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Treburland Mine, Altarnun, Liskeard District, Cornwall, England, UK

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Latitude & Longitude (WGS84): 50° 35' 14'' North , 4° 29' 39'' West
Latitude & Longitude (decimal): 50.58738,-4.49438
GeoHash:G#: gbuzc9pkc
Other regions containing this locality:Devon and Cornwall metalliferous mining district, England, UK
Köppen climate type:Cfb : Temperate oceanic climate


An old tin mine lying to the south of the River Lynher, also known variously as Wheal Flop and Wheal Annie.

It is recorded that the granite at this locality is traversed by a number of greisenised joints. Some of these joints show quartz infill with variable quantities of cassiterite, wolframite and 'mispickel' - whether this is arsenopyrite or löllingite is not specified.

Three of these veins were sufficiently mineralised to be known as North Lode, Flop Lode and South Lode.

The early output of the mine appears to be somewhat incomplete.

The mine was re-worked in the first world war but only yielded 55 hundredweight of wolfram concentrate. Further working took place during the second world war yielding 2000 tons of ore, of this figure some 1600 tons was selected and processed at the Prince of Wales mill.

These workings should not be confused with the Treburland Manganese Deposits which lie to the east of this mine.


Mineral List


1 valid mineral.

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

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 Macrostrat.org

Namurian - Famennian
315 - 372.2 Ma



ID: 2035762
Teign Valley Group

Age: Paleozoic (315 - 372.2 Ma)

Stratigraphic Name: Teign Valley Group

Lithology: Mudstone, siltstone and sandstone

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

Early Carboniferous
323.2 - 358.9 Ma



ID: 3192903
Paleozoic sedimentary rocks

Age: Mississippian (323.2 - 358.9 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Ordovician
443.8 - 485.4 Ma



ID: 3151916
Ordovician granite

Age: Ordovician (443.8 - 485.4 Ma)

Lithology: Granite group

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

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



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