)NoneCaMg(CO3)211175829895
Grossular  (*)GarnetCa3Al2(SiO4)311175821544
Hematite  (*)CorundumFe2O3014640
Hetaerolite  (*)SpinelZnMn3+2O4111758273
Lizardite  (*)Serpentine ClayMg3Si2O5(OH)43117580,117582,117584359
Magnetite  (*)SpinelFe2+Fe3+2O42117583,11758414899
Pyrite  (*)PyriteFeS2111758439462
Quartz  (*)QuartzSiO2061156
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O2117581,117583301
Sepiolite  (*)Sepiolite ClayMg4Si6O15(OH)2·6H2O2117582,117584241
Siderite  (*)CalciteFe(CO3)06417
Talc  (*)Clay TalcMg3Si4O10(OH)24117581,117582,117583,1175843337
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)1011175821395



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...