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Wheal Muttrall, Wheal Gorland, St Day, Cornwall, England, UK

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Latitude & Longitude (WGS84): 50° 14' 27'' North , 5° 11' 7'' West
Latitude & Longitude (decimal): 50.24087,-5.18536
UK National Grid Reference:SW729426
Other regions containing this locality:Devon and Cornwall metalliferous mining district, England, UK
Köppen climate type:Cfb : Temperate oceanic climate

The following is written by a.K. Hamilton Jenkin regarding Wheal Muttrall (also spelt Muttrell):

"During the 1790's the northern part of Wheal Gorland had been worked under a separate grant known as Wheal Muttrall. Through being connected to the County Adit, here about 50 fathoms below surface, no engine was required and £1249 worth of copper ore was sold by the little mine beteen 1795-8. The lode, however, was chiefly productive of tin and when subsequently merged with Wheal Gorland was developed to an inclined depth of 126 fathoms."

The grid reference approximately marks the site of Muttrall's Shaft.

Edit by Dale Foster

Mineral List

19 valid minerals.


Geologic TimeRocks, Minerals and Events
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
ⓘ 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

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Permian - Carboniferous
252.17 - 358.9 Ma

ID: 2027949
Unnamed Igneous Intrusion, Carboniferous To Permian

Age: Paleozoic (252.17 - 358.9 Ma)

Lithology: Felsic-rock

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on 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 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.


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Ref.: (in part): Dana 6: 853; Embrey & Symes, 1987, 111 - "Minerals of Cornwall and Devon"; Golley & Williams, 1995, 16 - "Cornish Mineral Reference Manual".

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