Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Wheal Rib, Porthleven, Cornwall, England, UKi
Regional Level Types
Wheal RibMine
PorthlevenCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 5' 57'' North , 5° 19' 32'' West
Latitude & Longitude (decimal):
50.09917,-5.32556
GeoHash:
G#: gbujnb60c
GRN:
N34W03
UK National Grid Reference:
SW622275
Type:
Mine
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Breage471 (2017)1.2km
Porthleven3,059 (2017)1.6km
Helston12,184 (2017)4.0km
Germoe175 (2017)4.2km
Leedstown267 (2017)7.1km
Mindat Locality ID:
34694
Long-form identifier:
mindat:1:2:34694:1
GUID (UUID V4):
0


A small copper mine, which produced 263 tons of copper during its short period of activity from 1837 to 1847. Located 1 mile N of Porthleven.

List of minerals for each chemical element

Geochronology

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
ⓘ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
ⓘ Greisenization (latest age)~280 MaCornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
ⓘ Formation of metallized pegmatites~285 MaCornwall, England, UK
ⓘ Greisenization (earliest age)~285 MaCornwall, England, UK
ⓘ Emplacement of major plutons~295 MaCornwall, England, UK

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Atkinson, Barry (1994) Mining Sites in Cornwall, Volume 2. Dyllansow Truran. 61 pp.
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