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Tregrehan Mine, St Austell, Cornwall, England, UKi
Regional Level Types
Tregrehan MineMine (Abandoned)
St AustellTown
CornwallCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84):
50° 20' 39'' North , 4° 45' 23'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SX039531
Type:
Mine (Abandoned) - last checked 2020
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
St Austell25,447 (2017)1.3km
Par9,462 (2015)3.9km
Luxulian388 (2017)5.2km
Bugle2,873 (2017)6.3km
Mevagissey2,117 (2017)8.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
British Micromount Society, Devon and Cornwall Branch MeetingsLiskeard, Cornwall24km
Mindat Locality ID:
221810
Long-form identifier:
mindat:1:2:221810:9
GUID (UUID V4):
07fa0bee-b948-44b0-9e94-eb1476755773


Also called Upper Tregrehan Mine as the name Tregrehan was also used in the latter workings of New Wheal Eliza.

An adit from the valley near Boscoppa Farm explores three lodes, on one of which a shaft was sunk to the 20-fm level. 16 tons black tin in 1889-93 and 1909-11

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


1 valid mineral.

Detailed Mineral List:

Cassiterite
Formula: SnO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2

List of minerals for each chemical element

OOxygen
O CassiteriteSnO2
SnTin
Sn CassiteriteSnO2

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


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.
 
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